98 results on '"Rosner, Bernard A."'
Search Results
2. Active and Passive Smoking in Breast Cancer: Prospective Results from the Nurses' Health Study
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Egan, Kathleen M., Stampfer, Meir J., Hunter, David, Hankinson, Susan, Rosner, Bernard A., Holmes, Michelle, Willett, Walter C., and Colditz, Graham A.
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- 2002
3. Validity and Reproducibility of a Semiquantitative Food Frequency Questionnaire for Measuring Intakes of Foods and Food Groups.
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Gu, Xiao, Wang, Dong D, Sampson, Laura, Barnett, Junaidah B, Rimm, Eric B, Stampfer, Meir J, Djousse, Luc, Rosner, Bernard, and Willett, Walter C
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STATISTICS ,RESEARCH evaluation ,FOOD consumption ,FOOD diaries ,QUESTIONNAIRES ,RESEARCH funding ,DESCRIPTIVE statistics ,INTRACLASS correlation ,FOOD chemistry ,DATA analysis ,LONGITUDINAL method ,EVALUATION - Abstract
We evaluated the validity and reproducibility of a semiquantitative food frequency questionnaire (FFQ) for measuring intakes of 149 foods and 25 food groups among 736 participants of the Women's Lifestyle Validation Study (WLVS, 2010–2012) and 649 participants of the Men's Lifestyle Validation Study (MLVS, 2011–2013). Validity of the FFQ compared with two 7-day dietary records measured 6 months apart and the reproducibility between 2 FFQs administered 1 year apart (FFQ1 and FFQ2) were assessed using Spearman correlations and intraclass correlation coefficients. The average 1-year reproducibility of FFQ-measured foods was 0.64 in both the WLVS and MLVS. Reproducibility of the food groups (mean = 0.71 among women and 0.72 among men) was generally higher than that for individual foods. Among women, the average validity correlation for individual foods was 0.59 when comparing FFQ2 with the 7-day dietary records. Among men, the corresponding average validity correlation was 0.61. Compared with individual foods, food groups had slightly higher validity correlations in both women (range, 0.45–0.92; mean = 0.61) and men (range, 0.46–0.88; mean = 0.65). This study reaffirms that the FFQ performs well in measuring most foods and food groups and provides data to adjust for measurement errors in epidemiologic studies of foods and food groups. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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4. A Prospective Study of Vitamin Supplement Intake and Cataract Extraction among U.S. Women
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Chasan-Taber, Lisa, Willett, Walter C., Seddon, Johanna M., Stampfer, Meir J., Rosner, Bernard, Colditz, Graham A., and Hankinson, Susan E.
- Published
- 1999
5. Exposure to Particulate Matter Air Pollution and Age of Menarche in a Nationwide Cohort of U.S. Girls.
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Hood, Robert B., Hart, Jaime E., Laden, Francine, Rosner, Bernard, Chavarro, Jorge E., and Gaskins, Audrey J.
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AMERICAN women ,PARTICULATE matter ,LIFESTYLES ,CONFIDENCE intervals ,AGE distribution ,SELF-evaluation ,MENARCHE ,PEARSON correlation (Statistics) ,DESCRIPTIVE statistics ,RESEARCH funding ,QUESTIONNAIRES ,ENVIRONMENTAL exposure ,PROPORTIONAL hazards models ,LONGITUDINAL method - Abstract
BACKGROUND: It remains unclear whether in utero and childhood exposure to air pollution affects pubertal development, particularly age of menarche in girls. OBJECTIVE: The aim of this study was to determine whether residential ambient particulate matter (PM) exposure in utero and during childhood is associated with age of menarche. METHODS: We studied 5,201 girls in the Growing Up Today Study 2 (2004-present) who were 10-17 y of age at enrollment (47.7% premenarchal; 52.3% postmenarchal). Exposure to three size fractions of PM [fine PM with aerodynamic diameter ≤ 2.5 μm (PM
2.5 ), PM with aerodynamic diameters between 2.5 μm and 10 μm (PM2.5-10 ), and PM with aerodynamic diameter 10 μm (PM10 )] was assigned based on maternal residential address, updated every 2 y, using nationwide spatiotemporal models. We estimated average PM exposure in utero, and time-varying windows: annual average exposure in the prior 1 and 2 y and cumulative average from birth. Age of menarche was self-reported on three surveys administered in 2004, 2006, and 2008. We calculated hazard ratios (HR) for menarche for an interquartile range (IQR) increase in PM exposure using Cox proportional hazard models adjusting for potential confounders. RESULTS: Girls attained menarche at 12.3 y of age on average. In the adjusted model, higher residential exposure to ambient PM2.5 during all time windows was associated with earlier age of menarche. The HRs of menarche for each IQR (4 μg/m³) increase in exposure to PM2.5 during the in utero period, 1 y prior to menarche, and throughout childhood were 1.03 [95% confidence interval (CI): 1.00, 1.06], 1.06 (95% CI: 1.02, 1.10) and 1.06 (95% CI: 1.02, 1.10), respectively. Effect estimates for PM10 exposure were similar, albeit attenuated, for all time windows. PM2.5-10 exposure was not associated with age of menarche. DISCUSSION: Among a large, nationwide, prospective cohort of U.S. girls, higher exposure to PM2.5 and PM10 in utero and throughout childhood was associated with an earlier age of menarche. Our results suggest that PM2.5 and PM10 may have endocrine-disrupting properties that could lead to altered timing of menarche. [ABSTRACT FROM AUTHOR]- Published
- 2023
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6. Application of the Rosner–Wei risk-prediction model to estimate sexual orientation patterns in colon cancer risk in a prospective cohort of US women
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Austin, S. Bryn, Pazaris, Mathew J., Wei, Esther K., Rosner, Bernard, Kennedy, Grace A., Bowen, Deborah, and Spiegelman, Donna
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- 2014
7. Cereal fiber and coronary heart disease: a comparison of modeling approaches for repeated dietary measurements, intermediate outcomes, and long follow-up
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Bernstein, Adam M., Rosner, Bernard A., and Willett, Walter C.
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- 2011
8. Intake of fiber and nuts during adolescence and incidence of proliferative benign breast disease
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Su, Xuefen, Tamimi, Rulla M., Collins, Laura C., Baer, Heather J., Cho, Eunyoung, Sampson, Laura, Willett, Walter C., Schnitt, Stuart J., Connolly, James L., Rosner, Bernard A., and Colditz, Graham A.
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- 2010
9. Physical Activity and Premenopausal Breast Cancer: An Examination of Recall and Selection Bias
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Maruti, Sonia S., Willett, Walter C., Feskanich, Diane, Levine, Beverly, Rosner, Bernard, and Colditz, Graham A.
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- 2009
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10. Caffeinated and Alcoholic Beverage Intake in Relation to Ovulatory Disorder Infertility
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Chavarro, Jorge E., Rich-Edwards, Janet W., Rosner, Bernard A., and Willett, Walter C.
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- 2009
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11. Insulinemic potential of diet and risk of total and subtypes of breast cancer among US females.
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Romanos-Nanclares, Andrea, Tabung, Fred K, Willett, Walter C, Rosner, Bernard, Holmes, Michelle D, Chen, Wendy Y, Tamimi, Rulla M, and Eliassen, A Heather
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BREAST tumor risk factors ,NUTRITIONAL assessment ,CONFIDENCE intervals ,ONCOGENES ,HYPERINSULINISM ,DISEASE incidence ,RISK assessment ,ESTROGEN receptors ,QUESTIONNAIRES ,LONGITUDINAL method ,INSULIN resistance ,DISEASE complications - Abstract
Background Insulin resistance and hyperinsulinemia play important roles in the progression of multiple chronic disease and conditions. Diet modulates insulin response; however, evidence is limited regarding whether diets with higher insulinemic potential increase the risk of invasive breast cancer. Objectives We aimed to prospectively evaluate the association between a food-based empirical dietary index for hyperinsulinemia (EDIH) and the incidence of invasive breast cancer. Methods We prospectively followed 76,686 women from the Nurses' Health Study (NHS; 1984–2016) and 93,287 women from the Nurses' Health Study II (NHSII; 1991–2017). Diet was assessed by food-frequency questionnaires every 4 y. The insulinemic potential of diet was evaluated using the previously established EDIH based on circulating C-peptide concentrations. Higher scores indicate higher insulinemic potential of the diet. Covariates included reproductive, hormonal, and anthropometric factors (height and BMI at age 18 y); race; socioeconomic status; total alcohol intake; total caloric intake; and physical activity. Results During 4,216,106 person-years of follow-up, we documented 10,602 breast cancer cases (6689 NHS, 3913 NHSII). In the pooled multivariable-adjusted analyses, women in the highest, compared with the lowest, EDIH quintile (Q) were at higher breast cancer risk (HR
Q5 vs. Q1 = 1.15; 95% CI: 1.07, 1.24; P -trend < 0.01). Although heterogeneity by estrogen receptor (ER) status was nonsignificant, the strongest association between EDIH and breast cancer was observed for ER-negative tumors (HRQ5 vs. Q1 = 1.21; 95% CI: 1.00, 1.46; P -trend = 0.02). Among tumor molecular subtypes, the strongest associations were observed for human epidermal growth factor receptor 2 (HER2)–enriched tumors (HRQ5 vs. Q1 = 1.62; 95% CI: 1.01, 2.61; P -trend = 0.02). Conclusions A dietary pattern contributing to hyperinsulinemia and insulin resistance was associated with greater breast cancer risk, especially ER-negative and HER2-enriched tumors. Our findings suggest that dietary modifications to reduce insulinemic potential may reduce the risk of breast cancer. [ABSTRACT FROM AUTHOR]- Published
- 2022
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12. Breastfeeding during Infancy and the Risk of Cardiovascular Disease in Adulthood
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Rich-Edwards, Janet W., Stampfer, Meir J., Manson, JoAnn E., Rosner, Bernard, Hu, Frank B., Michels, Karin B., and Willett, Walter C.
