17 results on '"Millen, Amy E."'
Search Results
2. Accuracy of self‐reported treated hypertension in the women's health initiative: Comparisons with medication inventories.
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LaMonte, Michael J., Milton, Grace M., Miller, Connor R., Hovey, Kathleen M., Soliman, Ahmed, Millen, Amy E., and Wactawski‐Wende, Jean
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Few studies have reported on the accuracy of self‐reported hypertension history among older postmenopausal women, which was this study's objective. Participants were postmenopausal women enrolled in the Osteoporosis and Periodontal Disease (OsteoPerio) study, an ancillary investigation of the Women's Health Initiative Observational Study (WHI‐OS) at the Buffalo, New York, clinical site. Participants self‐reported their history of physician diagnosed hypertension treated with medication at WHI‐OS enrollment (1993–1998; n = 1342, mean age 63 years), then 3 years later at OsteoPerio enrollment (1997–2001; n = 1342), and again at OsteoPerio Year 5 follow‐up (2002–2005; n = 1020). At each time point, medication inventories were recorded and served as the criterion with which self‐report was compared in the present study. Physician diagnosed‐treated hypertension was also self‐reported annually on mailed health update questionnaires in the WHI‐OS and were compared against medication inventory at the subsequent clinic exam. Of those participants who self‐reported a history of hypertension at WHI enrollment, OsteoPerio enrollment, and OsteoPerio Year 5 follow‐up, 41.2%, 90.3%, and 94.4%, respectively, had anti‐hypertensive pills in their medication inventory. Across the three time points, sensitivity and specificity ranged from 0.72 to 0.98 and from 0.85 to 0.95, and kappa coefficients ranged from 0.52 to 0.79 when comparing self‐report with medication inventory. For self‐reported newly physician‐diagnosed and treated hypertension on the annual health update questionnaire, 88.4% and 95.2% of those reporting hypertension had anti‐hypertensive pills in the subsequent medication inventory. In general, sensitivity and kappa were lower in women aged ≥70 versus < 70 years and in those with history of cardiovascular disease and diabetes compared to those without these comorbidities. In this cohort of postmenopausal women, self‐reported physician diagnosed and treated hypertension demonstrated moderate to high accuracy when compared against anti‐hypertensive medication use documented by pill inventory, particularly for those who were younger and managing fewer comorbidities. [ABSTRACT FROM AUTHOR]
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- 2024
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3. Developing and evaluating the construct validity of a dietary pattern predictive of plasma TMAO and choline.
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Burns, Kaelyn F., LaMonte, Michael J., Blair, Rachael Hageman, Tabung, Fred K., Rexrode, Kathryn M., Snetselaar, Linda G., and Millen, Amy E.
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The metabolism of choline (highly present in animal products) can produce trimethylamine N-oxide (TMAO), a metabolite with atherosclerotic effects; however, dietary fiber may suppress this metabolic pathway. This study aimed to develop a dietary pattern predictive of plasma TMAO and choline concentrations using reduced rank regression (RRR) and to evaluate its construct validity. Diet and plasma concentrations of choline (μmol/L) and TMAO (μmol/L) were assessed in 1724 post-menopausal women who participated in an ancillary study within the Women's Health Initiative Observational Study (1993–1998). The TMAO dietary pattern was developed using RRR in half of the sample (Training Sample) and applied to the other half of the sample (Validation Sample) to evaluate its construct validity. Energy-adjusted food groups were the predictor variables and plasma choline and TMAO, the response variables. ANCOVA and linear regression models were used to assess associations between each biomarker and the dietary pattern score. Discretionary fat, potatoes, red meat, and eggs were positively associated with the dietary pattern, while yogurt, fruits, added sugar, and starchy vegetables were inversely associated. Mean TMAO and choline concentrations significantly increased across increasing quartiles of the dietary pattern in the Training and Validation samples. Positive associations between the biomarkers and the TMAO dietary pattern were also observed in linear regression models (Validation Sample: TMAO, adjusted beta-coefficient = 0.037 (p-value = 0.0088); Choline, adjusted beta-coefficient = 0.011 (p-value = 0.0224). We established the TMAO dietary pattern, a dietary pattern reflecting the potential of the diet to contribute to plasma concentrations of TMAO and choline. • A diet pattern was created in post-menopausal women to predict plasma biomarkers. • The biomarkers used for development were trimethylamine N-oxide and choline. • The diet pattern consists of high intake of fat, red meat, and eggs. • The diet pattern consists of low intake of yogurt, fruit, and starchy vegetables. • The construct validity of this proposed atherogenic diet pattern was demonstrated. [ABSTRACT FROM AUTHOR]
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- 2024
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4. Could Vitamin D Influence Risk for Periodontal Disease—to “D” or Not to “D”?
