Methods
We determined whether a cost-free 12-month admission to the city’s recreational sports facilities including initial 6 months of supervised weekly gym and Tai Chi sessions decreases the number of falls and related injuries. The mean (SD) follow-up time was 22·6 (4.8) months in 2016–19. A total of 914 women from a population-based sample with a mean age of 76.5 (SD 3.3, range 71.1–84.8) years were randomized into exercise intervention (