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- 2004
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13. Dietary Fat Intake And Risk Of Stroke In Male Us Healthcare Professionals: 14 Year Prospective Cohort Study
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He, Ka, Merchant, Anwar, Rimm, Eric B., Rosner, Bernard A., Stampfer, Meir J., Willett, Walter C., and Ascherio, Alberto
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- 2003
14. Recall and Selection Bias in Reporting Past Alcohol Consumption among Breast Cancer Cases
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Giovannucci, Edward, Stampfer, Meir J., Colditz, Graham A., Manson, JoAnn E., Rosner, Bernard A., Longnecker, Matthew P., Speizer, Frank E., and Willett, Walter C.
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- 1993
15. Type of Postmenopausal Hormone Use and Risk of Breast Cancer: 12-Year Follow-up from the Nurses' Health Study
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Colditz, Graham A., Stampfer, Meir J., Willett, Walter C., Hunter, David J., Manson, JoAnn E., Hennekens, Charles H., Rosner, Bernard A., and Speizer, Frank E.
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- 1992
16. Parental Age at Birth and Risk of Breast Cancer in Daughters: A Prospective Study among US Women
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Colditz, Graham A., Willett, Walter C., Stampfer, Meir J., Hennekens, Charles H., Rosner, Bernard, and Speizer, Frank E.
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- 1991
17. A Prospective Study of Body Mass, Height, and Smoking on the Risk of Colorectal Cancer in Women
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Chute, Christopher G., Willett, Walter C., Colditz, Graham A., Stampfer, Meir J., Baron, John A., Rosner, Bernard, and Speizer, Frank E.
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- 1991
18. Pre-pregnancy fat intake in relation to hypertensive disorders of pregnancy.
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Arvizu, Mariel, Minguez-Alarcon, Lidia, Wang, Siwen, Mitsunami, Makiko, Stuart, Jennifer J, Rich-Edwards, Janet W, Rosner, Bernard, and Chavarro, Jorge E
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HYPERTENSION in pregnancy ,RELATIVE medical risk ,CONFIDENCE intervals ,SELF-evaluation ,REGRESSION analysis ,RISK assessment ,PREECLAMPSIA ,QUESTIONNAIRES ,DESCRIPTIVE statistics ,OMEGA-3 fatty acids ,DIETARY fats ,DISEASE risk factors - Abstract
Background Many studies have linked intakes of fat and of specific fatty acids during pregnancy with preeclampsia; however, information on the association of intake before pregnancy with hypertensive disorders of pregnancy (HDP) is scant. Objectives We evaluated the associations of intakes of major and specific types of fat before pregnancy with the risks of HDP, including preeclampsia and gestational hypertension (GHTN). Methods We followed 11,535 women without chronic disease participating in the Nurses' Health Study II from 1991 and 2009. Pre-pregnancy dietary fat was assessed by an FFQ. Intakes of total fat, saturated fat, trans fatty acid (TFA), MUFAs, PUFAs, and fat subtypes (omega-3 and omega-6) were categorized into quintiles of intake. HDP were self-reported. The RRs (95% CIs) of HDP were estimated by log-binomial generalized estimating equation regression models, with an exchangeable correlation matrix to account for repeated pregnancies while adjusting for potential confounders. Results During 19 years of follow-up, there were 495 cases of preeclampsia (2.9%) and 561 (3.3%) cases of GHTN in 16,892 singleton pregnancies. The mean age at pregnancy was 34.6 years (SD, 3.9 years). Among major fat types, only pre-pregnancy TFA was related to a higher risk of HDP (RR, 1.32; 95% CI: 1.05–1.66), and only for preeclampsia (RR, 1.50; 95% CI: 1.07–2.10) but not for GHTN (RR, 1.21; 95% CI: 0.87–1.70). Among specific types of PUFAs, intake of arachidonic acid was positively related with GHTN (RR, 1.43; 95% CI: 1.00–2.04) but not preeclampsia (RR, 1.08; 95% CI: 0.75–1.57). In analyses restricted to pregnancies 1 year after the diet assessment, women with the highest intake of long-chain omega-3 fatty acids had a 31% lower risk of HDP (95% CI: 3%–51%), which was driven by preeclampsia (RR, 0.55; 95% CI: 0.33–0.92). Conclusions Pre-pregnancy intakes of total fat, saturated fat, and MUFA were unrelated to HDP, whereas TFA was positively related to HDP. These findings highlight the importance of ongoing efforts to eliminate TFA from the global food supply. [ABSTRACT FROM AUTHOR]
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- 2022
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19. Dietary quality and risk of heart failure in men.
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Gu, Xiao, Wang, Dong D, Fung, Teresa T, Mozaffarian, Dariush, Djoussé, Luc, Rosner, Bernard, Sacks, Frank M, and Willett, Walter C
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HEART failure risk factors ,MEN'S health ,CONFIDENCE intervals ,DIET ,ACQUISITION of data ,RISK assessment ,MEDICAL records ,QUESTIONNAIRES ,DESCRIPTIVE statistics ,FOOD quality ,STROKE volume (Cardiac output) ,PROPORTIONAL hazards models - Abstract
Background Due to the increasing disease burden, strategies to predict and prevent heart failure (HF) are urgently needed. Objective We aimed to investigate whether the Alternative Healthy Eating Index (AHEI) and the clinically abbreviated Prime Diet Quality Score (PDQS) are associated with the risk of overall HF, HF with preserved ejection fraction (HFpEF), and HF with reduced ejection fraction (HFrEF). Methods Our study included 44,525 men from the Health Professionals Follow-up Study (HPFS) who were free from cardiovascular disease and cancer at baseline. The AHEI and PDQS were computed based on dietary data repeatedly measured using semiquantitative FFQs. HF, HFpEF, and HFrEF were adjudicated based on review of medical records through 2008. Associations of diet quality with incident HF were estimated with multivariate-adjusted Cox proportional hazards models. Results During 929,911 person-years of follow-up, 803 HF cases were documented, including 184 with HFpEF and 181 with HFrEF among those with ejection fraction (EF) data. Adjusting for potential confounders, we did not observe a significant association between the AHEI and overall HF (HR
per SD : 0.96; 95% CI: 0.89, 1.04; P -trend = 0.57) or between the PDQS and overall HF (HRper SD : 0.98; 95% CI: 0.91, 1.06; P -trend = 0.82). Both dietary indices were not significantly associated with HFpEF. However, a higher AHEI was associated with lower risk of HFrEF upon comparison of the extreme quintiles (HRper SD : 0.81; 95% CI: 0.69, 0.96; P -trend = 0.02). Every SD increment in the PDQS was associated with 20% lower risk of HFrEF (HRper SD : 0.80; 95% CI: 0.68, 0.95; P -quadratic = 0.03). Conclusions A healthy overall diet was associated with lower risk of HFrEF, and associations were similar with the AHEI and PDQS. We did not observe a significant association between dietary indices and either overall HF or HFpEF. [ABSTRACT FROM AUTHOR]- Published
- 2022
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20. Frequent Nut Consumption and Risk of Coronary Heart Disease in Women: Prospective Cohort Study
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Hu, Frank B., Stampfer, Meir J., Manson, JoAnn E., Rimm, Eric B., Colditz, Graham A., Rosner, Bernard A., Speizer, Frank E., Hennekens, Charles H., and Willett, Walter C.
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- 1998
21. Birth Weight and Risk of Cardiovascular Disease in a Cohort of Women Followed up since 1976
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Rich-Edwards, Janet W., Stampfer, Meir J., Manson, JoAnn E., Rosner, Bernard, Hankinson, Susan E., Colditz, Graham A., Willett, Walter C., and Hennekens, Charles H.
- Published
- 1997
22. Dietary and Supplemental Vitamin C Intake and Risk of Breast Cancer: Results from the Nurses' Health Studies.
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Cadeau, Claire, Farvid, Maryam S, Rosner, Bernard A, Willett, Walter C, and Eliassen, A Heather
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VITAMIN C ,DISEASE risk factors ,BREAST cancer ,DIETARY supplements ,MENOPAUSE ,ESTROGEN receptors ,NURSES ,POSTMENOPAUSE ,VITAMINS ,QUESTIONNAIRES ,RESEARCH funding ,BREAST tumors ,LONGITUDINAL method - Abstract
Background: Some previous studies suggested that high supplemental vitamin C intake may be associated with an increased risk of breast cancer, although evidence is inconsistent.Objectives: Our objective was to study the association between vitamin C intake and breast cancer risks using regularly updated assessments of intake over a long follow-up.Methods: We prospectively followed 88,041 women aged 33 to 60 years from the Nurses' Health Study (1980-2014) and 93,372 women aged 26 to 45 years from the Nurses' Health Study II (1991-2013). A total of 11,258 incident invasive breast cancers among 181,413 women were diagnosed. Data on vitamin C intake were collected every 2-4 years via a validated FFQ and specific questions on dietary supplement use. Multivariate HRs and 95% CIs for incident invasive breast cancer were estimated with Cox models.Results: During follow-up, 82% of participants ever used supplements containing vitamin C, including multivitamins. Cumulative total vitamin C intake (HR for quintiles 5 compared with 1 = 0.97; 95% CI: 0.91-1.03; Ptrend = 0.81), dietary vitamin C intake (HR for quintiles 5 compared with 1 = 0.98; 95% CI: 0.92-1.04; Ptrend = 0.57), and supplemental vitamin C intake (HR for quintiles 5 compared with 1 in users = 1.02; 95% CI: 0.94-1.09; Ptrend = 0.77) were not associated with breast cancer risks. Results were unchanged when different exposure latencies were considered. The results did not differ by menopausal status, postmenopausal hormone therapy use, or BMI. No differences were observed by estrogen receptor status of the tumor.Conclusions: Our results do not support any important association between total, dietary, or supplemental vitamin C intake and breast cancer risks. [ABSTRACT FROM AUTHOR]- Published
- 2022
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23. Reproducibility and validity of diet quality scores derived from food-frequency questionnaires.
