Table 2. Number of pain regions according to general and job-related characteristics.
| Variables | N | M±SD |
|---|---|---|
| Age (years) | ||
| ≤25 | 185 | 4.36±2.53 |
| 26–30 | 122 | 4.22±2.72 |
| >30 | 94 | 3.79±2.56 |
| Career (years) | ||
| ≤3 | 180 | 4.24±2.51 |
| 4–6 | 80 | 4.16±2.80 |
| 7–9 | 59 | 4.49±2.57 |
| >9 | 82 | 3.84±2.56 |
| Height (cm) | ||
| <160 | 98 | 4.50±2.46 |
| 160–165 | 173 | 3.96±2.74 |
| >165 | 130 | 4.24±2.50 |
| Weight (kg) | ||
| <50 | 107 | 4.33±2.51 |
| 50–55 | 193 | 4.23±2.73 |
| >55 | 101 | 3.93±2.45 |
| Working days/week | ||
| ≤ 5 | 250 | 4.10±2.57 |
| >5 | 151 | 4.32±2.66 |
| Working hours/day | ||
| ≤8 | 167 | 3.91±2.69 |
| >8 | 234 | 4.38±2.53 |
| Physical strain* | ||
| Never | 15 | 2.80±2.11a |
| Little | 164 | 4.00±2.67ab |
| Moderate | 169 | 3.93±2.48ab |
| Severe | 53 | 5.94±2.24b |
| Average value | 401 | 4.18±2.06 |
* < 0.05. abThe same characters was not significant by Bonferroni’s multiple comparisons at α =0.05