Table 5 Multiple linear regression showing DLEC1 promoter methylation in relation to regular exercise habits and PM2.5 quartiles
From: PM2.5 exposure and DLEC1 promoter methylation in Taiwan Biobank participants
Variables | β(× 10−3) | p value |
|---|---|---|
Regular outdoor exercise, PM2.5 (reference: No regular outdoor exercise, PM2.5 ≥ 38.73) | ||
 No regular outdoor exercise, 31.82 ≤ PM2.5 < 38.73 | 2.150 | 0.198 |
 No regular outdoor exercise, 27.37 ≤ PM2.5 < 31.82 | 0.136 | 0.934 |
 No regular outdoor exercise, PM2.5 < 27.37 | − 0.808 | 0.634 |
 Regular outdoor exercise, PM2.5 ≥ 38.73 | 1.310 | 0.444 |
 Regular outdoor exercise, 31.82 ≤ PM2.5 < 38.73 | 0.570 | 0.750 |
 Regular outdoor exercise, 27.37 ≤ PM2.5 < 31.82 | 0.410 | 0.827 |
 Regular outdoor exercise, PM2.5 < 27.37 | − 5.160 | 0.007 |
 SO2 | 0.209 | 0.544 |
 CO | − 6.270 | 0.379 |
 O3 | − 0.010 | 0.964 |
 NOX | 0.038 | 0.759 |
Sex (reference: Women) | ||
 Men | 0.652 | 0.490 |
 Age | − 0.207 | < 0.001 |
Cigarette smoking (reference: Never) | ||
 Former | 1.470 | 0.274 |
 Current | 2.340 | 0.123 |
Alcohol drinking (reference: Never) | ||
 Former | − 3.390 | 0.174 |
 Current | 1.690 | 0.336 |
Betel nut chewing (reference: Never) | ||
 Former | − 1.820 | 0.459 |
 Current | − 4.270 | 0.145 |
BMI (reference: Normal) | ||
 Underweight | − 1.070 | 0.620 |
 Overweight | − 0.264 | 0.791 |
 Obesity | 1.620 | 0.143 |
Secondhand smoke exposure (reference: No) | ||
 Yes | − 0.309 | 0.826 |