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Yue, Yiyang, Yuan, Changzheng, Wang, Dong D, Wang, Molin, Song, Mingyang, Shan, Zhilei, Hu, Frank, Rosner, Bernard, Smith-Warner, Stephanie A, and Willett, Walter C
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STATISTICS ,BIOMARKERS ,RESEARCH evaluation ,DIET ,QUESTIONNAIRES ,INTRACLASS correlation ,DESCRIPTIVE statistics ,FOOD quality ,DATA analysis ,FATTY acids ,EVALUATION - Abstract
Background Diet quality scores (DQSs) are frequently used to study diet–disease relations but the validity of these scores derived from FFQs has rarely been evaluated. Objectives To evaluate the validity and reproducibility of 6 commonly used DQSs derived from the FFQ, including the Alternate Healthy Eating Index–2010, Dietary Approaches to Stop Hypertension Trial score, alternative Mediterranean diet score, and 3 plant-based diet indices (overall, healthful, and unhealthful). Methods This analysis included 1394 participants from the Men's Lifestyle Validation Study (N = 652) and the Women's Lifestyle Validation Study (N = 742). Participants completed a 152-item FFQ at the beginning of the study and 1 y later, as well as completed 2 weighed 7-d dietary records (7DDRs) and donated 2 blood samples 6 mo apart between FFQ assessments. The reproducibility of the FFQs was evaluated by rank intraclass correlation coefficients (ICCs). The validity was assessed by comparing FFQ-derived DQSs with those from the average of two 7DDRs using Spearman rank correlation coefficients deattenuated for random measurement error in the 7DDRs (r
s ). Furthermore, we calculated the correlations between DQSs and plasma biomarkers of diet, including fatty acids, folate, carotenoids, retinol, and α- and γ-tocopherol. Results Six FFQ-derived DQSs demonstrated moderate to high reproducibility (energy-adjusted ICCs: 0.61–0.84) and validity (energy-adjusted, deattenuated rs = 0.56–0.80) in both men and women. We consistently observed expected correlations between FFQ-derived DQSs with plasma fatty acids, including long-chain n–3 (ω-3) and trans fatty acids, most carotenoids, and γ-tocopherol (rs > 0.2). Conclusions Our study demonstrates the validity of the FFQ to evaluate overall diet quality using 6 commonly used DQSs. In addition, these DQSs have qualitatively demonstrated biological relevance, as indicated by their correlations with circulating biomarkers. [ABSTRACT FROM AUTHOR]- Published
- 2022
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24. Long-term dietary protein intake and subjective cognitive decline in US men and women.
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Yeh, Tian-Shin, Yuan, Changzheng, Ascherio, Alberto, Rosner, Bernard A, Blacker, Deborah, and Willett, Walter C
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WOMEN'S health ,MEN'S health ,CONFIDENCE intervals ,POULTRY ,LEGUMES ,MULTIVARIATE analysis ,INGESTION ,REGRESSION analysis ,CARBOHYDRATE content of food ,FOOD animals ,PLANT proteins ,QUESTIONNAIRES ,FISHES ,COGNITIVE testing ,ODDS ratio ,DIETARY proteins ,POISSON distribution - Abstract
Background Diet is one of the modifiable risk factors for cognitive decline. However, studies on dietary protein intake and cognitive decline have remained limited and inconclusive. Objectives In this study, we aimed to investigate the associations between long-term dietary protein intake and subsequent subjective cognitive decline (SCD). Methods We included 49,493 women from the Nurses' Health Study (NHS) (1984–2006) and 27,842 men from the Health Professionals Follow-up Study (HPFS) (1986–2002). For the NHS, average dietary intake was calculated from 7 repeated semi-quantitative FFQs (SFFQs), and SCD was assessed in 2012 and 2014. For the HPFS, average dietary intake was calculated from 5 repeated SFFQs, and SCD was assessed in 2008 and 2012. Poisson regression was used to examine the associations between dietary protein, amino acids, and various protein food sources with subsequent SCD. Results Higher protein intake compared with total carbohydrates was associated with lower odds of SCD. When substituting 5% energy from protein for the equivalent percentage of energy from total carbohydrates, the pooled multivariable-adjusted ORs (95% CIs) were 0.89 (0.85, 0.94) for total protein, 0.89 (0.84, 0.94) for animal protein, and 0.74 (0.62, 0.88) for plant protein. When substituting 5% of energy from animal protein with plant protein, the OR was 0.84 (95% CI: 0.72, 0.97). For protein food sources, higher intakes of beans/legumes, fish, and lean poultry were significantly associated with lower odds of SCD, but higher intake of hotdogs was associated with higher odds of SCD. Conclusions Higher protein intake was associated with lower odds of SCD when compared isocalorically with carbohydrate. Plant protein sources were also associated with lower odds when compared with animal protein sources. Our findings suggest that adequate protein intake, and choices of protein sources could play a role in the maintenance of cognition and should be studied further. [ABSTRACT FROM AUTHOR]
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- 2022
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25. Types of carbohydrate intake and breast cancer survival.
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Farvid, Maryam S., Barnett, Junaidah B., Spence, Nicholas D., Rosner, Bernard A., and Holmes, Michelle D.
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SURVIVAL ,SUCROSE ,CONFIDENCE intervals ,VEGETABLES ,CARBOHYDRATE content of food ,INGESTION ,FRUCTOSE ,CANCER patients ,QUESTIONNAIRES ,DESCRIPTIVE statistics ,FRUIT ,BREAST tumors ,LONGITUDINAL method - Abstract
Objective: To investigate the associations of different types of carbohydrate intake after breast cancer diagnosis with breast cancer-specific and all-cause mortality. Methods: We prospectively assessed post-diagnostic intake of total sugar, added sugar, and natural sugar as well as carbohydrate from different sources, among 8932 women with stage I–III breast cancer that were identified in the Nurses' Health Study from 1980 to 2010 and Nurses' Health Study II from 1991 to 2011. Participants completed a validated food frequency questionnaire every four years after diagnosis and were followed up for death. Results: We prospectively documented 1071 deaths due to breast cancer and 2532 all-cause deaths, over a mean of 11.5 years of follow-up. After adjustment for confounding variables, greater post-diagnostic total sugar intake was suggestively associated with greater risk of breast cancer-specific mortality [hazard ratio (HR)
Q5vsQ1 = 1.16, 95% confidence interval (CI) = 0.95–1.41; Ptrend = 0.02] and significantly associated with greater risk of all-cause mortality (HRQ5vsQ1 = 1.23, 95% CI = 1.08–1.41; Ptrend = 0.0001). Greater post-diagnostic added sugar intake was significantly associated with greater risk of all-cause mortality (HRQ5vsQ1 = 1.20, 95% CI = 1.06–1.36; Ptrend = 0.001). Post-diagnostic natural sugar (occurring in foods and not added as an ingredient) intake was not associated with mortality risk. Greater post-diagnostic fructose intake was significantly associated with greater risk of breast cancer-specific mortality (HRQ5vsQ1 = 1.34, 95% CI = 1.10–1.64; Ptrend = 0.005) and all-cause mortality (HRQ5vsQ1 = 1.16, 95% CI = 1.02–1.32; Ptrend = 0.01). High post-diagnostic intake of sucrose was associated with higher risk of breast cancer-specific and all-cause mortality. Increased post-diagnostic intake of carbohydrate from fruit juice was significantly associated with higher risk of breast cancer-specific and all-cause mortality and carbohydrate from vegetables was significantly associated with lower risk of all-cause mortality. High post-diagnostic intake of carbohydrate from potatoes was suggestively associated with higher risk of breast cancer-specific mortality and carbohydrate from refined grains was suggestively associated with higher risk of all-cause mortality. Conclusions: We found that higher total sugar intake, especially added sugar, sucrose, and fructose, as well as carbohydrate from fruit juice after a breast cancer diagnosis were associated with poorer prognosis. High post-diagnostic intake of carbohydrate from vegetables was associated with reduced risk of mortality. [ABSTRACT FROM AUTHOR]- Published
- 2021
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26. Association of nut consumption with risk of total cancer and 5 specific cancers: evidence from 3 large prospective cohort studies.
