Urban participants in an exercise intervention for older women were healthier than others
Urban participants in an exercise intervention for older women in Kuopio, eastern Finland, were healthier and had better functional capability at baseline than non-participants and uninvited rural women, according to new findings from the Kuopio Fall Prevention Study. The participants were also better off than women of the same age group living in rural areas. These observations are indicative of selection bias, which may affect the generalisability of results. Selection bias has never been studied so comprehensively in this type of a setting before. A randomised controlled exercise