Promoting Exercise Maintenance: How Interventions With Booster Sessions Improve Long-Term Rehabilitation Outcomes.

Objective: Follow-up intervention boosters are supposed to promote exercise maintenance beyond initial treatment. The current quasi-experimental study investigated the benefits of adding telephone-delivered intervention boosters to a self-management exercise intervention for rehabilitants. Psycho-social mechanisms by which the intervention boosters promote exercise maintenance were examined. Research Design: Between 2009 and 2011, individuals in cardiac and orthopedic rehabilitation (N = 1,166) were allocated to either a self-management exercise intervention or a control group (i.e., questionnaire only). In addition to standard rehabilitation, participants in the intervention group were offered a series of telephone-delivered intervention boosters after 6 weeks and again after 6 months. Self-efficacy, action planning, and satisfaction with previous exercise outcomes were reassessed 12 months after discharge. Habit strength and exercise were measured 18 months after rehabilitation. Results: The intervention with boosters promoted the maintenance of planning, self-efficacy, satisfaction, exercise, and habit strength. Changes in exercise were simultaneously mediated by changes in planning, self-efficacy, and satisfaction. Changes in habit strength were sequentially mediated by planning and exercise. Conclusions: Interventions with boosters that focus on action planning, self-efficacy, and satisfaction help to maintain self-directed postrehabilitation exercise. Frequent exercise performance, in turn, can strengthen exercise habits. [ABSTRACT FROM AUTHOR]

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