National policy for increasing leisure physical activity in the United States is impeded by a poor understanding of interventions that can be implemented by community and clinical medicine.
To clarify the literature in this area, we conducted a quantitative, meta-analysis of 127 studies that examined the efficacy of interventions for increasing physical activity among ~131,000 subjects in community, worksite, school, home, and health care settings ; 445 effects were expressed as a Pearson correlation coefficient (r) and examined as they varied according to moderating variables important for community and clinical intervention.
The mean effect was moderately large, r=0.34, approximating three-fourths of a standard deviation or an increase in binomial success rate from 50% to 67%. The estimated population effect weighted by sample size was larger, r=0.75, approximating 2 standard deviations or increased success to 88%. Contrasts between levels of independent moderating variables indicated that effects weighted by sample size were larger when the interventions : 1) employed the principles of behavior modification, 2) used a mediated delivery, 3) targeted groups, 4) of combined ages, 5) sampled apparently healthy people, or 6) measured active leisure, of 7) low intensity, 8) by observation. (...)
Mots-clés Pascal : Loisir, Epidémiologie, Médecine préventive, Exercice physique, Etats Unis, Amérique du Nord, Amérique, Analyse quantitative, Homme
Mots-clés Pascal anglais : Leisure, Epidemiology, Preventive medicine, Physical exercise, United States, North America, America, Quantitative analysis, Human
Notice produite par :
Inist-CNRS - Institut de l'Information Scientifique et Technique
Cote : 96-0303816
Code Inist : 002A24. Création : 10/04/1997.