title: The obesity epidemic: contextual influences on physical activity and body weight.
authors.forename: Kylie
authors.initials: K
authors.lastname: Ball
authors.forename: David
authors.initials: D
authors.lastname: Crawford
mesh_terms: D000293:Adolescent; D000328:Adult; D001315:Australia / Q000453:epidemiology; D001835:Body Weight; D002648:Child; D004196:Disease Outbreaks; D004777:Environment; D005260:Female; D015438:Health Behavior; D006801:Humans; D008297:Male; D009043:Motor Activity; D009765:Obesity / Q000453:epidemiology*; D015995:Prevalence; D012307:Risk Factors