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Millen, Amy E. and Pavlesen, Sonja
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- 2020
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5. Construct validation of the dietary inflammatory index among postmenopausal women
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Tabung, Fred K, Steck, Susan E, Zhang, Jiajia, Ma, Yunsheng, Liese, Angela D, Agalliu, Ilir, Hingle, Melanie, Hou, Lifang, Hurley, Thomas G, Jiao, Li, Martin, Lisa W, Millen, Amy E, Park, Hannah L, Rosal, Milagros C, Shikany, James M, Shivappa, Nitin, Ockene, Judith K, and Hebert, James R
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Biomedical and Clinical Sciences ,Nutrition and Dietetics ,Cancer ,Prevention ,Nutrition ,Aged ,Biomarkers ,C-Reactive Protein ,Diet ,Female ,Humans ,Inflammation ,Interleukin-6 ,Linear Models ,Logistic Models ,Middle Aged ,Postmenopause ,Receptors ,Tumor Necrosis Factor ,Type II ,Dietary inflammatory index ,Inflammatory biomarkers ,Construct validation ,Women's Health Initiative ,Medical and Health Sciences ,Epidemiology ,Biomedical and clinical sciences ,Health sciences - Abstract
PurposeMany dietary factors have either proinflammatory or anti-inflammatory properties. We previously developed a dietary inflammatory index (DII) to assess the inflammatory potential of diet. In this study, we conducted a construct validation of the DII based on data from a food frequency questionnaire and three inflammatory biomarkers in a subsample of 2567 postmenopausal women in the Women's Health Initiative Observational Study.MethodsWe used multiple linear and logistic regression models, controlling for potential confounders, to test whether baseline DII predicted concentrations of interleukin-6, high-sensitivity C-reactive protein (hs-CRP), tumor necrosis factor alpha receptor 2, or an overall biomarker score combining all three inflammatory biomarkers.ResultsThe DII was associated with the four biomarkers with beta estimates (95% confidence interval) comparing the highest with lowest DII quintiles as follows: interleukin-6: 1.26 (1.15-1.38), Ptrend < .0001; tumor necrosis factor alpha receptor 2: 81.43 (19.15-143.71), Ptrend = .004; dichotomized hs-CRP (odds ratio for higher vs. lower hs-CRP): 1.30 (0.97-1.67), Ptrend = .34; and the combined inflammatory biomarker score: 0.26 (0.12-0.40), Ptrend = .0001.ConclusionsThe DII was significantly associated with inflammatory biomarkers. Construct validity of the DII indicates its utility for assessing the inflammatory potential of diet and for expanding its use to include associations with common chronic diseases in future studies.
