Short and long-term adherence to swimming and walking programs in older women--the Sedentary Women Exercise Adherence Trial (SWEAT 2).

Objective: To examine in previously sedentary older women the effects of exercise mode and a behavioural intervention on short and long-term retention and adherence.

Methods: Healthy, sedentary women aged 50-70 years (N=116) were randomly assigned to a supervised 6-month swimming or walking program 3 sessions a week. They were further randomised to usual care or a behavioural intervention.