Major dietary patterns and carotid intima-media thickness in Bangladesh.

Auteur(s) :
Rundek T., McClintock TR., Parvez F., Wu F., Islam T., Ahmed A., Rani Paul R., Shaheen I., Sarwar G., Demmer RT., Desvarieux M., Ahsan H., Chen YP.
Date :
Mai, 2015
Source(s) :
Public health nutrition. # p
Adresse :
Departments of Population Health and Environmental Medicine,New York University School of Medicine,650 First Avenue,New York,NY 10016,USA.

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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.

Source : Pubmed
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