Table 5 Multiple linear regression showing the association between mean PM2.5 (μg/m3) from 2006 to 2011 and SOX2 promoter methylation
From: SOX2 promoter hypermethylation in non-smoking Taiwanese adults residing in air pollution areas
Variable | β | P value |
|---|---|---|
PM2.5 (μg/m3) | 0.00042 | < .0001 |
Sex (women: reference) | ||
Men | 0.00144 | 0.4793 |
Age | 0.00028 | < .0001 |
Exposure to SHS (no: reference) | ||
Yes | 0.00142 | 0.3030 |
Exercise (no: reference) | ||
Yes | − 0.00145 | 0.1062 |
Drinking (never: reference) | ||
Former | − 0.00319 | 0.4290 |
Current | − 0.00074 | 0.7543 |
Body fat (%) | − 0.00030 | 0.0513 |
BMI (kg/m2) | 0.00047 | 0.0854 |
Waist-hip ratio | − 0.00411 | 0.6063 |
Asthma | − 0.00153 | 0.4076 |
Emphysema | − 0.00073 | 0.7800 |