title: Changes in activity and interest in the third and fourth age: associations with health, functioning and depressive symptoms.
authors.affiliation: Mandel School of Applied Social Sciences, Case Western Reserve University, Cleveland, OH 44106, USA. kathryn.adams@case.edu
authors.forename: Kathryn Betts
authors.initials: KB
authors.lastname: Adams
authors.forename: Amy Restorick
authors.initials: AR
authors.lastname: Roberts
authors.forename: Marilyn B
authors.initials: MB
authors.lastname: Cole