| Table 1: Characteristics of the exposed and unexposed groups. Values are either mean (SD) or median (IQR). | ||||
| Variables | Exposed group (n=60) | Unexposed group (n=45) | p value | |
| Age (yrs) | 35.5 (10.4) | 36.3 (9.2) | 0.13 | |
| Height (cm) | 170 (6.0) | 168 (4.3) | 0.52 | |
| Weight (kg) | 72.3 (11.0) | 77.5 (7.0) | 0.20 | |
| Work experience (yrs) | 10 (7 to 14) | 12 (8 to 15) | 0.07 | |
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