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Fang, Zhe, Wu, You, Li, Yanping, Zhang, Xuehong, Willett, Walter C, Eliassen, A Heather, Rosner, Bernard, Song, Mingyang, Mucci, Lorelei A, and Giovannucci, Edward L
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TUMOR risk factors ,BREAST tumor risk factors ,BLADDER tumors ,CONFIDENCE intervals ,MULTIVARIATE analysis ,WALNUT ,INGESTION ,LUNG tumors ,COLORECTAL cancer ,QUESTIONNAIRES ,DESCRIPTIVE statistics ,PEANUTS ,NUTS ,PROSTATE tumors ,PROPORTIONAL hazards models ,DISEASE risk factors - Abstract
Background The associations between nut consumption and cancer risk have not been extensively investigated. Objectives We aimed to examine the associations between nut consumption, especially specific types of nuts (peanut, tree nut, walnut, and tree nut other than walnut), and cancer risk. Methods Nut consumption was assessed by FFQ at baseline and updated every 2–4 y in the Nurses' Health Study (1980–2014), the Nurses' Health Study II (1991–2015), and the Health Professionals Follow-up Study (1986–2018). We examined the associations between the intake of total and specific types of nuts and risk of total cancer and common cancers, including lung, colorectal, breast, bladder, and aggressive prostate cancer. Cox proportional-hazards models were used to obtain the HRs and 95% CIs in each cohort as well as pooled. Results During 5,873,671 person-years of follow-up in 180,832 women and 45,560 men, we documented 44,561 incident cancer cases. As compared with nonconsumers, the pooled multivariable HRs of total nut consumption for ≥5 times/wk were 0.99 (95% CI: 0.94, 1.04; P -trend = 0.54) for total cancer, 0.88 (95% CI: 0.74, 1.04; P -trend = 0.18) for lung cancer, 1.07 (95% CI: 0.92, 1.26; P -trend = 0.89) for colorectal cancer, 0.90 (95% CI: 0.71, 1.14; P -trend = 0.65) for bladder cancer, 0.96 (95% CI: 0.85, 1.08; P -trend = 0.36) for breast cancer, and 1.18 (95% CI: 0.92, 1.51; P -trend = 0.52) for aggressive prostate cancer Conclusions In 3 large prospective cohorts, frequent nut consumption was not associated with risk of total cancer and common individual cancers. [ABSTRACT FROM AUTHOR]
- Published
- 2021
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27. Reproducibility and Validity of a Semiquantitative Food Frequency Questionnaire in Men Assessed by Multiple Methods.
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Al-Shaar, Laila, Yuan, Changzheng, Rosner, Bernard, Dean, Stefanie B, Ivey, Kerry L, Clowry, Catherine M, Sampson, Laura A, Barnett, Junaidah B, Rood, Jennifer, Harnack, Lisa J, Block, Jason, Manson, JoAnn E, Stampfer, Meir J, Willett, Walter C, and Rimm, Eric B
- Subjects
BIOMARKERS ,NUTRITIONAL assessment ,MEN'S health ,RESEARCH evaluation ,RESEARCH methodology evaluation ,RESEARCH methodology ,INGESTION ,NUTRITIONAL requirements ,SODIUM content of food ,FOOD diaries ,COMPARATIVE studies ,QUESTIONNAIRES ,MICRONUTRIENTS ,DIETARY proteins - Abstract
Among 626 participants of the Men's Lifestyle Validation Study (2011–2013), we evaluated the validity and reproducibility of a self-administered 152-item semiquantitative food frequency questionnaire (SFFQ) using two 7-day dietary records (7DDRs), 4 Automated Self-Administered 24-hour dietary recalls (ASA24s), four 24-hour urine samples, 1 doubly labeled water measurement (repeated in 104 participants), and 2 fasting blood samples, collected over 15 months. Compared with 7DDRs, SFFQs underestimated energy intake, macronutrients, and sodium intake but overestimated some micronutrients. The mean of the Spearman correlation coefficients was 0.66 (range, 0.38–0.88) between 46 energy-adjusted nutrients estimated from 7DDRs and the final SFFQ, deattenuated for within-person variation in the 7DDRs. These deattenuated correlations were similar using ASA24s as the comparison. Relative to biomarkers, SFFQs underestimated energy, sodium, and protein intakes, as well as the sodium:potassium ratio. The energy-adjusted correlations between the final SFFQ and the biomarkers were slightly lower than the correlations between the SFFQ and 7DDRs. Using the method of triads to calculate validity coefficients, the median validity coefficient between SFFQ and true intake was 0.65 and 0.69 using 7DDRs and ASA24s, respectively, as the third method. These data indicate that this SFFQ provided reasonably valid estimates for a wide range of nutrients when evaluated by multiple comparison methods. [ABSTRACT FROM AUTHOR]
- Published
- 2021
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28. The associations between major dietary patterns and risk of periodontitis.
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Alhassani, Ahmed A., Hu, Frank B., Li, Yanping, Rosner, Bernard A., Willett, Walter C., and Joshipura, Kaumudi J.
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NUTRITION & oral health ,PERIODONTITIS ,FOOD habits ,DISEASE risk factors ,OVERWEIGHT persons ,DISEASE incidence ,CONFIDENCE intervals ,LONGITUDINAL method ,QUESTIONNAIRES ,SELF-evaluation ,PROPORTIONAL hazards models ,ODDS ratio ,WESTERN diet - Abstract
Aim: To prospectively investigate the associations between major dietary patterns and incidence of periodontitis. Methods: We included 34,940 men from the Health Professionals Follow‐Up Study, free of periodontal disease and major illnesses at baseline. Detailed medical and dental history was collected through biennial mailed questionnaires, and dietary information was provided through quadrennial food frequency questionnaires. Using principal component analysis, we identified two major dietary patterns ("prudent" and "Western"). We used Cox proportional hazard models to examine the associations between the two dietary patterns and self‐reported incidence of periodontitis over a 24‐year follow‐up period. We investigated each pattern separately. Results: There was no overall association between Western or prudent dietary patterns and periodontitis. Among obese, however, the Western dietary pattern was significantly associated with incident periodontitis. The hazard ratio for those in the highest quintile of Western diet versus those in the lowest (reference) was 1.83 (95% confidence interval: 1.21–2.76). Conclusions: There was no overall association between Western or prudent dietary patterns and periodontitis; however, in subgroups analysis, the Western diet was significantly associated with higher periodontitis risk only among obese men, a finding that requires replication and biological explication. [ABSTRACT FROM AUTHOR]
- Published
- 2021
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29. Association of Interactions Between Mammographic Density Phenotypes and Established Risk Factors With Breast Cancer Risk, by Tumor Subtype and Menopausal Status.
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Chen, Hongjie, Yaghjyan, Lusine, Li, Christopher, Peters, Ulrike, Rosner, Bernard, Lindström, Sara, and Tamimi, Rulla M
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BREAST tumor risk factors ,MAMMOGRAMS ,BREASTFEEDING ,CONFIDENCE intervals ,ESTROGEN receptors ,IMMUNOHISTOCHEMISTRY ,INFORMED consent (Medical law) ,LONGITUDINAL method ,MEDICAL records ,MENOPAUSE ,QUESTIONNAIRES ,REGRESSION analysis ,SMOKING ,T-test (Statistics) ,PHENOTYPES ,LOGISTIC regression analysis ,SAMPLE size (Statistics) ,STATISTICAL significance ,BODY mass index ,HUMAN research subjects ,PHYSICAL activity ,DATA analysis software ,MICROARRAY technology ,DESCRIPTIVE statistics ,ACQUISITION of data methodology ,ODDS ratio - Abstract
Previous studies suggest that the association between mammographic density (MD) and breast cancer risk might be modified by other breast cancer risk factors. In this study, we assessed multiplicative interactions between MD measures and established risk factors on the risk of invasive breast cancer overall and according to menopausal and estrogen receptor status. We used data on 2,137 cases and 4,346 controls from a nested case-control study within the Nurses' Health Study (1976–2004) and Nurses' Health Study II (1989–2007), whose data on percent mammographic density (PMD) and absolute area of dense tissue and nondense tissue (NDA) were available. No interaction remained statistically significant after adjusting for number of comparisons. For breast cancer overall, we observed nominally significant interactions (P < 0.05) between nulliparity and PMD/NDA, age at menarche and area of dense tissue, and body mass index and NDA. Individual nominally significant interactions across MD measures and risk factors were also observed in analyses stratified by either menopausal or estrogen receptor status. Our findings help provide further insights into potential mechanisms underlying the association between MD and breast cancer. [ABSTRACT FROM AUTHOR]
- Published
- 2021
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30. Dietary flavonoids and flavonoid-rich foods: validity and reproducibility of FFQ-derived intake estimates.
- Author
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Yue, Yiyang, Petimar, Joshua, Willett, Walter C, Smith-Warner, Stephanie A, Yuan, Changzheng, Rosato, Sinara, Sampson, Laura, Rosner, Bernard, Cassidy, Aedin, Rimm, Eric B, and Ivey, Kerry L
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FLAVONOIDS ,INTRACLASS correlation ,FOOD composition ,PROANTHOCYANIDINS ,FOOD diaries ,FLAVONES ,MEASUREMENT errors ,FLAVONOLS ,FOOD habits ,NONPARAMETRIC statistics ,RESEARCH ,NUTRITIONAL assessment ,RESEARCH evaluation ,RESEARCH methodology ,DIET ,MEDICAL cooperation ,EVALUATION research ,SURVEYS ,COMPARATIVE studies ,FOOD ,QUESTIONNAIRES ,RESEARCH funding ,STANDARDS - Abstract
Objective: To evaluate the validity and reproducibility of a 152-item semi-quantitative FFQ (SFFQ) for estimating flavonoid intakes.Design: Over a 1-year period, participants completed two SFFQ and two weighed 7-d dietary records (7DDR). Flavonoid intakes from the SFFQ were estimated separately using Harvard (SFFQHarvard) and Phenol-Explorer (SFFQPE) food composition databases. 7DDR flavonoid intakes were derived using the Phenol-Explorer database (7DDRPE). Validity was assessed using Spearman's rank correlation coefficients deattenuated for random measurement error (rs), and reproducibility was assessed using rank intraclass correlation coefficients.Setting: This validation study included primarily participants from two large observational cohort studies.Participants: Six hundred forty-one men and 724 women.Results: When compared with two 7DDRPE, the validity of total flavonoid intake assessed by SFFQPE was high for both men and women (rs = 0·77 and rs = 0·74, respectively). The rs for flavonoid subclasses ranged from 0·47 for flavones to 0·78 for anthocyanins in men and from 0·46 for flavonols to 0·77 for anthocyanins in women. We observed similarly moderate (0·4-0·7) to high (≥0·7) validity when using SFFQHarvard estimates, except for flavonesHarvard (rs = 0·25 for men and rs = 0·19 for women). The SFFQ demonstrated high reproducibility for total flavonoid and flavonoid subclass intake estimates when using either food composition database. The intraclass correlation coefficients ranged from 0·69 (flavonolsPE) to 0·80 (proanthocyanidinsPE) in men and from 0·67 (flavonolsPE) to 0·77 (flavan-3-ol monomersHarvard) in women.Conclusions: SFFQ-derived intakes of total flavonoids and flavonoid subclasses (except for flavones) are valid and reproducible for both men and women. [ABSTRACT FROM AUTHOR]- Published
- 2020
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31. Prospective study of a diabetes risk reduction diet and the risk of breast cancer.
