... prevent physical inactivity and improve the health status of older people in SpainList of abbreviationsPA: Physical activity; LTPA: Leisure time physical activity; SNHS: The SpanishNational Health ... Older adults, chronic disease and leisure-time physical activity. Gerontology 2009, 55:64-72.15. Centers for Disease Control and Prevention: Physical activity and health Areportof the Surgeon ... Jiang XH:Individual, social, environmental, and physical environmental correlateswith physical activity among Canadians: a cross-sectional study. BMCPublic Health 2009, 9:21.33. Wong CH, Wong...