Table 1.
Descriptive characteristics of the sample.
| Characteristics (n = 19,716) | ||
|---|---|---|
| Sex | n (%) | |
| Men | 9434 (47.8) | |
| Women | 10,282 (52.2) | |
| Chronic low back pain | n (%) | |
| Yes | 3602 (18.3) | |
| No | 16,114 (81.7) | |
| BMI | n (%) | |
| Underweight | 382 (1.9) | |
| Normal | 8467 (42.9) | |
| Overweight | 7688 (39.0) | |
| Obese | 3179 (16.1) | |
| Physical activity during occupational activities | n (%) | |
| Sitting for most of the day | 7596 (38.5) | |
| Standing for most of the day | 8702 (44.1) | |
| Walking, carrying some weight, frequent displacements | 2542 (12.9) | |
| Tasks requiring high physical demand | 876 (4.4) | |
| Physical activity in leisure time | n (%) | |
| Almost exclusively sedentary | 7138 (36.2) | |
| Occasional physical or sporting activity | 7538 (38.2) | |
| Physical activity several times a month | 2005 (10.2) | |
| Physical activity several times a week | 3035 (15.4) | |
| Median | Q1–Q3 | |
| Age (years) | 53.0 | 40.0–67.0 |