Tyler R McClintock1, Faruque Parvez2, Fen Wu1, Tariqul Islam3, Alauddin Ahmed3, Rina Rani Paul3, Ishrat Shaheen3, Golam Sarwar3, Tatjana Rundek4, Ryan T Demmer5, Moise Desvarieux5, Habibul Ahsan6, Yu Chen1. 1. 1Departments of Population Health and Environmental Medicine,New York University School of Medicine,650 First Avenue,New York,NY 10016,USA. 2. 3Department of Environmental Health Sciences,Mailman School of Public Health,Columbia University,New York,NY,USA. 3. 4U-Chicago Research Bangladesh,Ltd,Dhaka,Bangladesh. 4. 5Department of Neurology,Miller School of Medicine,University of Miami,Miami,FL,USA. 5. 6Department of Epidemiology,Mailman School of Public Health,Columbia University,New York,NY,USA. 6. 9Departments of Health Studies,Medicine and Human Genetics and Comprehensive Cancer Center,The University of Chicago,5841 South Maryland Avenue,Suite N102,Chicago,IL 60637,USA.
Abstract
OBJECTIVE: Carotid intima-media thickness (IMT) is a validated surrogate marker of preclinical atherosclerosis and is predictive of cardiovascular morbidity and mortality. Research on the association between IMT and diet, however, is lacking, especially in low-income countries or low-BMI populations. DESIGN: Cross-sectional analysis. Dietary intakes were measured using a validated, thirty-nine-item FFQ at baseline cohort recruitment. IMT measurements were obtained from 2010-2011. SETTING: Rural Bangladesh. SUBJECTS: Participants (n 1149) randomly selected from the Health Effects of Arsenic Longitudinal Study, an ongoing, population-based, prospective cohort study established in 2000. Average age at IMT measurement was 45·5 years. RESULTS: Principal component analysis of reported food items yielded a 'balanced' diet, an 'animal protein' diet and a 'gourd and root vegetable' diet. We observed a positive association between the gourd/root vegetable diet and IMT, as each 1 sd increase in pattern adherence was related to a difference of 7·74 (95 % CI 2·86, 12·62) μm in IMT (P<0·01), controlling for age, sex, total energy intake, smoking status, BMI, systolic blood pressure and diabetes mellitus diagnoses. The balanced pattern was associated with lower IMT (-4·95 (95 % CI -9·78, -0·11) μm for each 1sd increase of adherence; P=0·045). CONCLUSIONS: A gourd/root vegetable diet in this Bangladeshi population positively correlated with carotid IMT, while a balanced diet was associated with decreased IMT.
OBJECTIVE: Carotid intima-media thickness (IMT) is a validated surrogate marker of preclinical atherosclerosis and is predictive of cardiovascular morbidity and mortality. Research on the association between IMT and diet, however, is lacking, especially in low-income countries or low-BMI populations. DESIGN: Cross-sectional analysis. Dietary intakes were measured using a validated, thirty-nine-item FFQ at baseline cohort recruitment. IMT measurements were obtained from 2010-2011. SETTING: Rural Bangladesh. SUBJECTS:Participants (n 1149) randomly selected from the Health Effects of Arsenic Longitudinal Study, an ongoing, population-based, prospective cohort study established in 2000. Average age at IMT measurement was 45·5 years. RESULTS: Principal component analysis of reported food items yielded a 'balanced' diet, an 'animal protein' diet and a 'gourd and root vegetable' diet. We observed a positive association between the gourd/root vegetable diet and IMT, as each 1 sd increase in pattern adherence was related to a difference of 7·74 (95 % CI 2·86, 12·62) μm in IMT (P<0·01), controlling for age, sex, total energy intake, smoking status, BMI, systolic blood pressure and diabetes mellitus diagnoses. The balanced pattern was associated with lower IMT (-4·95 (95 % CI -9·78, -0·11) μm for each 1sd increase of adherence; P=0·045). CONCLUSIONS: A gourd/root vegetable diet in this Bangladeshi population positively correlated with carotid IMT, while a balanced diet was associated with decreased IMT.
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