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- 2015
6. Air Pollution and Chronic Eye Disease in Adults: A Scoping Review.
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Millen, Amy E., Dighe, Shruti, Kordas, Katarzyna, Aminigo, Boma Zelma, Zafron, Michelle L., and Mu, Lina
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AIR pollution , *EYE diseases , *RETINAL vein occlusion , *RETINAL diseases , *MACULAR degeneration , *RETINA , *CRYSTALLINE lens , *RETINAL vein - Abstract
We conducted a scoping review of studies examining ambient air pollution as a risk factor for chronic eye disease influencing the lens, retina, and intraocular pressure in adults. Terms related to air pollution and eye disease outcomes were used to search for publications on Embase, Web of Science Core Collection, Global Health, PubMed, and the Cochrane Central Register of Controlled Trials from January 1, 2010, through April 11, 2022. We identified 27 articles, focusing on the following non-mutually exclusive outcomes: cataract (n = 9), presbyopia (n = 1), retinal vein occlusion or central retinal arteriolar and venular equivalents (n = 5), intraocular pressure (IOP) (n = 3), glaucoma (n = 5), age-related macular degeneration (AMD) (n = 5), diabetic retinopathy (n = 2), and measures of retinal morphology (n = 3). Study designs included cross-sectional (n = 16), case–control (n = 4), and longitudinal (n = 7). Air pollutants were measured in 50% and 95% of the studies on lens and retina or IOP, respectively, and these exposures were assigned to geographic locations. Most research was conducted in global regions with high exposure to air pollution. Consistent associations suggested a possibly increased risk of cataract and retina-associated chronic eye disease with increasing exposure to particulate matter (PM2.5-PM10), NO2, NOx, and SO2. Associations with O3 were less consistent. Accumulating research suggests air pollution may be a modifiable risk factor for chronic eye diseases of the lens and retina. The number of studies on each specific lens- or retina-related outcome is limited. Guidelines regarding the role of air pollution in chronic eye disease do not exist. [ABSTRACT FROM AUTHOR]
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- 2024
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7. Composition and diversity of the subgingival microbiome and its relationship with age in postmenopausal women: an epidemiologic investigation
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LaMonte, Michael J., Genco, Robert J., Buck, Michael J., McSkimming, Daniel I., Li, Lu, Hovey, Kathleen M., Andrews, Christopher A., Zheng, Wei, Sun, Yijun, Millen, Amy E., Tsompana, Maria, Banack, Hailey R., and Wactawski-Wende, Jean
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- 2019
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8. Vitamin D status and prevalent early age-related macular degeneration in African Americans and Caucasians: The Atherosclerosis Risk in Communities (ARIC) Study
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Millen, Amy E., Nie, J., Sahli, M. W., Mares, J. A., Meyers, K. J., Klein, B. E. K., Lamonte, M. J., Lutsey, P. L., Andrews, C. A., and Klein, R.
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- 2017
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9. Adequate vitamin D status is associated with the reduced odds of prevalent diabetic retinopathy in African Americans and Caucasians.
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Millen, Amy E., Sahli, Michelle W., Jing Nie, LaMonte, Michael J., Lutsey, Pamela L., Klein, Barbara E. K., Mares, Julie A., Meyers, Kirstin J., Andrews, Christopher A., and Klein, Ronald
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VITAMIN D , *DIABETIC retinopathy , *DIABETES risk factors , *BLOOD sugar , *ATHEROSCLEROSIS , *PATIENTS - Abstract
Background: Vitamin D status has been hypothesized to protect against development of diabetic retinopathy via its anti-inflammatory and anti-angiogenic properties. Additionally, in vitro and in vivo studies suggest vitamin D favorably influences blood pressure and blood glucose control, strong risk factors for diabetic retinopathy. We examined the association between vitamin D status and prevalent diabetic retinopathy in participants with diabetes from a population-based cohort. Methods: Among participants in the Atherosclerosis Risk in Communities (ARIC) study with diabetes at visit 3 (1993-1995), 1339 (906 Caucasians, 433 African Americans) had serum 25-hydroxyvitamin (25[OH]D) concentrations assessed at visit 2 (1989-1992) and nonmydriatic retinal photographs taken at visit 3. Dietary intake of vitamin D was assessed at visit 1 (1987-1989). Logistic regression was used to estimate odds ratios (ORs) and 95 % confidence intervals (CIs) for diabetic retinopathy by categories of season-adjusted 25(OH)D (<30 [referent], 30-<50, 50-<75 and ≥75 nmol/L), by quartile of vitamin D intake (IU/day), and use of vitamin D or fish oil supplements (yes/no). P for trend was estimated using continuous 25(OH)D or vitamin D intake. ORs were adjusted for race, and duration of diabetes. We further adjusted for HBA1c and hypertension to examine if 25(OH)D influenced diabetic retinopathy via its effects on either glycemic control or blood pressure. Results: ORs (95 % CIs) for retinopathy, adjusted for race and duration, were 0.77 (0.45-1.32), 0.64 (0.37-1.10), and 0.39 (0.20-0.75), p for trend = 0.001, for participants with 25(OH)D of 30-<50, 50-<75, and ≥75 nmol/L, respectively. Further adjustment for hypertension minimally influenced results (data not show), but adjustment for HBA1c attenuated the OR among those with 25(OH)D ≥75 (0.47 [0.23-0.96], p for trend = 0.030). No statistically significant association was observed between vitamin D intake from foods or supplements and retinopathy. Conclusions: 25(OH)D concentrations ≥75 nmol/L were associated with lower odds of any retinopathy assessed 3 years later. We speculate this may be due in part to vitamin D's influence on blood glucose control. [ABSTRACT FROM AUTHOR]
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- 2016
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10. Dietary Intake of Lutein and Diabetic Retinopathy in the Atherosclerosis Risk in Communities Study (ARIC).
