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Trajectories of physical activity, falls and physical function from middle age to older age.


The prevalence of falls increases from mid-life to older adulthood. The relationship between ongoing physical activity in middle age and subsequent falls and consequences of falls is not clear. This study aims to describe the patterns of physical activity and falls from middle age to older age; examine short-term and long-term relationship between physical activity and 1) self-reported falls and injurious falls 2) falls events involving care in emergency departments and hospitals 3) consequences and 4) health care utilisation including costs and falls. This study will also assess whether physical function or frailty modifies the association between physical activity and falls, and explore the relationship between physical activity and physical function.