title: [Influence of social and demographic factors on elderly peoples customary physical activity: a pilot study].
authors.forename: José María
authors.initials: JM
authors.lastname: Cancela Carral
authors.forename: Carlos
authors.initials: C
authors.lastname: Ayán Pérez
mesh_terms: D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009043:Motor Activity; D010865:Pilot Projects; D012424:Rural Population; D012959:Socioeconomic Factors; D013030:Spain; D014505:Urban Population