| Titre : | Effect of physical activity measurement type on the association between walking activity and glucose regulation in a high-risk population recruited from primary care. (2013) |
| Auteurs : | Thomas YATES ; BRADY (Emer) : GBR. Leicester Diabetes Centre. Leicester General Hospital. University Hospitals of Leicester Nhs Trust. Leicester. ; Melanie-J DAVIES ; Charlotte EDWARDSON ; Joe HENSON ; Kamlesh KHUNTI ; Danielle-H MORRIS ; Diabetes Research Unit. Leicester General Hospital. College of Medicine. Biological Sciences and Psychology. University of Leicester. Leicester. GBR ; National Institute for Health Research Leicester-Loughborough Diet. Lifestyle and Physical Activity Biomedical Research Unit. University Hospitals of Leicester and University of Leicester. Leicester. GBR |
| Type de document : | Article |
| Dans : | International journal of epidemiology (vol. 42, n° 2, 2013) |
| Pagination : | 533-540 |
| Langues: | Anglais |
| Mots-clés : | Diabète ; Activité physique ; Classification ; Association ; Condition vie ; Activité ; Glucose ; Régulation ; Réglementation ; Population exposée risque ; Population ; Homme ; Soins santé primaire ; Epidémiologie ; Locomotion ; Glande endocrine [pathologie] |
| Résumé : | [BDSP. Notice produite par INIST-CNRS JkDER0xp. Diffusion soumise à autorisation]. Background We investigate associations of self-reported and objectively assessed walking activity with measures of glucose regulation in a multi-ethnic population at high risk of type 2 diabetes. Methods This study reports data from a 2009-2011 screening programme for impaired glucose regulation (IGR) within a high-risk primary care population in Leicestershire, UK ; 2532 participants (38% women, 8% South Asian) with a mean age of 64+/-8 years and an average BMI of 32.1+/-5.6 kg/m2 were included. Walking activity was measured by self-report (International Physical Activity Questionnaire) and objectively (pedometer). Glucose regulation assessments included 2h post-challenge glucose, fasting glucose and HbAlc. Results Higher levels of self-reported walking activity and pedometer steps were associated with lower 2h post-challenge glucose after controlling for several known confounding variables, including BMI. Similarly, when categorized in tertiles, both measures were associated with a lower odds of having any form of IGR ; odds ratio for lowest vs highest tertile was 0.64 (0.51-0.80) for self-report and 0.69 (0.55-0.87) for pedometer steps. There was no significant difference between self-reported and objective measures in the strength of associations with glucose regulation ; associations with self-report were maintained when further adjusted for pedometer steps. Stronger associations between self-reported walking activity and glucose regulation were observed in South Asians compared with White Europeans. Conclusions Self-reported and objectively measured walking activity were equally associated with indices of glucose regulation. Associations with self-reported walking activity were maintained when further adjusted for pedometer steps, suggesting that self-reported walking activity may measure facets of physical activity that are beyond total volume. |
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