Table 1 Demographic and lifestyle characteristics of participants, Palermo, Italy
| Subjects | ||
|---|---|---|
| Number | Percentage | |
| Age (yr) | ||
| < 18 | 23 | 11.1% |
| 18-30 | 136 | 65.7% |
| > 30 | 48 | 23.2% |
| Mean (SD) | 26,3 ± 9,1 yr | |
| Education (yr) | ||
| ≤5 | 2 | 1.0% |
| 8 | 49 | 23.7% |
| 13 | 112 | 54.1% |
| > 13 | 44 | 21.3% |
| Gender † | ||
| Female | 80 | 38.6% |
| Male | 127 | 61.4% |
| Body mass index | ||
| < 25 kg/m2 | 149 | 71.9% |
| 25 ≤ 30 kg/m2 | 51 | 24.6% |
| ≥ 30 kg/m2 | 7 | 3.5% |
| Activity at work | ||
| Heavy manual work | 54 | 26.1% |
| Manual work | 56 | 27.1% |
| Standing | 72 | 34.8% |
| Sedentary | 25 | 12.1% |
| Recreational activity | ||
| Yes | 93 | 44.9% |
| No | 114 | 55.1% |