Positive outcomes occurred in the short-term from interventions using approaches such as  exercise prescriptions , goal setting , feedback and problem-solving .
However , longer-term maintenance of exercise  was less successful .
Physical activity is recommended for people with stable heart failure ( HF ) , because it is known to improve quality of life and health outcomes .
However , adherence to this recommendation has been poor in many studies .
A systematic review was conducted to examine the effectiveness of strategies used to promote exercise adherence in those with HF .
Predicting long-term maintenance of physical activity in older adults.
BACKGROUND Considerable research has established that self-efficacy is a consistent correlate of physical activity . Additional factors , such as exercise-induced affect , social support , and value judgments , have also been identified as having the potential to influence adherence to activity . This study examined the utility of such variables in predicting the long-term exercise behavior  of older adults . METHOD In the context of a 6-month r and omized controlled trial with an 18-month follow-up , we tested the extent to which adherence during the trial , affective responses to exercise , exercise value , and social support from the exercise group had either a direct or indirect effect through the mediation of exercise self-efficacy on physical activity levels at 6- and 18-month follow-up in a sample ( N=174 ) of older adults ( M age , 66 years ) .  Structural equation modeling tested several models of exercise prediction . RESULTS The best fitting model indicated significant paths from social support , affect , and exercise frequency to efficacy at the end of the program . Efficacy , in turn , was related to physical activity at 6- and 18-month follow-up . The model accounted for 40 % of the variance in 18-month activity levels . CONCLUSION This prospect i ve study provides support for the inclusion of social cognitive variables in models of exercise adherence and highlights the pivotal role of self-efficacy in long-term exercise behavior . Subsequent trials are called for to replicate and extend these findings
Positive outcomes occurred in the short-term from interventions using approaches such as  exercise prescriptions , goal setting , feedback and problem-solving .
However , longer-term maintenance of exercise  was less successful .
Physical activity is recommended for people with stable heart failure ( HF ) , because it is known to improve quality of life and health outcomes .
However , adherence to this recommendation has been poor in many studies .
A systematic review was conducted to examine the effectiveness of strategies used to promote exercise adherence in those with HF .