Associations between lifestyle factors and likelihood of low work ability (n=10 355)
| Model 1 | ORcrude | ORadj1* | ORadj2† |
| Diet | |||
| Healthy (ref.) | 1.0 | 1.0 | 1.0 |
| Average | 1.2 (1.03 to 1.3) | 1.1 (0.98 to 1.3) | 1.1 (0.98 to 1.3) |
| Unhealthy | 1.4 (1.2 to 1.7) | 1.3 (1.1 to 1.6) | 1.3 (1.02 to 1.5) |
| Physical activity | |||
| Active (ref.) | 1.0 | 1.0 | 1.0 |
| Inactive | 1.6 (1.4 to 1.8) | 1.4 (1.3 to 1.6) | 1.4 (1.2 to 1.6) |
| BMI (kg/m2) | |||
| Normal weight (ref.) | 1.0 | 1.0 | 1.0 |
| Underweight (BMI <18.5) | 1.5 (0.91 to 2.4) | 1.4 (0.86 to 2.2) | 1.3 (0.82 to 2.2) |
| Overweight (BMI 25-29.9) | 1.2 (1.01 to 1.3) | 1.1 (0.97 to 1.3) | 1.1 (0.97 to 1.3) |
| Obesity (BMI ≥30) | 1.6 (1.4 to 1.9) | 1.5 (1.3 to 1.8) | 1.5 (1.3 to 1.7) |
| Smoking status | |||
| Never smoked (ref.) | 1.0 | 1.0 | 1.0 |
| Former smoker | 1.4 (1.2 to 1.6) | 1.4 (1.2 to 1.6) | 1.2 (1.1 to 1.4) |
| Current smoker | 1.6 (1.4 to 1.9) | 1.5 (1.3 to 1.8) | 1.3 (1.2 to 1.5) |
| Model 2 | ORcrude | ORadj2† | |
| Lifestyle risk index | |||
| Low-risk score (0–0.5) | 1.0 | 1.0 | |
| Moderate-risk score (1–1.5) | 1.4 (1.2 to 1.7) | 1.3 (1.1 to 1.6) | |
| High-risk score (2–2.5) | 2.2 (1.8 to 2.5) | 1.9 (1.6 to 2.2) | |
| Very high risk score (3–4) | 2.8 (2.3 to 3.5) | 2.4 (1.9 to 3.0) |
*Adjusted for other lifestyle factors.
†Adjusted for other lifestyle factors, gender, age, educational level and occupational group.
BMI, body mass index.