Self-efficacy and social support as predictors of smoking after a quit attempt

David J. Kavanagh*, John Pierce, Sing Kai Lo, Julia Shelley

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

25 Scopus citations


The current study examined self-efficacy and social support as predictors of maintenance after an attempt to stop smoking. As in previous studies, self-efficacy at the end of treatment was a significant predictor of reported smoking during the follow-up period. At 3 months after treatment the prediction from self-efficacy was weaker than a prediction from the level of post-treatment smoking. However at 10 months self-efficacy was the strongest predictive variable assessed in the study. In contrast, social support for the quit attempt was not a significant predictor of maintenance at any stage. The results provided qualified support for the contention that self-efficacy can often be a more powerful predictor than previous performance attainments, especially under conditions of greater situational change.

Original languageEnglish
Pages (from-to)231-242
Number of pages12
JournalPsychology & Health
Issue number4
StatePublished - 01 05 1993
Externally publishedYes


  • Smoking
  • prediction
  • self-efficacy
  • social support


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