title: Time trends in leisure-time physical activity: another perspective.
authors.forename: K K
authors.initials: KK
authors.lastname: Yeager
authors.forename: C A
authors.initials: CA
authors.lastname: Macera
authors.forename: E
authors.initials: E
authors.lastname: Eaker
authors.forename: R K
authors.initials: RK
authors.lastname: Merritt
mesh_terms: D000328:Adult; D000368:Aged; D015444:Exercise; D005260:Female; D015438:Health Behavior; D006801:Humans; D007899:Leisure Activities; D008297:Male; D008875:Middle Aged; D008910:Minnesota / Q000453:epidemiology; D015995:Prevalence; D012307:Risk Factors