| Titre : | Physical activity assessment in population surveys : can it really be simplified ? (1999) |
| Auteurs : | F. DOMINGUEZ-BERJON ; C. BORRELL ; M. NEBOT ; A. PLASENCIA ; Municipal Institute of Health. Barcelona. ESP |
| Type de document : | Article |
| Dans : | International journal of epidemiology (vol. 28, n° 1, 1999) |
| Pagination : | 53-57 |
| Langues: | Anglais |
| Mots-clés : | Activité physique ; Etude comparée ; Homme ; Espagne ; Europe ; Epidémiologie |
| Résumé : | [BDSP. Notice produite par INIST 7dGoYR0x. Diffusion soumise à autorisation]. Background Several studies have used a simplified approach for the assessment of physical activity such as the frequency of exercise-induced sweating. In this study leisuretime physical activity has been assessed using this and another more detailed measure. Subjects A sample of 4171 adults answered the Health Interview Survey of Barcelona in and Methods 1992. The respondents were classified into categories depending on participation in moderate and/or intense physical activity (>=20 mint and also according to the frequency of exercise-induced sweating : 0,1-2 and >=3 times/week. Agreement between the two measures was calculated using the weighted Kappa (Kw) statistic with 95% confidence intervals (95% CI). Stratified analyses were performed. Results Prevalence of physical activity >=3 times/week was lower with the sweat question (12.5%) than with the questions about the frequency of performance of selected activities (19.6%). The physical activity patterns by age, gender and overweight were similar for the two measures, but differed by month of the year. Agreement was lower among the older age categories and was higher among males (Kw=0.59,95% Cl : 0.57-0.62) than among females (Kw=0.48,95% CI : 0.46-0.50). Overall, the agreement was higher in the hotter months (Kw=0.72 among males and 0.58 among females). (...) |
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