J Phys Act Health. 2024 May 2:1-9. doi: 10.1123/jpah.2023-0558. Online ahead of print. ABSTRACT BACKGROUND: Retirement transition has been shown to associate with changes in physical activity (PA) and self-rated health (SRH), but their interrelationship is less studied. The aim was to investigate changes in accelerometer-measured total PA, moderate to…