Table 3.
Differences between successful quitters and nonquitters according to personality traits and age of smoking initiation
| Successful smoking cessation | ||
|---|---|---|
| Yes (N = 663) | No (N = 8,679) | |
| Personality traits | ||
| Neuroticism (mean ± SD) | 2.85 ± 0.75 | 2.86 ± 0.73 |
| Extraversion (mean ± SD)** | 3.34 ± 0.70 | 3.40 ± 0.71 |
| Openness to experience (mean ± SD) | 3.22 ± 0.90 | 3.22 ± 0.87 |
| Agreeableness (mean ± SD) | 3.77 ± 0.62 | 3.79 ± 0.62 |
| Conscientiousness (mean ± SD)** | 3.82 ± 0.72 | 3.87 ± 0.65 |
| Age of smoking initiation (mean ± SD) | 20.26 ± 6.79 | 20.69 ± 6.57 |
Note: Two-sample t test, **significantly different (P < 0.05)