Importance Women in midlife often develop chronic conditions and experience declines in
physical health and function. Identifying factors associated with declines in physical health
and function among these women may allow for targeted interventions. Objective To
examine the factors associated with clinically important 10-year declines in the physical
component summary score (PCS) of the Short Form 36 (SF-36), a widely used patient-
reported outcome measure, in women in midlife. Design, Setting, and Participants This …