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Addictive behaviors

Belief incongruence and the intention-behavior gap in persons with at-risk alcohol use.


PMID 25930010

Abstract

When intentions are expressed, e.g., when filling in a health questionnaire, people may have unrealistic beliefs towards behavior change resulting in strong intentions to change. These may fail to correspond to reality when the behavior actually should be performed. Belief incongruence was tested as a possible source of the intention-behavior gap. The study sample consisted of 433 job agency clients with at-risk alcohol use (64% men, mean age=30.6 (SD=11.6) years). Behavioral, normative, and control beliefs, intention, and alcohol use were assessed at baseline and three months later. The influence of belief incongruence on the intention-behavior gap was examined using latent interaction models. The gap between stated intentions and at-risk alcohol use three months later was larger when the according normative beliefs were incongruent (total effect: b=-0.44, p<0.05 for persons with congruent beliefs vs. b=-0.06, p>0.10 for persons with incongruent beliefs). When controlling for the mediating effect of changes in intentions, the association between belief incongruence and intention-behavior gap was attenuated (direct effect: b=-0.56, p<0.01 for persons with congruent beliefs vs. b=-0.28, p<0.05 for persons with incongruent beliefs). Neither behavioral belief incongruence nor control belief incongruence was significantly associated with the intention-behavior gap. Normative belief incongruence may contribute to the gap between intentions to adhere to recommended drinking limits and subsequent at-risk alcohol use. Focusing on the reduction of misperceptions about drinking norms could help to increase the proportion of persons who succeed in translating their intentions into behavior.

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185213
1,1,4,4-Tetraphenyl-1,3-butadiene, suitable for scintillation, ≥99%
C28H22