| Body mass index (kg/m2) | Total(n = 16 875) | |||||||
| <20.0(n = 317) | 20.0–22.4(n = 1811) | 22.5–24.9(n = 4052) | 25.0–27.4(n = 4871) | 27.5–29.9(n = 3260) | 30.0–34.9(n = 2221) | ⩾35.0(n = 343) | ||
| Mean age (SD) | 37.7 (10.6) | 36.9 (10.3) | 39.4 (10.4) | 42.4 (10.3) | 44.7 (9.9) | 45.3 (9.6) | 45.6 (9.5) | 41.9 (10.5) |
| Job title/occupational class | ||||||||
| Unskilled worker/labourer | 20% | 16% | 14% | 13% | 14% | 14% | 19% | 14% |
| Plumber | 16% | 15% | 16% | 16% | 14% | 12% | 12% | 15% |
| Carpenter | 10% | 14% | 14% | 13% | 12% | 13% | 12% | 13% |
| Painter | 25% | 17% | 17% | 15% | 14% | 12% | 9% | 15% |
| Plasterer | 9% | 11% | 9% | 10% | 11% | 13% | 11% | 11% |
| Bricklayer | 20% | 27% | 28% | 32% | 35% | 35% | 36% | 31% |
| Nationality | ||||||||
| German | 76% | 76% | 77% | 77% | 75% | 75% | 79% | 76% |
| Other | 24% | 24% | 23% | 23% | 25% | 25% | 21% | 24% |
| Smoking* | ||||||||
| Never | 11% | 17% | 23% | 27% | 26% | 26% | 25% | 24% |
| Former | 9% | 7% | 13% | 18% | 25% | 25% | 23% | 18% |
| Current | 80% | 76% | 63% | 55% | 49% | 49% | 53% | 58% |
| Comorbidity (age adjusted prevalence)† | ||||||||
| Musculoskeletal disorders | 38% | 43% | 43% | 44% | 44% | 45% | 41% | 44% |
| Osteoarthritis | 3% | 6% | 6% | 7% | 8% | 9% | 9% | 7% |
| Back problems | 25% | 27% | 29% | 30% | 30% | 31% | 28% | 29% |
| Liver/bile/pancreas disorders | 12% | 11% | 10% | 12% | 16% | 20% | 21% | 13% |
| Diabetes mellitus | 4% | 3% | 3% | 4% | 5% | 7% | 12% | 5% |
| Cardiovascular disease | 25% | 23% | 23% | 28% | 35% | 47% | 63% | 31% |
| Chronic respiratory diseases | 15% | 11% | 8% | 6% | 6% | 6% | 7% | 7% |
| Gastrointestinal disorders | 9% | 10% | 6% | 5% | 5% | 4% | 3% | 5% |
| Mental disorders | 13% | 9% | 6% | 4% | 4% | 4% | 3% | 5% |
| Without any recorded comorbidity | 11% | 13% | 12% | 9% | 7% | 3% | 1% | 9% |
*Information regarding smoking status was missing in 2666 cases (16%); †prevalence adjusted to the age distribution in the entire cohort by the direct method; musculoskeletal disorders, ICD-9: 710–739; liver/bile/pancreas disorders, ICD-9: 570–577; diabetes mellitus, ICD-9: 250; cardiovascular disease, ICD-9: 390–459; chronic respiratory diseases, ICD-9: 491–505; gastrointestinal disorders, ICD-9: 530–537, 578, 579; mental disorders, ICD-9: 290–319.