Predictors of physical activity (in counts per minute) at follow-up (N=394)
| Variable | N | Multivariate adjusted β (95% CI) |
| Age, years | ||
| <50 | 128 | Ref |
| 50–55 | 138 | −30.8 (−62.7 to 1.2) |
| >55 | 128 | −82.1 (−115.3 to −88.8) |
| p Value | <0.001 | |
| Sex | ||
| Men | 196 | Ref |
| Women | 198 | −10.6 (−37.6 to 16.4) |
| p Value | 0.44 | |
| Self-reported MVPA quartile | ||
| Lowest (<20 MET-h/week) | 100 | Ref |
| Low–moderate (20–30 MET-h/week) | 93 | 33.6 (−3.3 to 70.5) |
| Moderate–high (31–43 MET-h/week) | 99 | 55.7 (18.4 to 93.0) |
| Highest (>43 MET-h/week) | 102 | 64.1 (26.2 to 102.1) |
| p Value | 0.005 | |
| Smoking status | ||
| Never smoked | 216 | Ref |
| Ex-smoker | 147 | −5.6 (−33.2 to 22.0) |
| Current smoker | 31 | −25.7 (−77.3 to 26.0) |
| p Value | 0.61 | |
| BMI category | ||
| Normal weight (<25 kg/m2) | 230 | Ref |
| Overweight (25 to <30 kg/m2) | 144 | −37.9 (−65.4 to −10.4) |
| Obese (≥30 kg/m2) | 20 | −62.7 (−102.8 to −2.6) |
| p Value | 0.008 | |
| Work grade | ||
| Lowest | 81 | Ref |
| Intermediate | 155 | −15.8 (−31.7 to 31.5) |
| Highest | 158 | −13.8 (−55.2 to 27.6) |
| p Value | 0.77 | |
| Highest educational qualification | ||
| None | 31 | Ref |
| O-level/A-level | 219 | 44.9 (–9.9 to 99.7) |
| Degree or higher | 144 | 73.9 (12.7 to 135.0) |
| p Value | 0.04 | |
| SF-36 General health perception | ||
| Lowest (<67) | 113 | Ref |
| Low–moderate (67–77) | 115 | −12.0 (−46.3 to 22.2) |
| Moderate (77–87) | 86 | 17.3 (–19.9 to 54.6) |
| High (>87) | 80 | 41.9 (2.7 to 81.1) |
| p Value | 0.04 | |
Data are presented as unstandardised coefficients. p Values reflect p value for trend.
Model adjusted for age and mutually for all presented variables.
BMI, body mass index; MET, metabolic equivalent of task; MVPA, moderate-to-vigorous physical activity; SF-36, Short-Form 36 Health Survey.