Ambient temperature and prevalence of obesity in the Spanish population. [email protected] study.

Auteur(s) :
Valdés S., Maldonado-Araque C., Garcia-Torres F., Goday A., Bosch-Comas A., Bordiu E., Calle-Pascual A., Carmena R., Casamitjana R., Castano L., Castellanos DC., Catala M., Delgado E., Franch J., Gaztambide S., Girbés J., Gomis R., Gutiérrez G., Martinez-Larrad MT., Menéndez E., Mora-Peces I., Ortega E., Pascual-Manich G., Serrano-Rios M., Urrutia I., Vazquez JA., Vendrell J., Soriguer F., Rojo-Martinez G.
Date :
Nov, 2014
Source(s) :
OBESITY (SILVER SPRING). #22:11 p2328-2332
Adresse :
Centro de Investigacion Biomédica en Red de Diabetes y Enfermedades Metabolicas Asociadas (CIBERDEM), Spain; Department of Endocrinology and Nutrition, Hospital Universitario Carlos Haya, IBIMA, Malaga, Spain. [email protected]

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OBJECTIVE
The aim of this study was to examine possible associations between ambient temperature and obesity in the Spanish population using an ecological focus.

METHODS
The [email protected] study is a national, cross-sectional, population-based survey of cardiometabolic risk factors and their association with lifestyle. Sample: 5,061 subjects in 100 clusters. Variables: Clinical, demographic and lifestyle survey, physical examination, and blood sampling. The mean annual temperature (°C) for each study site was collected from the Spanish National Meteorology Agency (1971-2000).

RESULTS
The prevalence rates of obesity in the different geographical areas divided according to mean annual temperature quartiles were 26.9% in quartile 1 (10.4-14.5°C), 30.5% in quartile 2 (14.5-15.5°C), 32% in quartile 3 (15.5-17.8°C), and 33.6% in quartile 4 (17.8-21.3°C) (P = 0.003). Logistic regression analyses including multiple socio-demographic (age, gender, educational level, marital status) and lifestyle (physical activity, Mediterranean diet score, smoking) variables showed that, as compared with quartile 1, the odd ratios for obesity were 1.20 (1.01-1.42), 1.35 (1.12-1.61), and 1.38 (1.14-1.67) in quartiles 2, 3, and 4, respectively (P = 0.001 for difference, P < 0.001 for trend).

CONCLUSION
Our study reports an association between ambient temperature and obesity in the Spanish population controlled for known confounders.

Source : Pubmed
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