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Kang, Jae H, Peng, Cheng, Rhee, Jinnie J, Farvid, Maryam S, Willett, Walter C, Hu, Frank B, Rosner, Bernard A, Tamimi, Rulla, and Eliassen, A Heather
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DIABETES prevention ,DIABETES risk factors ,DIET therapy for diabetes ,BREAST tumor risk factors ,BREAST tumors ,CONFIDENCE intervals ,INGESTION ,LONGITUDINAL method ,QUESTIONNAIRES ,UNSATURATED fatty acids ,SATURATED fatty acids ,PROPORTIONAL hazards models ,TISSUE arrays ,DESCRIPTIVE statistics - Abstract
Background Hyperinsulinemia and higher insulin-like growth factors may increase breast cancer risk. We evaluated a diabetes risk reduction diet (DRRD) and breast cancer risk. Objectives We prospectively evaluated the association between adherence to a DRRD and the incidence of breast cancer. Methods We followed 88,739 women from the Nurses' Health Study (NHS; 1980–2016) and 93,915 women from the NHSII (1991–2017). Incident breast cancer cases (n = 11,943) were confirmed with medical records, and subtypes were determined by tissue microarray data and pathology reports. Information on diet and breast cancer risk factors was repeatedly ascertained in follow-up questionnaires. A DRRD score was derived with 9 factors: lower glycemic index of diet; lower intakes of trans fat, sugar-sweetened beverages/fruit juices, and red/processed meat; higher intakes of cereal fiber, coffee, nuts, and whole fruits; and a higher ratio of polyunsaturated to saturated fat (score range: 9–45). Multivariable-adjusted hazard ratios (MVHRs) and 95% CIs were calculated with Cox proportional hazards models. Results Being in the highest compared with the lowest DRRD adherence quintile was associated with a modestly lower breast cancer risk (MVHR
Q5vsQ1 : 0.89; 95% CI: 0.84, 0.95; P -trend = 0.0002); this was attenuated after adjusting for weight change since age 18 y (MVHRQ5vsQ1 : 0.92; 95% CI: 0.87, 0.98; P -trend = 0.01). The inverse association was strongest among women with current BMI < 25 kg/m2 (MVHRQ5vsQ1 : 0.89; 95% CI: 0.81, 0.98; P -trend = 0.004; P -interaction = 0.04). Among tumor molecular subtypes, the strongest inverse association was observed with basal-type tumors (MVHRQ5vsQ1 : 0.67; 95% CI: 0.45, 1.01; P -trend = 0.04). Conclusions Greater DRRD-adherence was associated with lower breast cancer risk, likely mediated by less weight gain with a DRRD; however, independently of weight change, DRRD-adherence was modestly associated with lower breast cancer risk, particularly among lean women. [ABSTRACT FROM AUTHOR]- Published
- 2020
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32. Intake of whole grain foods and risk of type 2 diabetes: results from three prospective cohort studies.
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Yang Hu, Ming Ding, Sampson, Laura, Willett, Walter C., Manson, JoAnn E., Wang, Molin, Rosner, Bernard, Hu, Frank B., and Qi Sun
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COMPARATIVE studies ,CONFIDENCE intervals ,DOSE-response relationship in biochemistry ,GRAIN ,PATIENT aftercare ,INGESTION ,LONGITUDINAL method ,TYPE 2 diabetes ,QUESTIONNAIRES ,SELF-evaluation ,DESCRIPTIVE statistics ,ODDS ratio ,DISEASE risk factors - Published
- 2020
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33. Adolescent caffeine consumption and mammographic breast density in premenopausal women.
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Yaghjyan, Lusine, Colditz, Graham, Rosner, Bernard, Rich, Shannan, Egan, Kathleen, and Tamimi, Rulla M.
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BREAST tumor risk factors ,BREAST physiology ,MAMMOGRAMS ,CAFFEINE ,CONFIDENCE intervals ,DRINKING (Physiology) ,LONGITUDINAL method ,MULTIVARIATE analysis ,QUESTIONNAIRES ,REGRESSION analysis ,RISK assessment ,WOMEN'S health ,PHENOTYPES ,PERIMENOPAUSE ,BODY mass index ,ADOLESCENCE - Abstract
Purpose: Previous studies suggest that coffee and caffeine intake may be associated with reduced breast cancer risk. To date, there is limited and inconsistent epidemiologic evidence for associations of adolescent diet with mammographic breast density, a strong and consistent predictor of breast cancer. We investigated the association of adolescent caffeine intake with mammographic density in premenopausal women. Methods: This study included 751 cancer-free women within the Nurses' Health Study II cohort. Percent breast density (PD), absolute dense (DA) and non-dense areas (NDA) were measured from digitized film mammograms using a computer-assisted thresholding technique; all measures were square root-transformed. Energy-adjusted adolescent caffeine intake was estimated using the data from a food frequency questionnaire. Information regarding breast cancer risk factors was obtained from questionnaires closest to the mammogram date. We used generalized linear regression to quantify associations of caffeine intake with breast density measures. Results: In multivariable analyses, adolescent caffeine intake was not associated with any of the density phenotypes (caffeine 4th vs. 1st quartile: β = − 1.27, 95% CI − 4.62; 2.09, p-trend = 0.55 for percent density; β = − 0.21, 95% CI − 0.76, 0.34, p-trend = 0.65 for absolute dense area, and β = 0.23, 95% CI − 0.28, 0.74, p-trend = 0.50 for non-dense area). Additional adjustment of the models for body mass index at age 18 resulted in attenuation of the risk estimates. Conclusions: Our findings do not support the hypothesis that adolescent caffeine intake is associated with premenopausal mammographic breast density. [ABSTRACT FROM AUTHOR]
- Published
- 2020
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34. Sodium Intake during Pregnancy, but Not Other Diet Recommendations Aimed at Preventing Cardiovascular Disease, Is Positively Related to Risk of Hypertensive Disorders of Pregnancy.
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Arvizu, Mariel, Bjerregaard, Anne A, Madsen, Marie T B, Granström, Charlotta, Halldorsson, Thorhallur I, Olsen, Sjurdur F, Gaskins, Audrey J, Rich-Edwards, Janet W, Rosner, Bernard A, and Chavarro, Jorge E
- Subjects
PREECLAMPSIA ,DASH diet ,PREGNANCY ,CARDIOVASCULAR diseases ,PREGNANT women ,SODIUM ,CARDIOVASCULAR disease prevention ,HYPERTENSION in pregnancy ,RESEARCH ,RESEARCH methodology ,SODIUM content of food ,DIET ,EVALUATION research ,MEDICAL cooperation ,COMPARATIVE studies ,RESEARCH funding ,QUESTIONNAIRES - Abstract
Background: The role of diet on hypertensive disorders of pregnancy (HDPs), including preeclampsia and gestational hypertension (GHTN), remains unclear.Objectives: We evaluated whether adherence during pregnancy to dietary recommendations that reduce cardiovascular disease (CVD) in the general population is related to the risk of HDPs.Methods: We followed 66,651 singleton pregnancies from 62,774 women participating in the Danish National Birth Cohort. Diet was assessed during week of gestation 25 with an FFQ from which we created 2 dietary pattern scores: 1) AHA, based on the diet recommendations from the AHA 2020 Strategic Impact Goals; and 2) the Dietary Approaches to Stop Hypertension (DASH) diet. Cases of HDPs were identified through linkage with the Danish National Patient Registry. RRs and 95% CIs of HDPs were estimated by increasing quintiles of adherence to the AHA and DASH scores using log-Poisson regression models with generalized estimating equations-to account for repeated pregnancies per woman-while adjusting for potential confounders.Results: We identified 1809 cases of HDPs: n = 1310 preeclampsia (n = 300 severe preeclampsia) and n = 499 cases of GHTN. Greater adherence to AHA or DASH scores was not related to the risk of HDPs. However, when each component of the scores was separately evaluated, there were positive linear relations of sodium intake with HDPs (P-linearity < 0.01). Women with the highest sodium intake [median 3.70 g/d (range: 3.52, 7.52 g/d)] had 54% (95% CI:16%, 104%) higher risk of GHTN and 20% (95% CI:1%, 42%) higher risk of preeclampsia than women with the lowest intake [median 2.60 g/d (range: 0.83, 2.79 g/d)]. In addition, intake of whole grains was positively related to the risk of GHTN but not to preeclampsia ( P-heterogeneity = 0.002).Conclusion: Sodium intake during pregnancy, but no other diet recommendations to prevent CVD among nonpregnant adults, is positively related to the occurrence of HDPs among pregnant Danish women. [ABSTRACT FROM AUTHOR]- Published
- 2020
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35. Dairy fat intake and risk of type 2 diabetes in 3 cohorts of US men and women.