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Sahli, Michelle W., Mares, Julie A., Meyers, Kristin J., Klein, Ronald, Brady, William E., Klein, Barbara E. K., Ochs-Balcom, Heather M., Donahue, Richard P., and Millen, Amy E.
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COHORT analysis ,DIABETIC retinopathy ,DIABETIC retinopathy treatment ,LUTEIN ,RETINAL degeneration ,THERAPEUTICS ,DISEASE risk factors - Abstract
Purpose: We tested the hypothesis that dietary intake of lutein is inversely associated with prevalence of diabetic retinopathy (DR) due to its antioxidant and anti-inflammatory properties and location within the retina. Methods: We used logistic regression to examine the association between prevalent DR and energy-adjusted lutein intake by quartile (Q) using data collected from 1430 Atherosclerosis Risk in Communities Study (ARIC) participants with diabetes (n= 994 white,n= 508 black). DR was assessed from 45° non-mydriatic retinal photographs of one randomly chosen eye taken at visit 3 (1993–1995). Dietary lutein intake was estimated using a 66-item food frequency questionnaire at visit 1 (1987–1989). Results: Median estimated daily lutein intake was 1370 µg/1000 kcals and prevalence of DR was ~21%. We found a crude association between lutein and DR (odds ratio, OR, 2.11, 95% confidence interval, CI, 1.45–3.09 for Q4, high intake, vs. Q1, low intake;pfor trend <0.0001), which was attenuated after adjustment for ethnicity, duration of diabetes, glycosylated hemoglobin levels, field center and energy intake (OR 1.41, 95% CI 0.87–2.28;pfor trend = 0.01). In analyses limited to persons with short diabetes duration (<6 years), the association no longer persisted (OR 0.94, 95% CI 0.31–2.16;pfor trend =0.72) compared to the association in those with longer diabetes duration (≥6 years; OR 1.58, 95% CI 0.91–2.75;pfor trend = 0.01). Conclusion: Contrary to our hypothesis, we found that the odds of higher lutein intake were greater among those with DR than those without DR. However, after adjusting for confounders, intake of lutein was not associated with DR. [ABSTRACT FROM PUBLISHER]
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- 2016
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11. Association of Serum 17β-Estradiol Concentration, Hormone Therapy, and Alveolar Crest Height in Postmenopausal Women.
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Wang, Youjin, LaMonte, Michael J., Hovey, Kathleen M., Mai, Xiaodan, Tezal, Mine, Millen, Amy E., Ochs‐Balcom, Heather M., Genco, Robert J., Barnabei, Vanessa M., and Wactawski‐Wende, Jean
- Abstract
Background: Declines in endogenous estrogen levels after menopause can lead to systemic bone loss, including loss of oral bone and alveolar crest height (ACH). However, few studies have assessed both serum 17β-estradiol (E
2 ) and exogenous hormone therapy (HT) use in relation to oral bone loss. Methods: This study examines the associations among serum E2 , HT use, and ACH in 613 postmenopausal women from the Buffalo OsteoPerio study. Baseline ACH levels and 5-year ACH were assessed for groups according to E2 level (undetectable, >5.00 to ≤18.00, >18.00 to ≤46.07, and >46.07 pg/mL) and among HT use (never, ever) using analysis of variance and analysis of covariance. Logistic regression was used to analyze the association of ACH loss with serum E2 and HT use. Results: In cross-sectional analyses, no association was found of serum E2 with whole-mouth mean or worst-site ACH. However, history of HT use was associated with ACH. Women who had never used HT had more ACH loss assessed as a whole-mouth mean ACH (P = 0.01) and as worst-site ACH loss (P = 0.03). In logistic regression analyses of baseline ACH loss severity, HT never-users had two-fold higher odds of being in the severe ACH loss category compared to ever-users (odds ratio, 2.00; 95% confidence interval, 1.11 to 3.62). No association was observed of 5-year change in ACH with baseline serum E2 or HT use. Conclusion: Although this study did not detect an association with current serum E2 level and ACH, HT use was found to be associated with less ACH loss in postmenopausal women.. [ABSTRACT FROM AUTHOR]- Published
- 2015
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12. Vitamin D Status and 5-Year Changes in Periodontal Disease Measures Among Postmenopausal Women: The Buffalo OsteoPerio Study.
