Table 1 Demographic and lifestyle characteristics
|  | 1-week ROS (n = 49) | 4-month ROS (n = 352) | p |
|---|---|---|---|
Age, years (SD) | 50.3 (6.9) | 48.2 (8.6) | 0.0521 |
BMI, kg/m2(SD) | 26.8 (3.1) | 27.4 (3.7) | 0.2301 |
 ≥ 25, n (%) | 37 (75.5%) | 256 (72.7%) | 0.6812 |
Partnership, n (%) | 48 (98.0%) | 322 (91.5%) | 0.1112 |
 Working partner, n (%) | 34 (70.8%) | 183 (56.8%) | 0.0662 |
 Working hours/week (SD) | 27.4 (11.0) | 27.9 (13.0) | 0.8111 |
Children younger than 6 years, n (%) | 28 (57.1%) | 180 (51.1%) | 0.4302 |
Lifestyle parameter | |||
 Smoking, n (%) | |||
  Current smoker | 7 (14.3%) | 66 (18.8%) | 0.5382 |
  Ex-smoker | 20 (40.8%) | 155 (44.0%) | |
  Never smoker | 22 (44.9%) | 131 (37.2%) | |
 Regular sport exercises, n (%) | 14 (28.6%) | 113 (32.1%) | 0.6192 |
  During working period, mean h/week (SD) | 4.7 (3.6) | 4.2 (2.0) | 0.6321 |
  During holidays, mean h/week (SD) | 7.1 (5.3) | 6.0 (3.6) | 0.4591 |