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Theory of planned behavior and smoking: meta-analysis and SEM model

Authors Topa G, Moriano Leon JA

Published 6 December 2010 Volume 2010:1 Pages 23—33


Review by Single anonymous peer review

Peer reviewer comments 3

Gabriela Topa, Juan Antonio Moriano
Department of Social and Organizational Psychology, UNED, Madrid, Spain

Abstract: To examine if the theory of planned behavior (TPB) predicts smoking behavior, 35 data sets (N = 267,977) have been synthesized, containing 219 effect sizes between the model variables, using a meta-analytic structural equation modeling approach (MASEM). Consistent with the TPB's predictions, 1) smoking behavior was related to smoking intentions (weighted mean r = 0.30), 2) intentions were based on attitudes (weighted mean r = 0.16), and subjective norms (weighted mean r = 0.20). Consistent with TPB's hypotheses, perceived behavioral control was related to smoking intentions (weighted mean r = -0.24) and behaviors (weighted mean r = -0.20) and it contributes significantly to cigarette consumption. The strength of the associations, however, was influenced by the characteristics of the studies and participants.

Keywords: theory of planned behavior, smoking, meta-analysis, structural equation modeling

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