5 results on '"Bailey, Maximilian J."'
Search Results
2. High rates of observed face mask use at Colorado universities align with students' opinions about masking and support the safety and viability of in-person higher education during the COVID-19 pandemic.
- Author
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Clark, Kevin C., Bailey, Maximilian J., Wasshuber, Stefan, Huntley, Raissa, Bjorkman, Kristen K., Bauer, Leisha Conners, Paige, Camille L., Sawyer, Sara L., Czarnik, Michaila, Riggs, Margaret A., Gutilla, Margaret J., and Alderete, Tanya L.
- Subjects
COVID-19 pandemic ,HIGHER education ,STUDENT attitudes ,MEDICAL masks ,COLLEGE students - Abstract
Background: Over the course of the COVID-19 pandemic, colleges and universities have focused on creating policies, such as mask mandates, to minimize COVID-19 transmission both on their campuses and in the surrounding community. Adherence to and opinions about these policies remain largely unknown. Methods: The Centers for Disease Control and Prevention (CDC) developed a cross-sectional study, the Mask Adherence and Surveillance at Colleges and Universities Project (MASCUP!), to objectively and inconspicuously measure rates of mask use at institutes of higher education via direct observation. From February 15 through April 11, 2021 the University of Colorado Boulder (CU, n = 2,808 observations) and Colorado State University Fort Collins (CSU, n = 3,225 observations) participated in MASCUP! along with 52 other institutes of higher education (n = 100,353 observations) spanning 21 states and the District of Columbia. Mask use was mandatory at both Colorado universities and student surveys were administered to assess student beliefs and attitudes. Results: We found that 91.7%, 93.4%, and 90.8% of persons observed at indoor locations on campus wore a mask correctly at University of Colorado, Colorado State University, and across the 52 other schools, respectively. Student responses to questions about masking were in line with these observed rates of mask use where 92.9% of respondents at CU and 89.8% at CSU believe that wearing masks can protect the health of others. Both Colorado universities saw their largest surges in COVID-19 cases in the fall of 2020, with markedly lower case counts during the mask observation window in the spring of 2021. Conclusion: High levels of mask use at Colorado's two largest campuses aligned with rates observed at other institutes across the country. These high rates of use, coupled with positive student attitudes about mask use, demonstrate that masks were widely accepted and may have contributed to reduced COVID-19 case counts. This study supports an emerging body of literature substantiating masks as an effective, low-cost measure to reduce disease transmission and establishes masking (with proper education and promotion) as a viable tactic to reduce respiratory disease transmission on college campuses. [ABSTRACT FROM AUTHOR]
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- 2023
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3. Prenatal exposure to ambient air pollution is associated with neurodevelopmental outcomes at 2 years of age.
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Morgan, Zachariah E. M., Bailey, Maximilian J., Trifonova, Diana I., Naik, Noopur C., Patterson, William B., Lurmann, Frederick W., Chang, Howard H., Peterson, Bradley S., Goran, Michael I., and Alderete, Tanya L.
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PRENATAL exposure ,PRESCHOOL children ,AIR pollution ,AIR pollutants ,SCHOOL children ,BREAST milk ,NEURAL development ,TODDLERS development - Abstract
Background: Higher prenatal ambient air pollution exposure has been associated with impaired neurodevelopment in preschoolers and school-aged children. The purpose of this study was to explore the relationships between prenatal ambient air pollution exposure and neurodevelopment during infancy. Methods: This study examined 161 Latino mother-infant pairs from the Southern California Mother's Milk Study. Exposure assessments included prenatal nitrogen dioxide (NO
2 ) and particulate matter smaller than 2.5 and 10 microns in diameter (PM2.5 and PM10 , respectively). The pregnancy period was also examined as three windows, early, mid, and late, which describe the first, middle, and last three months of pregnancy. Infant neurodevelopmental outcomes at 2 years of age were measured using the Bayley-III Scales of Infant and Toddler Development. Multivariable linear models and distributed lag linear models (DLM) were used to examine relationships between prenatal exposures and neurodevelopmental scores, adjusting for socioeconomic status, breastfeeding frequency, time of delivery, pre-pregnancy body mass index, and infant birthweight and sex. Results: Higher prenatal exposure to PM10 and PM2.5 was negatively associated with composite cognitive score (β = -2.01 [-3.89, -0.13] and β = -1.97 [-3.83, -0.10], respectively). In addition, higher average prenatal exposure to PM10 was negatively associated with composite motor (β = -2.35 [-3.95, -0.74]), scaled motor (β = -0.77 [-1.30, -0.24]), gross motor (β = -0.37 [-0.70, -0.04]), fine motor (β = -0.40 [-0.71, -0.09]), composite language (β = -1.87 [-3.52, -0.22]), scaled language (β = -0.61 [-1.18, -0.05]) and expressive communication scaled scores (β = -0.36 [-0.66, -0.05]). DLMs showed that higher prenatal air pollution exposure during mid and late pregnancy was inversely associated with motor, cognitive, and communication language scores. Conclusions: Higher exposure to air pollutants during pregnancy, particularly in the mid and late prenatal periods, was inversely associated with scaled and composite motor, cognitive, and language scores at 2 years. These results indicate that prenatal ambient air pollution may negatively impact neurodevelopment in early life. [ABSTRACT FROM AUTHOR]- Published
- 2023
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4. Postnatal exposure to ambient air pollutants is associated with the composition of the infant gut microbiota at 6-months of age.
