Table 1. Comparisons of Sociodemographic characteristics and Abstinence Duration between Formaldehyde occupational exposure group and reference group.
| Characteristics | Reference group (n = 76) | FA exposure group (n = 114) | P |
|---|---|---|---|
| Age (years) | 29.26 ± 3.51 | 29.84 ± 4.06 | 0.293 |
| Employment duration (years) | 5.37 ± 1.83 | 6.11 ± 1.45 | 0.132 |
| BMI (kg/m2) | 23.88 ± 1.32 | 24.09 ± 1.78 | 0.617 |
| Education level | 0.174 | ||
| Low(<6 years) | 19(23.5%) | 40(32.2%) | |
| High(≧6 years) | 62(76.5%) | 84(67.8%) | |
| Income (RMB/per month) | 1814.20 ± 680.59 | 1733.87 ± 608.86 | 0.379 |
| Cigarette intake | 0.348 | ||
| Low (no smoking) | 13(16.1%) | 15(12.1%) | |
| Moderate(<10 Cigarettes/day) | 63(77.8%) | 105(84.7%) | |
| High (≧10 Cigarettes/day) | 5(6.1%) | 4(3.2%) | |
| Alcohol consumption | 0.709 | ||
| Low (no drinking) | 38(39.3%) | 46(36.1%) | |
| Moderate(<1000g/day) | 56(57.6%) | 73(58.3%) | |
| High (≧1000g/day) | 3(3.1%) | 7(5.6%) | |
| Duration of abstinence | 3.97 ± 1.51 | 4.13 ± 1.59 | 0.930 |
BMI: Body mass index.