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Millen, Amy E., Andrews, Christopher A., LaMonte, Michael J., Hovey, Kathleen M., Swanson, Mya, Genco, Robert J., and Wactawski‐Wende, Jean
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Background: Vitamin D is hypothesized to prevent periodontal disease progression through its immune-modulating properties and its role in maintaining systemic calcium concentrations. The authors investigated associations between plasma 25-hydroxyvitamin D [25(OH)D] (collected 1997 to 2000) and the 5-year change in periodontal disease measures from baseline (1997 to 2000) to follow-up (2002 to 2005) among 655 postmenopausal women in a Women's Health Initiative Observational Study ancillary study. Exploratory analyses were conducted in 628 women who also had 25(OH)D measures at follow-up. Methods: Four continuous measures of the 5-year change in periodontal disease were assessed using alveolar crest height (ACH), clinical attachment level (CAL), probing depth (PD), and percentage of gingival sites that bled on assessment. Linear regression was used to estimate β-coefficients, standard errors, and R values corresponding to change in periodontal disease (a 1-mm change in ACH, CAL, or PD or a 1-unit change in the percentage of gingival sites that bled) for a 10-nmol/L difference in 25(OH)D. Models were adjusted for age, education, dental visit frequency, smoking, diabetes status, current medications affecting bone health, baseline measures of periodontal disease, body mass index, and recreational physical activity. Results: No statistically significant associations were observed between baseline 25(OH)D and change in periodontal disease measures, overall or in a subset (n = 442) of women with stable 25(OH)D concentrations [25(OH)D change <20 nmol/L from baseline to follow-up]. Results also did not vary significantly in analyses that were stratified by baseline periodontal disease status. Conclusions: No association between baseline 25(OH)D and the subsequent 5-year change in periodontal disease measures was observed. Vitamin D status may not influence periodontal disease progression. More studies are needed to confirm these results. [ABSTRACT FROM AUTHOR]
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- 2014
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13. Plasma 25-Hydroxyvitamin D Concentrations and Periodontal Disease in Postmenopausal Women.
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Millen, Amy E., Hovey, Kathleen M., LaMonte, Michael J., Swanson, Mya, Andrews, Christopher A., Kluczynski, Melissa A., Genco, Robert J., and Wactawski‐Wende, Jean
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Background: Vitamin D has anti-inflammatory and anti-microbial properties that, together with its influence on bone health, may confer periodontal benefit. Methods: Cross-sectional associations (years 1997-2000) between plasma 25-hydroxyvitamin D concentration [25 (OH)D] and periodontal measure were investigated among 920 postmenopausal women. Measures of chronic disease were defined based on: 1) alveolar crestal height (ACH) measures from intraoral radiographs and tooth loss and 2) Centers for Disease Control and Prevention (CDC)/American Academy of Periodontology (AAP) criteria using measures of clinical attachment level and probing depth (PD). Acute oral inflammation was assessed by the percentage of gingival sites that bled upon assessment with a probe. Logistic regression was used to estimate the odds ratios (ORs) and 95% confidence intervals (CIs) for periodontal disease among participants with adequate [25(OH)D ≥50 nmol/L] compared with deficient/inadequate [25(OH)D <50 nmol/L] vitamin D status adjusted for age, dental visit frequency, and body mass index. Results: No association was observed between vitamin D status and periodontal disease defined by ACH and tooth loss (adjusted OR = 0.96, 95% CI = 0.68 to 1.35). In contrast, women with adequate compared with deficient/inadequate vitamin D status had 33% lower odds (95% CI = 5% to 53%) of periodontal disease according to the CDC/AAP definition and 42% lower odds (95% CI = 21% to 58%) of having ≥50% of gingival sites that bled. Conclusions: Vitamin D status was inversely associated with gingival bleeding, an acute measure of oral health and inflammation, and inversely associated with clinical categories of chronic periodontal disease that incorporated PD, an indicator of oral inflammation. However, vitamin D was not associated with chronic periodontal disease based on measures of ACH in combination with tooth loss. [ABSTRACT FROM AUTHOR]
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- 2013
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14. Vitamin D Supplementation and Depression in the Women’s Health Initiative Calcium and Vitamin D Trial.
