title: Neighborhood physical activity opportunity: a multilevel contextual model.
authors.affiliation: Oregon Research Institute, Eugene, Oregon 97403, USA. sued@ori.org
authors.forename: Susan C
authors.initials: SC
authors.lastname: Duncan
authors.forename: Terry E
authors.initials: TE
authors.lastname: Duncan
authors.forename: Lisa A
authors.initials: LA
authors.lastname: Strycker
authors.forename: Nigel R
authors.initials: NR
authors.lastname: Chaumeton
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D005006:Ethnicity / Q000706:statistics & numerical data; D005260:Female; D006801:Humans; D008297:Male; D009043:Motor Activity; D019601:Pacific States / Q000453:epidemiology; D011203:Poverty / Q000706:statistics & numerical data; D012111:Residence Characteristics / Q000706:statistics & numerical data*; D012924:Social Conditions / Q000706:statistics & numerical data