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Title: A brief assessment of eating habits and weight gain in a Mediterranean cohort
Authors: Zazpe, I.
Bes-Rastrollo, Maira
Ruiz-Canela, Miguel
Sánchez-Villegas, Almudena 
Serrano-Martínez, M.
Martínez-González, Miguel Ángel
UNESCO Clasification: 3206 Ciencias de la nutrición
32 Ciencias médicas
Keywords: Obesity
Cohort studies
Prospective studies
Issue Date: 2011
Project: Red Alimentación Saludable en la Prevención Primaria de Enfermedades Crónicas: la Red Predimed. (Retics 2006) 
Journal: British Journal of Nutrition 
Abstract: Assessment of eating habits (EH) through closed questions could be an alternative tool to assess diet as a predictor of weight change in epidemiological studies. The aim was to assess the association between baseline EH and the risk of weight gain or becoming overweight/obese in a Spanish dynamic prospective cohort (the Seguimiento Universidad de Navarra Project) of 10 509 participants. The baseline questionnaire included ten short questions with two possible answers: yes or no. We calculated a baseline EH score, categorised in quartiles, positively weighting answers on more fruit, vegetables, fish and fibre and less meat, sweets and pastries, fat, butter, fatty meats and added sugar in drinks. Reducing the consumption of meat or fat and removing fat from meat were significantly associated with lower weight gain. The partial correlation coefficient between EH score and weight change was - 0·033 (P = 0·001). We observed 1063 cases of incident overweight/obesity among 7217 participants without overweight/obesity at baseline. Trying to eat more fruit, fish or fibre and less meat was inversely significantly associated with incident overweight/obesity. Those participants in the upper quartile of the score were at a 38 % (adjusted OR 0·62; 95 % CI 0·48, 0·81) lower risk of developing overweight/obesity during the follow-up compared with those in the lower quartile. However, the receiver-operating characteristic curves for the model with and without the EH score were materially identical. Despite the apparent significant inverse association, this score had a low predictive value for future weight gain and for incident overweight/obesity in a Mediterranean population, although some EH were independently and positively associated with weight gain.
ISSN: 0007-1145
DOI: 10.1017/S0007114510004149
Source: British Journal of Nutrition [ISSN 0007-1145], v. 105 (5), p. 765-775
Rights: by-nc-nd
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