Table 1 Definitions of variables (N = 9,342)
From: Association between personality traits and smoking cessation among Chinese adults
Variable | Description | Mean (SD) | % |
|---|---|---|---|
Successful smoking cessation | 1 if the individual was smoke free for at least 12 months; 0 otherwise | Â | 7.10 |
Personality traits | Â | Â | Â |
 Neuroticism | Average of the scores for neuroticism, ranging from 1 (strongly disagree) to 5 (strongly agree) | 2.86 (0.73) |  |
 Extraversion | Average of the scores for extraversion, ranging from 1 (strongly disagree) to 5 (strongly agree) | 3.40 (0.71) |  |
 Openness to experience | Average of the scores for openness to experience, ranging from 1 (strongly disagree) to 5 (strongly agree) | 3.22 (0.87) |  |
 Agreeableness | Average of the scores for agreeableness, ranging from 1 (strongly disagree) to 5 (strongly agree) | 3.79 (0.62) |  |
 Conscientiousness | Average of the scores for conscientiousness, ranging from 1 (strongly disagree) to 5 (strongly agree) | 3.87 (0.66) |  |
Sex | 1 if the individual was male; 0 for female | Â | 93.76 |
Age | Continuous variable, actual age in years | 47.59 (0.16) | Â |
Age of smoking initiation | Continuous variable, age at first puff | 20.65 (6.59) | Â |
Place of residence | 1 if rural resident; 0 for urban resident | Â | 50.63 |
Educational attainment | Â | Â | Â |
 Illiterate/Semiliterate | 1 if the individual was illiterate or semiliterate; 0 otherwise |  | 17.87 |
 Elementary school | 1 if the individual attended elementary school; 0 otherwise |  | 22.04 |
 Middle school | 1 if the individual graduated from middle school; 0 otherwise |  | 33.01 |
 High school | 1 if the individual graduated from high school; 0 otherwise |  | 17.30 |
 > 3-years of college | 1 if the individual completed more than three years of college; 0 otherwise |  | 9.78 |
Married | 1 if the individual was married; 0 otherwise | Â | 80.31 |
No insurance | 1 if the individual did not have medical insurance; 0 otherwise | Â | 8.27 |
Household income | Continuous variable, net household income (×10,000 yuan) | 9.51 (17.65) |  |
Self-rated health status | Â | Â | Â |
 Poor | 1 if the individual reported a poor health status; 0 otherwise |  | 13.44 |
 Fair | 1 if the individual reported a fair health status; 0 otherwise |  | 12.55 |
 Good | 1 if the individual reported an excellent, very good, or good health status; 0 otherwise |  | 74.01 |
Chronic conditions | 1 if the individual had doctor-diagnosed chronic diseases in the past six months; 0 otherwise | Â | 13.98 |