- Author
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Korat, Andres V Ardisson, Li, Yanping, Sacks, Frank, Rosner, Bernard, Willett, Walter C, Hu, Frank B, and Sun, Qi
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TYPE 2 diabetes prevention ,TYPE 2 diabetes risk factors ,DAIRY products ,DIET ,CARBOHYDRATE content of food ,FAT content of food ,INGESTION ,LONGITUDINAL method ,MEN'S health ,QUESTIONNAIRES ,RISK assessment ,SELF-evaluation ,WOMEN'S health ,PROPORTIONAL hazards models ,ODDS ratio - Abstract
Background Previous studies have examined dairy products with various fat contents in relation to type 2 diabetes (T2D) risk, although data regarding dairy fat intake per se are sparse. Objectives We aimed to evaluate the association between dairy fat intake and risk of T2D in 3 prospective cohorts. We also examined associations for isocalorically replacing dairy fat with other macronutrients. Methods We prospectively followed 41,808 men in the Health Professionals Follow-Up Study (HPFS; 1986–2012), 65,929 women in the Nurses' Health Study (NHS; 1984–2012), and 89,565 women in the NHS II (1991–2013). Diet was assessed quadrennially using validated FFQs. Fat intake from dairy products and other relevant sources was expressed as percentage of total energy. Self-reported incident T2D cases were confirmed using validated supplementary questionnaires. Time-dependent Cox proportional hazards regression was used to estimate the HR for dairy fat intake and T2D risk. Results During 4,219,457 person-years of follow-up, we documented 16,511 incident T2D cases. Dairy fat was not associated with risk of T2D when compared with calories from carbohydrates (HR for extreme quintiles: 0.98; 95% CI: 0.95, 1.02). Replacing 5% of calories from dairy fat with other sources of animal fat or carbohydrate from refined grains was associated with a 17% (HR: 1.17; 95% CI: 1.13, 1.21) and a 4% (HR: 1.04; 95% CI: 1.00, 1.08) higher risk of T2D, respectively. Conversely, a 5% calorie replacement with carbohydrate from whole grains was associated with a 7% lower risk of T2D (HR: 0.93; 95% CI: 0.88, 0.98). Conclusions Dairy fat intake was not associated with T2D risk in these cohort studies of US men and women when compared with calories from carbohydrate. Replacing dairy fat with carbohydrates from whole grains was associated with lower risk of T2D. Replacement with other animal fats or refined carbohydrates was associated with higher risk. [ABSTRACT FROM AUTHOR]
- Published
- 2019
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36. A Prospective Study of Reproductive History and Exogenous Estrogens on the Risk of Colorectal Cancer in Women
- Author
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Chute, Christopher G., Willett, Walter C., Colditz, Graham A., Stampfer, Meir J., Rosner, Bernard, and Speizer, Frank E.
- Published
- 1991
37. Reproductive Factors, Smoking, and the Risk for Rheumatoid Arthritis
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Avila, Mauricio Hernández, Liang, Matthew H., Willett, Walter C., Stampfer, Meir J., Colditz, Graham A., Rosner, Bernard, Roberts, W. Neal, Hennekens, Charles H., and Speizer, Frank E.
- Published
- 1990
38. Nutrient Intake And Cataract Extraction In Women: A Prospective Study
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Hankinson, Susan E., Stampfer, Meir J., Seddon, Johanna M., Colditz, Graham A., Rosner, Bernard, Speizer, Frank E., and Willett, Walter C.
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- 1992
39. A Prospective Study of Dairy-Food Intake and Early Menopause.
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Purdue-Smithe, Alexandra C, Whitcomb, Brian W, Manson, JoAnn E, Hankinson, Susan E, Rosner, Bernard A, Troy, Lisa M, and Bertone-Johnson, Elizabeth R
- Subjects
CONFIDENCE intervals ,DAIRY products ,FAT content of food ,INGESTION ,LONGITUDINAL method ,PREMATURE menopause ,QUESTIONNAIRES ,RISK management in business ,SMOKING ,PROPORTIONAL hazards models ,ODDS ratio - Abstract
Early natural menopause, the cessation of ovarian function prior to age 45 years, affects approximately 10% of women and increases risk of cardiovascular disease and other adverse conditions. Laboratory evidence suggests a potential role of dairy foods in the ovarian aging process; however, no prior epidemiologic studies have evaluated how dairy-food intake is associated with risk of early menopause. We therefore evaluated how intakes of total, low-fat, high-fat, and individual dairy foods were associated with early menopause in Nurses' Health Study II. Women who were premenopausal at the start of follow-up in 1991 were followed until 2011 for early menopause. Food frequency questionnaires were used to assess dietary intake. In Cox proportional hazards models adjusting for age, smoking, and other factors, total baseline dairy-food intake of ≥4 servings/day versus <4 servings/week was associated with 23% lower risk of early menopause (hazard ratio = 0.77, 95% confidence interval: 0.64, 0.93; P for trend = 0.08). Associations appeared to be limited to low-fat dairy foods (for ≥2 servings/day vs. <3 servings/month, hazard ratio = 0.83, 95% confidence interval: 0.68, 1.01; P for trend = 0.02), whereas high-fat dairy-food intake was not associated with early menopause. Low-fat dairy foods may represent a modifiable risk factor for reducing risk of early menopause among premenopausal women. [ABSTRACT FROM AUTHOR]
- Published
- 2019
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40. Interactions of alcohol and postmenopausal hormone use in regards to mammographic breast density.
- Author
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Yaghjyan, Lusine, Colditz, Graham, Eliassen, Heather, Rosner, Bernard, Gasparova, Aleksandra, and Tamimi, Rulla M.
- Subjects
BREAST physiology ,BREAST ,MAMMOGRAMS ,ALCOHOL drinking ,LONGITUDINAL method ,QUESTIONNAIRES ,RESEARCH funding ,POSTMENOPAUSE - Abstract
Purpose: We investigated the association of alcohol intake with mammographic breast density in postmenopausal women by their hormone therapy (HT) status.Methods: This study included 2,100 cancer-free postmenopausal women within the Nurses' Health Study and Nurses' Health Study II cohorts. Percent breast density (PD), absolute dense (DA), and non-dense areas (NDA) were measured from digitized film mammograms using a computer-assisted thresholding technique; all measures were square root transformed. Alcohol consumption was assessed with a food frequency questionnaire (0, < 5, and ≥ 5 g/day). Information regarding breast cancer risk factors was obtained from baseline or biennial questionnaires closest to the mammogram date. We used generalized linear regression to examine associations between alcohol and breast density measures in women with no HT history, current, and past HT users.Results: In multivariable analyses, we found no associations of alcohol consumption with PD (p trend = 0.32) and DA (p trend = 0.53) and an inverse association with NDA (β = - 0.41, 95% CI - 0.73, - 0.09 for ≥ 5 g/day, p trend < 0.01). In the stratified analysis by HT status, alcohol was not associated with PD in any of the strata. We found a significant inverse association of alcohol with NDA among past HT users (β = - 0.79, 95% CI - 1.51, - 0.07 for ≥ 5 g/day, p trend = 0.02). There were no significant interactions between alcohol and HT in relation to PD, DA, and NDA (p interaction = 0.19, 0.42, and 0.43, respectively).Conclusions: Our findings suggest that associations of alcohol with breast density do not vary by HT status. [ABSTRACT FROM AUTHOR]- Published
- 2018
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41. Relative Validity of Nutrient Intakes Assessed by Questionnaire, 24-Hour Recalls, and Diet Records as Compared With Urinary Recovery and Plasma Concentration Biomarkers: Findings for Women.
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Changzheng Yuan, Spiegelman, Donna, Rimm, Eric B., Rosner, Bernard A., Stampfer, Meir J., Barnett, Junaidah B., Chavarro, Jorge E., Rood, Jennifer C., Harnack, Lisa J., Sampson, Laura K., and Willett, Walter C.
- Subjects
BIOMARKERS ,CAROTENOIDS ,COMPARATIVE studies ,STATISTICAL correlation ,FASTING ,FATTY acids ,FOLIC acid ,INGESTION ,INTERNET ,RESEARCH methodology ,NUTRITIONAL requirements ,POTASSIUM ,PROTEINS ,QUESTIONNAIRES ,SODIUM ,TIME ,VITAMIN A ,VITAMIN E ,RESEARCH methodology evaluation ,FOOD diaries ,URINE collection & preservation - Abstract
We evaluated the performance of a semiquantitative food frequency questionnaire (SFFQ), the Automated Self-Administered 24-Hour Dietary Recall (ASA24), and 7-day dietary records (7DDRs), in comparison with biomarkers, in the estimation of nutrient intakes among 627 women in the Women's Lifestyle Validation Study (United States, 2010-2012). Two paper SFFQs, 1 Web-based SFFQ, 4 ASA24s (beta version), 2 7DDRs, 4 24-hour urine samples, 1 doubly labeled water measurement (repeated among 76 participants), and 2 fasting blood samples were collected over a 15-month period. The dietary variables evaluated were energy, energy-adjusted intakes of protein, sodium, potassium, and specific fatty acids, carotenoids, a-tocopherol, retinol, and folate. In general, relative to biomarkers, averaged ASA24s had lower validity than the SFFQ completed at the end of the data-collection year (SFFQ2); SFFQ2 had slightly lower validity than 1 7DDR; the averaged SFFQs had validity similar to that of 1 7DDR; and the averaged 7DDRs had the highest validity. The deattenuated correlation of energy-adjusted protein intake assessed by SFFQ2 with its biomarker was 0.46, similar to its correlation with 7DDRs (deattenuated r = 0.54). These data indicate that the SFFQ2 provides reasonably valid measurements of energy-adjusted intake for most of the nutrients assessed in our study, consistent with earlier conclusions derived using 7DDRs as the comparison method. The ASA24 needs further evaluation for use in large population studies, but an average of 3 days of measurement will not be sufficient for some important nutrients. [ABSTRACT FROM AUTHOR]
- Published
- 2018
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42. Prospective association of depression and phobic anxiety with changes in telomere lengths over 11 years.
