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Published on: August 6, 2013
Personality and smoking status: a longitudinal analysis
Marcus R Munafò1, Stephanie Black
1Department of Experimental Psychology, University of Bristol, Bristol, United Kingdom. marcus.munafo@bristol.ac.uk
Summary
Higher levels of extraversion and neuroticism in adolescence are linked to increased odds of adult smoking. These personality traits, along with male sex, predict adult smoking status in a large UK cohort.
Area of Science:
- Psychology
- Public Health
- Epidemiology
Background:
- Understanding the predictors of smoking behavior is crucial for public health interventions.
- Longitudinal studies are essential for establishing temporal relationships between personality traits and smoking habits.
Purpose of the Study:
- To investigate the association between personality traits (extraversion, neuroticism) and smoking status in early and middle adulthood.
- To examine the influence of sex and age on this relationship over time.
Main Methods:
- Analysis of data from the Medical Research Council National Survey of Health and Development (N=5,362).
- Utilized generalized estimating equations to analyze longitudinal smoking status.
- Personality traits were assessed at age 16.
Main Results:
- Increased extraversion and neuroticism scores at age 16 were significantly associated with higher odds of being a current smoker in adulthood.
- Males were more likely to be current smokers than females.
- Smoking prevalence decreased with increasing age, suggesting cessation attempts.
Conclusions:
- Early-life personality traits, specifically extraversion and neuroticism, are independent predictors of adult smoking.
- Sex and age are also significant factors influencing smoking status throughout adulthood.
- Findings highlight potential targets for early intervention in smoking cessation programs based on personality profiling.
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