Characteristics of the study population at baseline (N=394)
| Variable | |
| Age (years±SD) | 54.0±5.4 |
| Men, n (%) | 196 (49.7) |
| Smoking, n (%) | |
| Never | 216 (54.8) |
| Ex | 147 (37.3) |
| Current | 31 (7.9) |
| Work grade, n (%) | |
| Lowest | 81 (20.6) |
| Intermediate | 155 (39.3) |
| Highest | 158 (40.1) |
| Highest educational qualification, n (%) | |
| None | 31 (7.9) |
| O-level/A-level | 219 (55.6) |
| Degree or higher | 144 (36.5) |
| Self-reported MVPA (MET-h/week) | 34.1±18.6 |
| Self-reported sitting at home (h/week) | 6.8±2.6 |
| BMI category, n (%) | |
| Normal weight (<25 kg/m2) | 230 (58.4) |
| Overweight (25 to <30 kg/m2) | 144 (36.5) |
| Obese (≥30 kg/m2) | 20 (5.1) |
BMI, body mass index; MET, metabolic equivalent of task; MVPA, moderate-to-vigorous physical activity.