Table 4.
Multiple linear regression showing beta coefficients of SOX2 promoter methylation in women
| Variable | β | P value |
|---|---|---|
| Area (northern: reference) | ||
| Central and southern | 0.00514 | < .0001 |
| Age | 0.00028 | < .0001 |
| Exposure to SHS (no: reference) | ||
| Yes | 0.00161 | 0.3697 |
| Exercise (no: reference) | ||
| Yes | − 0.00100 | 0.3944 |
| Drinking (never: reference) | ||
| Former | − 0.00513 | 0.5870 |
| Current | − 0.00261 | 0.6142 |
| Body fat (%) | − 0.00019 | 0.4164 |
| BMI (kg/m2) | 0.00028 | 0.5265 |
| Waist-hip ratio | − 0.01242 | 0.1891 |
| Asthma | 0.00005 | 0.9830 |
| Emphysema | − 0.00025 | 0.9350 |