- Author
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Bailey, Maximilian J., Holzhausen, Elizabeth A., Morgan, Zachariah E. M., Naik, Noopur, Shaffer, Justin P., Liang, Donghai, Chang, Howard H., Sarnat, Jeremy, Sun, Shan, Berger, Paige K., Schmidt, Kelsey A., Lurmann, Frederick, Goran, Michael I., and Alderete, Tanya L.
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- 2022
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5. Added sugar and sugar-sweetened beverages are associated with increased postpartum weight gain and soluble fiber intake is associated with postpartum weight loss in Hispanic women from Southern California.
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Alderete, Tanya L, Wild, Laura E, Mierau, Savannah M, Bailey, Maximilian J, Patterson, William B, Berger, Paige K, Jones, Roshonda B, Plows, Jasmine F, and Goran, Michael I
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ANALYSIS of variance ,BEVERAGES ,BODY weight ,CONFIDENCE intervals ,DIETARY fiber ,CARBOHYDRATE content of food ,GLYCEMIC index ,HISPANIC Americans ,INGESTION ,LONGITUDINAL method ,MATERNAL age ,WEIGHT gain in pregnancy ,PUERPERIUM ,STATURE ,WEIGHT loss ,WOMEN ,MULTIPLE regression analysis ,REPEATED measures design ,DESCRIPTIVE statistics ,DIETARY sucrose - Abstract
Background Obesity prevalence remains high in the United States, and there is an increased risk among women who do not lose their gestational weight gain during the postpartum period. Indicators of dietary carbohydrate quality including added sugar consumption, glycemic load, and glycemic index have been linked with weight gain, whereas fiber may protect against obesity. However, these dietary factors have not been examined during the postpartum period. Objectives The aim of this study was to determine whether dietary sugars and fiber intake were associated with changes in postpartum weight. Methods We examined Hispanic women from the longitudinal Southern California Mother's Milk Study (n = 99) at 1 and 6 mo postpartum. Maternal assessments included height, weight, and dietary intake based on 24-h diet recalls. We used multivariable linear regression to examine the relation between maternal diet and change in postpartum weight after adjusting for maternal age, height, and energy intake. Results Higher intake of added sugar was associated with postpartum weight gain (β: 0.05; 95% CI: 0.004, 0.10; P = 0.05). In addition, a half 8-ounce (8 fluid ounces = 236.6 mL) serving per day increase in soft drinks was associated with a 1.52-kg increase in weight (95% CI: 0.70, 2.34 kg; P < 0.001). A high glycemic index (β: 0.25; 95% CI: 0.07, 0.42; P = 0.006) and glycemic load (β: 0.04; 95% CI: 0.002, 0.08; P = 0.04) were associated with postpartum weight gain. Higher soluble fiber was associated with a decrease in postpartum weight (β: −0.82 kg; 95% CI: −1.35, −0.29 kg; P = 0.003) and the negative effects of added sugar, sugary beverages, and high-glycemic-index and -load diets were partially attenuated after adjusting for soluble fiber intake. Conclusions Increased consumption of added sugar, sugar-sweetened beverages, and high-glycemic diets were associated with greater weight gain in the first 6 mo postpartum. In addition, increased consumption of soluble fiber was associated with postpartum weight loss, which may partially offset the obesogenic effects of some dietary sugars. [ABSTRACT FROM AUTHOR]
- Published
- 2020
- Full Text
- View/download PDF
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