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Objective: Positive self-perceptions of ageing are associated with better health; however, little is known about the potentially underlying mechanisms. The present longitudinal study examines whether the relationship between self-perceptions of ageing and self-rated health is mediated by physical activity in older adults with multiple chronic conditions.

Design: A sample of 309 German community-dwelling older adults aged 65–85 years with two or more chronic conditions was assessed at three measurement occasions over 2.5 years. Participants provided information on self-perceptions of ageing, physical activity, self-rated health, number of chronic conditions and demographics (T1). Physical activity was reassessed six months later (T2) and self-rated health after 2.5 years (T3). Data were analysed using multiple regression and path analyses.

Main outcome measures: Self-rated health and physical activity.

Results …