"I Don't Need a Flu Shot Because I Lead a Healthy Lifestyle": Compensatory Health Beliefs Make Vaccination Less Likely.

Freie Universität Berlin, Germany.
Journal of Health Psychology (Impact Factor: 1.88). 09/2012; 18(6). DOI: 10.1177/1359105312455076
Source: PubMed

ABSTRACT Compensatory health beliefs, a self-defence strategy, were examined in a theory-guided intervention promoting influenza vaccination at the workplace. In total, 851 employees were randomised to one group aimed at enhancing intention formation (standard group) or to another one assisting self-regulation (intervention group). Assessments took place after the intervention and 5 months later, investigating whether the intervention would interfere with compensatory health beliefs. The intervention generated an indirect effect via planning on vaccination. Compensatory health beliefs mediated between intention and behaviour. An interaction between intervention group and compensatory health beliefs on behaviour transpired. At low compensatory health belief levels, the intervention group resulted in more vaccinations than the standard group.

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    ABSTRACT: Purpose: In the context of worksite influenza vaccination programmes, social support, action planning and perceived self-efficacy were examined as predictors of participation. Mechanisms among these predictors were analysed by applying the enabling effect model to vaccination. Moreover, this model was extended by the inclusion of planning. Methods: In a large German company, a survey on influenza vaccination was launched with 200 employees taking part in the five-month follow-up. Using regression procedures, a sequential mediation model was examined, leading from social support via self-efficacy and planning to vaccination behaviour. Results: The three predictors jointly accounted for 47% of the vaccination participation variance. The enabling effect model was confirmed, highlighting how social support may promote self-efficacy beliefs. Further analysis yielded the extended model, revealing planning as a mediator between self-efficacy and subsequent behaviour while the indirect path from social support via self-efficacy to behaviour remained. Conclusions: Multiple step mediation analysis underscored the relevance of social support and self-efficacy. It also revealed planning as a proximal factor that may facilitate participation in a worksite influenza vaccination programme.
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