Demographic characteristics of the three studied groups
| Characteristics (all, n = 5638) | Excellent work ability n = 751 | “Middle” work ability (comparison group) n = 4030 | Poor work ability n = 857 |
|---|---|---|---|
| *Control variable. | |||
| †Statistically significant test of 95% confidence interval for the difference between the proportions of the excellent and poor work ability groups. | |||
| ‡Statistically significant test of 95% confidence interval for the difference between the mean values of the excellent and poor work ability groups. | |||
| Sex* | |||
| Women (n = 4728; 84%) | 78%† | 84% | 91%† |
| Men (n = 910; 16%) | 22%† | 17% | 9%† |
| Age* | |||
| 20–44 years (n = 2112; 38%) | 30% | 40% | 32% |
| 45–54 years (n = 2251; 40%) | 41% | 39% | 43% |
| 55–66 years (n = 1275; 23%) | 29% | 21% | 25% |
| Mean age (years) | 48.5‡ | 46 | 47.5 |
| Sick leave the year before baseline* | |||
| 0 days (n = 2038; 36%) | 67%† | 34% | 20%† |
| 1–28 days (n = 2945; 53%) | 29%† | 57% | 52%† |
| >28 days (n = 615; 11%) | 4%† | 9% | 28%† |
| Born in Sweden (n = 384; 7%) | 94% | 93% | 94% |
| Education | |||
| >11 years of school (n = 3492; 63%) | 64%† | 64% | 58%† |
| 10 largest professions | |||
| Managers (n = 209; 4%) | 7%† | 3% | 3%† |
| Medical doctors (n = 195; 4%) | 4% | 4% | 2% |
| Primary school teachers (n = 432; 8%) | 8%† | 8% | 4%† |
| Nurses (n = 692; 12%) | 14% | 12% | 14% |
| Psychologists/social workers (n = 182; 3%) | 3% | 3% | 3% |
| Pre-primary school teachers (n = 392; 7%) | 6% | 8% | 5% |
| Childcare workers (n = 258; 5%) | 3% | 5% | 4% |
| Assistant nurses (n = 747; 13%) | 12%† | 13% | 16%† |
| Home based personal care workers (n = 588; 10%) | 10%† | 9% | 15%† |
| Attendants in psychiatric care (n = 413; 7%) | 5%† | 8% | 9%† |
| Sector of employment | |||
| Municipalities (n = 3689; 65%) | 65% | 66% | 64% |
| County councils (n = 1949; 35%) | 35% | 34% | 36% |