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Bertone-Johnson, Elizabeth R., Powers, Sally I., Spangler, Leslie, Larson, Joseph, Michael, Yvonne L., Millen, Amy E., Bueche, Maria N., Salmoirago-Blotcher, Elena, Wassertheil-Smoller, Sylvia, Brunner, Robert L., Ockene, Ira, Ockene, Judith K., Liu, Simin, and Manson, JoAnn E.
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ANTIDEPRESSANTS ,CALCIUM ,COMPARATIVE studies ,CONFIDENCE intervals ,MENTAL depression ,DIETARY supplements ,EPIDEMIOLOGY ,LONGITUDINAL method ,PLACEBOS ,PSYCHOLOGICAL tests ,RESEARCH evaluation ,RESEARCH funding ,SCALES (Weighing instruments) ,VITAMIN D ,WOMEN ,LOGISTIC regression analysis ,DATA analysis ,RANDOMIZED controlled trials ,REPEATED measures design ,POSTMENOPAUSE ,DESCRIPTIVE statistics ,NULL hypothesis - Abstract
While observational studies have suggested that vitamin D deficiency increases risk of depression, few clinical trials have tested whether vitamin D supplementation affects the occurrence of depression symptoms. The authors evaluated the impact of daily supplementation with 400 IU of vitamin D3 combined with 1,000 mg of elemental calcium on measures of depression in a randomized, double-blinded US trial comprising 36,282 postmenopausal women. The Burnam scale and current use of antidepressant medication were used to assess depressive symptoms at randomization (1995–2000). Two years later, women again reported on their antidepressant use, and 2,263 completed a second Burnam scale. After 2 years, women randomized to receive vitamin D and calcium had an odds ratio for experiencing depressive symptoms (Burnam score ≥0.06) of 1.16 (95% confidence interval: 0.86, 1.56) compared with women in the placebo group. Supplementation was not associated with antidepressant use (odds ratio = 1.01, 95% confidence interval: 0.92, 1.12) or continuous depressive symptom score. Results stratified by baseline vitamin D and calcium intake, solar irradiance, and other factors were similar. The findings do not support a relation between supplementation with 400 IU/day of vitamin D3 along with calcium and depression in older women. Additional trials testing higher doses of vitamin D are needed to determine whether this nutrient may help prevent or treat depression. [ABSTRACT FROM PUBLISHER]
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- 2012
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15. Relation between intake of vitamins C and E and risk of diabetic retinopathy in the Atherosclerosis Risk in Communities Study.
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Millen, Amy E., Klein, Ronald, Folsom, Aaron R., Stevens, June, Palta, Mari, and Mares, Julie A.
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Background: The potential protective effect of vitamins C and E against the development of diabetic retinopathy has not been thoroughly evaluated in epidemiologic studies. Objective: The objective was to study the association between prevalent diabetic retinopathy and intake of vitamins C and E in participants of the Atherosclerosis Risk in Communities Study. Design: A total of 1353 subjects with type 2 diabetes diagnosed between 1993 and 1995 or before were included. Nutrient intake was assessed with a food-frequency and supplement questionnaire administered between 1987-1989 and 1993-1995. Prevalent retinopathy (n = 224) was determined in 1993-1995 from graded fundus photographs. Results: No association of retinopathy with intake of vitamin C or E from food alone or from food and supplements combined was observed. The odds ratios and 95% CIs for retinopathy for quartile 4 compared with quartile 1 of vitamins C and E intakes from food and supplements combined were 1.1 (0.7, 1.9) and 1.3 (0.8, 2.2), respectively, after adjustment for diabetes treatment and serum glucose. There was a significant interaction of the observed relations with serum glucose concentration (P < 0.05). Additionally, a decreased odds of retinopathy was found among users (reported use ⩾3 y before 1993-1995) of vitamin C or E supplements or multisupplements compared with reported use of no supplements: 0.5 (0.3, 0.8), 0.5 (0.2, 0.8), and 0.4 (0.2, 0.9), respectively. Conclusion: No significant overall associations were observed between risk of retinopathy and intake of major dietary antioxidants. The observed association between risk of retinopathy and supplement use may reflect nondietary factors or a possible benefit of supplementation. [ABSTRACT FROM AUTHOR]
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- 2004
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16. Plasma 25-Hydroxyvitamin D Concentrations and Serum and Salivary C-Reactive Protein in the Osteoporosis and Periodontal Disease Study.
