| Titre : | Physical activity and the incidence of type 2 diabetes in the Shanghai women's health study. (2006) |
| Auteurs : | Raquel VILLEGAS ; Yu-Tang GAO ; . GONG YANG ; . HONGLAN LI ; . HUI CAI ; LEITZMANN (Michael) : USA. Nutritional Epidemiology Branch. Division of Cancer Epidemiology and Genetics. National Cancer Institute. Bethesda. MD. ; Charles-E MATTHEWS ; . QI LI ; Xiao-Ou SHU ; . WEI ZHENG ; Vanderbilt University School of Medicine. Vanderbilt Epidemiology Center Vanderbilt-Ingram Cancer Center. Department of Medicine. Nashville. TN. USA |
| Type de document : | Article |
| Dans : | International journal of epidemiology (vol. 35, n° 6, 2006) |
| Pagination : | 1553-1562 |
| Langues: | Anglais |
| Mots-clés : | Epidémiologie ; Incidence ; Activité physique ; Condition vie ; Femme ; Adulte ; Homme ; Chine ; Asie ; Glande endocrine [pathologie] ; Métabolisme [pathologie] |
| Résumé : | [BDSP. Notice produite par INIST-CNRS kR0xY0Qz. Diffusion soumise à autorisation]. Background : Leisure-time physical activity (LPA) has been associated with a reduced risk of type 2 diabetes. However, the potential effect of other types of physical activity on type 2 diabetes is still uncertain. The aim of this study was to examine the effect of occupational, commuting, daily living, and LPA on the incidence of type 2 diabetes in a cohort of middle-aged women. Methods : We prospectively followed 70 658 women who had no prior history of diabetes at study recruitment for 4.6 years. Participants completed in-person interviews at baseline that collected information on diabetes risk factors including physical activity habits. Anthropometric measurements were taken by trained interviewers. Multivariate-adjusted hazard ratios were estimated by levels of occupational, commuting, daily living, and LPA. Results : We documented 1973 incident cases of diabetes during 326625 person-years of follow-up. LPA and daily living physical activity (DPA) were associated with a moderately reduced risk of type 2 diabetes. The relative risk for type 2 diabetes associated with LPA and DPA categories were 1.00,0.89,1.05, and 0.83, (P trend=0.12) and 1.00,0.98,0.95, and 0.88, (P trend=0.06) respectively. LPA was associated with lower risk of type 2 diabetes in employed participants (P trend=0.09) while DPA was mainly associated with a reduction in risk in non-employed participants (P trend<0.01). While occupational physical activity was not associated with type 2 diabetes risk in this population, commuting to work was associated with a reduction in risk. A combination of DPA and LPA was associated with a reduced risk of type 2 diabetes. Conclusions : This study suggests that physical activity, either from leisure-time exercise or daily activity reduces the risk of type 2 diabetes in women, supporting the current health promotion efforts encouraging both exercise and non-exercise activity levels. |
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