Comparison of stage-matched and unmatched interventions to promote exercise behaviour in the primary care setting
- PMID: 10510073
- DOI: 10.1093/her/14.5.653
Comparison of stage-matched and unmatched interventions to promote exercise behaviour in the primary care setting
Abstract
This study examined the effectiveness of stages of change-based counselling for exercise delivered by nurses in four primary care centres. Two-hundred and ninety-four subjects enrolled, recruited from patients attending 30-min health checks. The average age of participants was 42.4 years (SD = 15.1) and 77% were female. Participants completed a questionnaire assessing stage of exercise adoption, self-efficacy and exercise levels. Each centre was assigned to either one of three experimental conditions or to a control condition. Participants were counselled accordingly, receiving either stage-oriented exercise materials with counselling (stage plus counselling), stage-oriented materials without counselling (stage no counselling), non-staged materials with counselling (counselling only) or the current level of advice (control). Sixty-one percent (n = 180) returned follow-up questionnaires. When baseline differences in self-efficacy, age and gender were controlled for, there was no significant group or interaction effect for stage. There was a significant time effect (F = 3.55, P = 0.031). Post hoc analyses showed that significant differences were between baseline and 2 (t = -3.02, P = 0.003) and 6 months (t = -2.67, P = 0.009). No changes in self-efficacy and exercise levels were observed. Stage-based interventions were not superior to the other interventions. All single-contact interventions, while having no impact on exercise behaviour and self-efficacy, did enhance motivation to change.
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