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Chang, Shun‐Chiao, Crous‐Bou, Marta, Prescott, Jennifer, Rosner, Bernard, Simon, Naomi M., Wang, Wei, De Vivo, Immaculata, Okereke, Olivia I., Chang, Shun-Chiao, and Crous-Bou, Marta
- Subjects
MENTAL depression ,TELOMERES ,ANXIETY ,LEUCOCYTES ,POLYMERASE chain reaction ,CELLULAR aging ,LONGITUDINAL method ,PHOBIAS ,QUESTIONNAIRES ,RESEARCH funding ,CROSS-sectional method - Abstract
Background: Although depression and anxiety have been associated with shorter telomeres in cross-sectional studies, the data regarding the prospective relations of depression and anxiety to accelerated telomere length shortening are limited and findings are mixed. We prospectively examined relations of baseline depression and phobic anxiety to subsequent 11-year change in relative leukocyte telomere lengths (LTLs).Methods: We selected 1,250 women from a subcohort of the Nurses' Health Study who provided blood specimens at both blood collections (1989-1990 and 2000-2001). Depression was defined by self-reported regular antidepressant use or presence of severe depressive symptoms; anxiety symptoms were assessed using the Crown-Crisp Experiential Index. Using quantitative real-time polymerase chain reaction assay, LTLs were measured as the copy number ratio of telomere repeat to a single control gene. Changes in LTLs were defined in three ways: absolute change, symmetrized percent change, and decile shift.Results: Overall, there were no statistically significant associations of depression or phobic anxiety to subsequent 11-year LTL shortening, despite a point estimates in the direction of greater telomere shortening among participants with versus without depression, across all three metrics of telomere change. The strongest predictor of LTL change was baseline telomere length, and regression-to-the-mean was observed.Conclusion: Baseline depression and phobic anxiety were not significantly associated with 11-year attrition in LTLs among 1,250 mid-life and older women. However, a suggestion of depression and greater subsequent LTL attrition, while not statistically significant, may warrant further inquiry, particularly in prospective studies with larger sample sizes and broader windows of the lifespan. [ABSTRACT FROM AUTHOR]- Published
- 2018
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43. Dietary Protein Intake and Early Menopause in the Nurses' Health Study II.
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Boutot, Maegan E., Purdue-Smithe, Alexandra, Whitcomb, Brian W., Szegda, Kathleen L., Manson, JoAnn E., Hankinson, Susan E., Rosner, Bernard A., and Bertone-Johnson, Elizabeth R.
- Subjects
BREAD ,COMPARATIVE studies ,CONFIDENCE intervals ,GRAIN ,PATIENT aftercare ,INGESTION ,MEAT ,MENOPAUSE ,DIETARY proteins ,QUESTIONNAIRES ,VEGETABLES ,REPRODUCTIVE health ,BODY mass index ,DISEASE incidence ,PROPORTIONAL hazards models - Abstract
Early menopause, which is the cessation of ovarian function before age 45 years, affects 5%-10% of Western women and is associated with an increased risk of adverse health outcomes. Literature suggests that high levels of vegetable protein intake may prolong female reproductive function.We evaluated the association of long-term intake of vegetable protein, animal protein, and specific protein-rich foods with incidence of early natural menopause in the Nurses' Health Study II cohort. Women included in analyses (n = 85, 682) were premenopausal at baseline (1991) and followed until 2011 for onset of natural menopause. Protein intake was assessed via food frequency questionnaire. In Cox proportional hazard models that were adjusted for age, smoking, body mass index, and other factors, women in the highest quintile of cumulatively averaged vegetable protein intake (median, 6.5% of calories) had a significant 16%lower risk of earlymenopause compared with women in the lowest quintile (3.9%of calories; 95%confidence interval: 0.73, 0.98; P for trend = 0.02). Intake of specific foods, including pasta, dark bread, and cold cereal, was also associated with lower risk (P < 0.05). Conversely, animal protein intake was unrelated to risk. High consumption of vegetable protein, equivalent to 3-4 servings per day of protein-rich foods, is associated with lower incidence of early menopause in US women. [ABSTRACT FROM AUTHOR]
- Published
- 2018
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44. Changes in Sugar-Sweetened Soda Consumption, Weight, and Waist Circumference: 2-Year Cohort of Mexican Women.
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Stern, Dalia, Middaugh, Nicole, Rice, Megan S., Laden, Francine, López-Ridaura, Ruy, Rosner, Bernard, Willett, Walter, and Lajous, Martin
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PHYSIOLOGICAL effects of soft drinks ,BODY weight ,WAIST circumference ,WOMEN ,FOOD habits research ,HEALTH ,CARBONATED beverages ,CONFIDENCE intervals ,DRINKING (Physiology) ,LONGITUDINAL method ,NUTRITIONAL assessment ,PROBABILITY theory ,QUESTIONNAIRES ,REGRESSION analysis ,SELF-evaluation ,TEACHERS ,WEIGHT gain ,DIETARY sucrose - Abstract
Objectives. To evaluate 2-year changes in soda consumption, weight, and waist circumference. Methods. We followed 11 218 women from the Mexican Teachers' Cohort from 2006 to 2008. Dietary data were collected using a semiquantitative food frequency questionnaire. Weight was self-reported, and waist circumference was self-measured. We used linear regression to evaluate changes in sugar-sweetened and sugar-free soda consumption in relation to changes in weight and waist circumference, adjusting for lifestyle and other dietary factors. Results. Compared with no change, a decrease in sugar-sweetened soda consumption by more than 1 serving per week was associated with less weight gain (-0.4 kg; 95% confidence interval [CI] = -0.6, -0.2). Conversely, relative to no change, an increase in sugar-sweetened soda bymore than 1 serving per weekwas associatedwith a 0.3-kilogram (95% CI = 0.2, 0.5) increase inweight. An increase of 1 serving per day of sugar-sweetened sodawas associatedwith a 1.0 kg (95%CI = 0.7, 1.2; P < .001) increase inweight. The results for waist circumference were similar. Conclusions. Moderate changes in consumption of sugar-sweetened soda over a 2-year period were associated with corresponding changes in weight and waist circumference among Mexican women. [ABSTRACT FROM AUTHOR]
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- 2017
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45. The Nurses' Health Study
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Belanger, Charlene F., Hennekens, Charles H., Rosner, Bernard, and Speizer, Frank E.
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46. REPRODUCIBILITY AND VALIDITY OF A SEMIQUANTITATIVE FOOD FREQUENCY QUESTIONNAIRE.
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WILLETT, WALTER C., SAMPSON, LAURA, STAMPFER, MEIR J., ROSNER, BERNARD, BAIN, CHRISTOPHER, WITSCHI, JELIA, HENNEKENS, CHARLES H., and SPEIZER, FRANK E.
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DIETARY supplements ,FOOD habits ,RESEARCH methodology ,NUTRITIONAL assessment ,RESEARCH evaluation ,RESEARCH methodology evaluation ,INTRACLASS correlation - Abstract
The aim of this study was to evaluate the reproducibility and validity of a 61-item semiquantitative food frequency questionnaire used in a large prospective study among women. This form was administered twice to 173 participants at an interval of approximately one year (1980-1981), and four one-week diet records for each subject were collected during that period. Intradass correlation coefficients for nutrient intakes estimated by the one-week diet records (range = 0.41 for total vitamin A without supplements to 0.79 for vitamin B
6 with supplements) were similar to those computed from the questionnaire (range = 0.49 for total vitamin A without supplements to 0.71 for sucrose), indicating that these methods were generally comparable with respect to reproducibility. With the exception of sucrose and total carbohydrate, nutrient intakes from the diet records tended to correlate more strongly with those computed from the questionnaire after adjustment for total caloric intake. Correlation coefficients between the mean calorie-adjusted intakes from the four one-week diet records and those from the questionnaire completed after the diet records ranged from 0.36 for vitamin A without supplements to 0.75 for vitamin C with supplements. Overall, 48% of subjects in the lowest quintile of calorie-adjusted intake computed from the diet records were also in the lowest questionnaire quintile, and 74% were in the lowest one of two questionnaire quintiles. Similarly, 49% of those in the highest diet record quintile were also in the highest questionnaire quintile, and 77% were in the highest one or two questionnaire quintiles. These data indicate that a simple self-administered dietary questionnaire can provide useful information about individual nutrient intakes over a one-year period. [ABSTRACT FROM AUTHOR]- Published
- 2017
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47. Dietary intake of α-linolenic acid and risk of age-related macular degeneration.
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Wu, Juan, Eunyoung Cho, Giovannucci, Edward L., Rosner, Bernard A., Sastry, Srinivas M., Schaumberg, Debra A., and Willett, Walter C.
