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Diabetes Care ; 37(9): 2587-92, 2014 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-24969578

RESUMEN

OBJECTIVE: To determine whether dietary patterns associated with food insecurity are associated with poor longitudinal glycemic control. RESEARCH DESIGN AND METHODS: In a prospective, population-based, longitudinal cohort study, we ascertained food security (Food Security Survey Module), dietary pattern (Healthy Eating Index-2005 [HEI 2005]), and hemoglobin A1c (HbA1c) in Puerto Rican adults aged 45-75 years with diabetes at baseline (2004-2009) and HbA1c at ∼2 years follow-up (2006-2012). We determined associations between food insecurity and dietary pattern and assessed whether those dietary patterns were associated with poorer HbA1c concentration over time, using multivariable-adjusted repeated subjects mixed-effects models. RESULTS: There were 584 participants with diabetes at baseline and 516 at follow-up. Food-insecure participants reported lower overall dietary quality and lower intake of fruit and vegetables. A food insecurity*HEI 2005 interaction (P < 0.001) suggested that better diet quality was more strongly associated with lower HbA1c in food-insecure than food-secure participants. In adjusted models, lower follow-up HbA1c was associated with greater HEI 2005 score (ß = -0.01 HbA1c % per HEI 2005 point, per year, P = 0.003) and with subscores of total vegetables (ß = -0.09, P = 0.04) and dark green and orange vegetables and legumes (ß = -0.06, P = 0.048). Compared with the minimum total vegetable score, a participant with the maximum score showed relative improvements of HbA1c of 0.5% per year. CONCLUSIONS: Food insecurity was associated with lower overall dietary quality and lower consumption of plant-based foods, which was associated with poor longitudinal glycemic control.


Asunto(s)
Diabetes Mellitus/fisiopatología , Dieta/efectos adversos , Conducta Alimentaria , Abastecimiento de Alimentos , Estado de Salud , Hiperglucemia/etiología , Hipoglucemia/etiología , Adulto , Anciano , Boston , Femenino , Estudios de Seguimiento , Hemoglobina Glucada/análisis , Humanos , Estudios Longitudinales , Masculino , Persona de Mediana Edad , Estudios Prospectivos , Puerto Rico
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