Education and Smoking: Confounding or Effect Modification by Phenotypic Personality Traits?
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Author
Chapman, Benjamin
Fiscella, Kevin
Duberstein, Paul
Kawachi, Ichiro
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https://doi.org/10.1007/s12160-009-9142-3Metadata
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Chapman, Benjamin, Kevin Fiscella, Paul Duberstein, and Ichiro Kawachi. 2009. “Education and Smoking: Confounding or Effect Modification by Phenotypic Personality Traits?” Annals of Behavioral Medicine 38 (3): 237–48. https://doi.org/10.1007/s12160-009-9142-3.Abstract
Background Little is known about whether educational gradients in smoking patterns can be explained by financial measures of socioeconomic status (SES) and/or personality traits.Purpose To assess whether the relationship of education to (1) never smoking and (2) having quit smoking would be confounded by financial measures of SES or by personality; whether lower Neuroticism and higher Conscientiousness would be associated with having abstained from or quit smoking; and whether education effects were modified by personality.Method Using data from the Midlife Development in the US National Survey, 2,429 individuals were classified as current (n=695), former (n=999), or never (n=735) smokers. Multinomial logistic regressions examined study questions.Results Greater education was strongly associated with both never and former smoking, with no confounding by financial status and personality. Never smoking was associated with lower Openness and higher Conscientiousness, while have quit was associated with higher Neuroticism. Education interacted additively with Conscientiousness to increase and with Openness to decrease the probability of never smoking.Conclusions Education and personality should be considered unconfounded smoking risks in epidemiologic and clinical studies. Educational associations with smoking may vary by personality dispositions, and prevention and intervention programs should consider both sets of factors.Terms of Use
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