Key result
Brief motivational intervention improves CR participation regardless of baseline depressed mood.
Why the study?
Depressive symptoms are associated with poor participation in cardiac rehabilitation, raising the question of whether they moderate the impact of a brief motivational intervention on rehabilitation perceptions and utilization.
Do baseline depressive symptoms moderate the impact of a brief motivational intervention on cardiac rehabilitation perceptions and utilization in referred patients?
RCT (n=96)
Do baseline depressive symptoms moderate the impact of a brief motivational intervention on cardiac rehabilitation perceptions and utilization in referred patients?
p-value: p=>0.05
A brief motivational intervention improves cardiac rehabilitation participation outcomes regardless of baseline depressed mood, highlighting its broad utility in this population.
Supports broad use of brief motivational intervention in cardiac rehab referrals irrespective of mood; extends RCT evidence by confirming lack of moderation by depression.
OBJECTIVES: Depressive symptoms are associated with poor participation in cardiac rehabilitation (CR). We investigated if depressive symptoms moderate the impact of a brief motivational intervention on CR perceptions and utilization. METHODS: In this secondary analysis of a randomized controlled trial of motivational interviewing with patients referred to CR (N = 96; 31 % with baseline depressive symptoms; Center for Epidemiologic Studies Depression Scale 10 [CESD-10] >10), regression models tested intervention allocation × CESD-10 interactions on CR attendance/enrollment, intention to attend CR, beliefs and attitudes about CR, barriers, illness perceptions, social support, and exercise self-efficacy. RESULTS: Depressive symptoms were associated with concerns about exercise (p = 0.005), CR barriers (p = 0.042), more threatening illness perceptions (p = 0.001), and lower social support (p < 0.001). CESD-10 scores did not independently moderate intervention outcomes (p > 0.05). There was a three-way intervention × CESD-10 × income effect for perceived CR suitability (adjusted b=0.39, p = 0.007). Depressive symptoms did not influence intervention acceptability (p > 0.05). CONCLUSIONS AND PRACTICE IMPLICATIONS: A brief behaviour change intervention improved CR participation outcomes regardless of depressed mood. Strategies to increase CR adherence should address the interplay of socioeconomic and psychosocial barriers.
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Tanaka et al. (2025) conducted an RCT in Patients referred to cardiac rehabilitation (n=96). Brief motivational intervention was evaluated on Intervention allocation × CESD-10 interactions on CR attendance/enrollment and perceptions (p=>0.05). A brief motivational intervention improved cardiac rehabilitation participation outcomes regardless of baseline depressed mood (p > 0.05 for moderation).
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