Differential effects of self-efficacy and perceived behavioural control on intention to perform skin cancer related health behaviours.

This source preferred by Kevin Thomas

Authors: Pertl, M., Hevey, D., Thomas, K., Craig, A., Ni Chuinneagain, S. and Maher, L.

http://her.oxfordjournals.org/cgi/reprint/cyq031v1?ijkey=1aJhxcrtzijwzER&keytype=ref

Journal: Health Education Research

Volume: 25

Pages: 769-779

ISSN: 0268-1153

DOI: 10.1093/her/cyq031

Previous research using the Theory of Planned Behaviour (TPB) for predicting skin cancer related health behaviours has not adequately incorporated empirical advances in the conceptualization of the perceived behavioural control (PBC) component of the theory. This study examined the role of self-efficacy and controllability for predicting sunscreen and sunbed use intentions. Five hundred and ninety young adults completed a questionnaire on beliefs and intentions regarding sunscreen and sunbed use. Analysis using confirmatory factor analysis and multiple regression supported a conceptual distinction between two PBC subcomponents: controllability and self-efficacy. While self-efficacy - but not controllability - emerged as a significant predictor of intentions to use sunscreen, the opposite pattern was observed for the prediction of intentions to use sunbeds, whereby lower controllability beliefs were associated with higher intentions. Campaigns aimed at influencing health behaviours should consider the differential effects of the components of perceived control.

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