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ALPHA-linolenic acid ,DISEASE risk factors ,RETINAL degeneration ,AGE factors in disease ,OMEGA-3 fatty acids ,FOOD consumption research ,COHORT analysis ,DIET in disease ,CONDIMENTS ,CONFIDENCE intervals ,FAT content of food ,INGESTION ,LONGITUDINAL method ,MEDICAL personnel ,MULTIVARIATE analysis ,NUTRITIONAL assessment ,PROBABILITY theory ,QUESTIONNAIRES ,REGRESSION analysis ,RESEARCH evaluation ,SEX distribution ,TIME ,TRANS fatty acids ,DESCRIPTIVE statistics ,ODDS ratio - Abstract
Background: The relation between α-linolenic acid (ALA), a plant-derived omega-3 (n-3) fatty acid, and age-related macular degeneration (AMD) is unclear. European researchers reported that ≤40% of ALA can be present as trans forms. Objective: We aimed to evaluate the associations between intake of ALA and intermediate and advanced AMD. Design: Seventy-five thousand eight hundred eighty-nine women from the Nurses' Health Study and 38,961 men from Health Professionals Follow-Up Study were followed up from 1984 to 2012 and from 1986 to 2010, respectively. We assessed dietary intake by a validated food-frequency questionnaire at baseline and every 4 y thereafter. One thousand five hundred eighty-nine incident intermediate and 1356 advanced AMD cases (primarily neovascular AMD) were confirmed by medical record review. Results: The multivariable-adjusted HR for intermediate AMD comparing ALA intake at the top quintile to the bottom quintile was 1.28 (95% CI: 1.05, 1.56; P-trend = 0.01) in the analyses combining 2 cohorts. The HR in each cohort was in the positive direction but reached statistical significance only in the women. However, the positive association was apparent only in the pre-2002 era in each cohort and not afterward (P-time interaction = 0.003). ALA intake was not associated with advanced AMD in either time period. Using gas-liquid chromatography, we identified both cis ALA (mean ± SD: 0.13% ± 0.04%) and trans ALA isomers (0.05% ± 0.01%) in 395 erythrocyte samples collected in 1989-1990. In stepwise regression models, mayonnaise was the leading predictor of erythrocyte concentrations of cis ALA and one isomer of trans ALA. We also found trans ALA in mayonnaise samples. Conclusions: A high intake of ALA was associated with an increased risk of intermediate AMD before 2002 but not afterward. The period before 2002 coincides with the same time period when trans ALA was found in food and participants' blood; this finding deserves further study. [ABSTRACT FROM AUTHOR]
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- 2017
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48. Vitamin D and calcium intake and risk of early menopause.
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Purdue-Smithe, Alexandra C., Whitcomb, Brian W., Szegda, Kathleen L., Boutot, Maegan E., Manson, JoAnn E., Hankinson, Susan E., Rosner, Bernard A., Troy, Lisa M., Michels, Karin B., and Bertone-Johnson, Elizabeth R.
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PHYSIOLOGICAL effects of vitamin D ,MENOPAUSE -- Risk factors ,CALCIUM content of food ,CARDIOVASCULAR diseases risk factors ,PHYSIOLOGICAL effects of dairy products ,DIETARY supplements ,ANOVULATION ,DISEASE risk factors ,OSTEOPOROSIS ,PREMATURE menopause ,WOMEN'S health ,DIETARY calcium ,CONFIDENCE intervals ,DAIRY products ,DIET ,LONGITUDINAL method ,NURSES ,NUTRITIONAL assessment ,PROBABILITY theory ,QUESTIONNAIRES ,VITAMIN D ,STATISTICAL significance ,PROPORTIONAL hazards models ,DESCRIPTIVE statistics ,ODDS ratio - Abstract
Background: Early menopause, defined as the cessation of ovarian function before the age of 45 y, affects ~10% of women and is associated with higher risk of cardiovascular disease, osteoporosis, and other conditions. Few modifiable risk factors for early menopause have been identified, but emerging data suggest that high vitamin D intake may reduce risk. Objective: We evaluated how intakes of vitamin D and calcium are associated with the incidence of early menopause in the prospective Nurses' Health Study II (NHS2). Design: Intakes of vitamin D and calcium from foods and supplements were measured every 4 y with the use of a food-frequency questionnaire. Cases of incident early menopause were identified from all participants who were premenopausal at baseline in 1991; over 1.13 million person-years, 2041 women reported having natural menopause before the age of 45 y. We used Cox proportional hazards regression to evaluate relations between intakes of vitamin D and calcium and incident early menopause while accounting for potential confounding factors. Results: After adjustment for age, smoking, and other factors, women with the highest intake of dietary vitamin D (quintile median: 528 IU/d) had a significant 17% lower risk of early menopause than women with the lowest intake [quintile median: 148 IU/d; HR: 0.83 (95% CI: 0.72, 0.95); P-trend = 0.03]. Dietary calcium intake in the highest quintile (median: 1246 mg/d) compared with the lowest (median: 556 mg/d) was associated with a borderline significantly lower risk of early menopause (HR: 0.87; 95% CI: 0.76, 1.00; P-trend = 0.03). Associations were stronger for vitamin D and calcium from dairy sources than from nondairy dietary sources, whereas high supplement use was not associated with lower risk. Conclusions: Findings suggest that high intakes of dietary vitamin D and calcium may be modestly associated with a lower risk of early menopause. Further studies evaluating 25-hydroxyvitamin D concentrations, other dairy constituents, and early menopause are warranted. [ABSTRACT FROM AUTHOR]
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49. Validity of a Dietary Questionnaire Assessed by Comparison With Multiple Weighed Dietary Records or 24-Hour Recalls.
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Changzheng Yuan, Spiegelman, Donna, Rimm, Eric B., Rosner, Bernard A., Stampfer, Meir J., Barnett, Junaidah B., Chavarro, Jorge E., Subar, Amy F., Sampson, Laura K., and Willett, Walter C.
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NURSES ,CONFIDENCE intervals ,INGESTION ,PROBABILITY theory ,QUESTIONNAIRES ,REGRESSION analysis ,RESEARCH funding ,SELF-evaluation ,STATISTICS ,DATA analysis ,RESEARCH methodology evaluation ,DATA analysis software ,DIARY (Literary form) ,DESCRIPTIVE statistics ,ODDS ratio ,INTRACLASS correlation - Abstract
The authors evaluated the validity of a 152-item semiquantitative food frequency questionnaire (SFFQ) by comparing it with two 7-day dietary records (7DDRs) or up to 4 automated self-administered 24-hour recalls (ASA24s) over a 1-year period in the women's Lifestyle Validation Study (2010-2012), conducted among subgroups of the Nurses' Health Studies. Intakes of energy and 44 nutrients were assessed using the 3 methods among 632 US women. Compared with the 7DDRs, SFFQ responses tended to underestimate sodium intake but overestimate intakes of energy, macronutrients, and several nutrients in fruits and vegetables, such as carotenoids. Spearman correlation coefficients between energy-adjusted intakes from 7DDRs and the SFFQ completed at the end of the data-collection period ranged from 0.36 for lauric acid to 0.77 for alcohol (mean r = 0.53). Correlations of the end-period SFFQ were weaker when ASA24s were used as the comparison method (mean r = 0.43). After adjustment for within-person variation in the comparison method, the correlations of the final SFFQ were similar with 7DDRs (mean r = 0.63) and ASA24s (mean r = 0.62). These data indicate that this SFFQ provided reasonably valid estimates for intakes of a wide variety of dietary variables and that use of multiple 24-hour recalls or 7DDRs as a comparison method provided similar conclusions if day-to-day variation was taken into account. [ABSTRACT FROM AUTHOR]
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- 2017
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50. A Comprehensive Model of Colorectal Cancer by Risk Factor Status and Subsite Using Data From the Nurses' Health Study.
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Wei, Esther K., Colditz, Graham A., Giovannucci, Edward L., Wu, Kana, Glynn, Robert J., Fuchs, Charles S., Stampfer, Meir, Willett, Walter, Ogino, Shuji, and Rosner, Bernard
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RECTUM tumors ,COLON tumors ,ASPIRIN ,CALCIUM ,ALCOHOL drinking ,FOLIC acid ,FOOD habits ,MEAT ,PROBABILITY theory ,QUESTIONNAIRES ,RESEARCH funding ,RISK assessment ,SMOKING ,SURVIVAL analysis (Biometry) ,BODY mass index ,LIFESTYLES ,DISEASE incidence ,PROPORTIONAL hazards models ,FAMILY history (Medicine) ,PHYSICAL activity ,DATA analysis software ,PHARMACODYNAMICS ,TUMOR risk factors ,CANCER risk factors - Abstract
We expanded and updated our colon cancer risk model to evaluate colorectal cancer (CRC) and whether subsite-specific risk models are warranted. Using data from 1980-2010 for 90,286 women enrolled in the Nurses' Health Study, we performed competing-risks regression and tests for subsite heterogeneity (proximal colon: n = 821 ; distal colon: n = 521 ; rectum: n = 376). Risk factors for CRC were consistent with those in our colon cancer model. Processed meat consumption was associated with a higher risk of distal (hazard ratio (HR) = 1.45; P = 0.02) but not proximal (HR = 0.95; P = 0.72) colon cancer. Smoking was associated with both colon (HR = 1.21) and rectal (HR = 1.27) cancer and was more strongly associated with proximal (HR = 1.31) than with distal (HR = 1.04) colon cancer (P = 0.029). We observed a significant trend of cancer risk for smoking in subsites from the cecum (HR = 1.41) to the proximal colon (excluding the cecum; HR = 1.27) to the distal colon (HR = 1.04; P for trend = 0.040). The C statistics for colorectal (C = 0.607), colon (C = 0.603), and rectal (C = 0.639) cancer were similar, although C was slightly higher for rectal cancer. Despite evidence for site-specific differences for several risk factors, overall our findings support the application of risk prediction models for colon cancer to CRC. [ABSTRACT FROM AUTHOR]
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- 2017
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