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Twardowski, Sarah E., Wactawski-Wende, Jean, Hovey, Kathleen M., Andrews, Christopher A., Banack, Hailey R., LaMonte, Michael J., Millen, Amy E., and Savastano, Silvia
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Vitamin D has been hypothesized to play an important role in preventing the development and progression of periodontal disease, but the underlying immune modulatory mechanisms remain understudied. We examined the cross-sectional association between biomarkers of vitamin D status and C-reactive protein (CRP) among postmenopausal women aged 53–81 years. Linear regression was used to examine the association between plasma 25-hydroxyvitamin D (25[OH]D) concentrations, a biomarker of vitamin D status, and both salivary and serum CRP concentrations in 567 women from the Buffalo Osteoporosis and Periodontal Disease (OsteoPerio) Study (1997–2000). CRP concentrations were measured with multiplex arrays and transformed for normality using the natural log. Concentrations above and below the limit of detection were included in analysis as right- and left-censored observations. An inverse association was observed between 25(OH)D and salivary CRP in a model adjusted for age, smoking status, frequency of tooth brushing and flossing, and hormone therapy use (−7.56% difference in salivary CRP concentrations per 10 nmol/L increase in 25(OH)D, 95% CI: −12.78 to −2.03). Further adjustment for percent body fat attenuated this association (−2.48%, 95% CI: −7.88 to 3.24). No significant associations were found between 25(OH)D and serum CRP. Plasma vitamin D concentrations were not associated with salivary or serum CRP concentrations in this cohort of postmenopausal women. [ABSTRACT FROM AUTHOR]
- Published
- 2021
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17. Duration of Physical Activity and Serum 25-hydroxyvitamin D Status of Postmenopausal Women
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Kluczynski, Melissa A., Lamonte, Michael J., Mares, Julie A., Wactawski-Wende, Jean, Smith, Ashley Wilder, Engelman, Corinne D., Andrews, Christopher A., Snetselaar, Linda G., Sarto, Gloria E., and Millen, Amy E.
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PHYSICAL activity , *PHYSIOLOGY of women , *POSTMENOPAUSE , *HYDROXY acids , *VITAMIN D , *SERUM , *WOMEN'S health , *EPIDEMIOLOGY , *CAROTENOIDS - Abstract
Purpose: To investigate whether the association between physical activity and serum 25-hydroxyvitamin D (25(OH)D) concentrations is independent of sun exposure, body size, and other potential explanatory variables. Methods: By using data from a sample of 1343 postmenopausal women from the Women’s Health Initiative, we used linear regression to examine the associations of duration (minutes/week) of recreational activity and of yard work with 25(OH)D concentrations (nmol/L). Results: In age-adjusted analyses, positive associations were observed between 25(OH)D concentrations and both duration of recreational physical activity (β = 0.71, SE [0.09], p <.001) and yard work (β = 0.36, SE [0.10], p = .004). After further adjustment for vitamin D intake, self-reported sunlight exposure, waist circumference, and season of blood draw, 25(OH)D was significantly associated with recreational activity (β = 0.21, SE [0.09], p = .014) but not with yard work (β = 0.18, SE [0.09], p = .061). Interactions were observed between season and both recreational activity (Pinteraction = .082) and yard work (Pinteraction = .038) such that these activity-25(OH)D associations were greater during summer/fall compared with winter/spring. Self-reported sunlight exposure and measures of body size did not modify the associations. Conclusions: The observed age-adjusted activity-25(OH)D associations were attenuated after adjusting for explanatory variables and were modified by season of blood draw. Adopting a lifestyle that incorporates outdoor physical activity during summer/fall, consuming recommended amounts of vitamin D, and maintaining a healthy weight may improve or maintain vitamin D status in postmenopausal women. [ABSTRACT FROM AUTHOR]
- Published
- 2011
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