Baseline characteristics of the study population (n=328 743)
| n | % | |
| Age (years) | ||
| 15–34 | 206 875 | 62.9 |
| 35–49 | 84 867 | 25.8 |
| 50–64 | 37 001 | 11.3 |
| BMI category | ||
| Healthy weight (18.5–24.9 kg/m2) | 217 972 | 66.3 |
| Overweight (25.0–29.9 kg/m2) | 96 452 | 29.3 |
| Obesity (≥30.0 kg/m2) | 14 319 | 4.4 |
| Smoking* | ||
| Never smoker at enrolment | 134 426 | 43.7 |
| Former smoker at enrolment | 48 106 | 15.6 |
| Smoker at enrolment | 124 891 | 40.6 |
| Physical workload | ||
| Low | 48 267 | 14.7 |
| Intermediate | 91 888 | 28.0 |
| High | 188 588 | 57.4 |
| Disability benefits during follow-up | 61 176 | 18.6 |
| Diagnosis: CVD within total disability | 8472 | 13.8 |
| Diagnosis: MSD within total disability | 30 675 | 50.1 |
| Diagnosis: mental disorder within total disability | 6136 | 10.0 |
| Diagnosis: other within total disability | 15 893 | 26.0 |
*n=21 320 had no information on smoking status at baseline.
BMI, body mass index; CVD, cardiovascular disease; MSD, musculoskeletal diseases.