title: Two knees or one person: data analysis strategies for paired joints or organs.
authors.affiliation: Department of Public Health and Epidemiology, University of Nottingham, Queens Medical Centre.
authors.forename: A J
authors.initials: AJ
authors.lastname: Sutton
authors.forename: K R
authors.initials: KR
authors.lastname: Muir
authors.forename: A C
authors.initials: AC
authors.lastname: Jones
mesh_terms: D003625:Data Collection; D006801:Humans; D007719:Knee Joint; D010003:Osteoarthritis / Q000209:etiology*; D012044:Regression Analysis