Table 1 Characteristics of the study population.
Disability pensioners | Referents | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Women | Men | Women | Men | p < for difference | ||||||
Mean or % | SD | Mean or % | SD | Mean or % | SD | Mean or % | SD | Pension status | Sex | |
No. of subjects | 753 | 745 | 2.842 | 3878 | ||||||
Person years | 5072 | 5201 | 41846 | 57250 | ||||||
Sick leave spells | 11442 | 9453 | 35553 | 40712 | ||||||
Mean follow-up time, years | 6.7 | 4.43 | 7.0 | 4.15 | 12.3 | 4.48 | 13.7 | 3.08 | 0.0001 | 0.0001 |
Sickness spell duration, days | ||||||||||
Mean | 52.6 | 181.8 | 65.6 | 215.2 | 14.4 | 60.4 | 14.8 | 69.7 | 0.0001 | 0.0001 |
Median | 4 | 5 | 3 | 4 | 0.0001 | 0.0001 | ||||
Sickness spell interval | ||||||||||
Mean | 111.2 | 235.6 | 128.4 | 277.9 | 198.43 | 421.8 | 221.6 | 451.8 | 0.0001 | 0.0001 |
Median | 44 | 49 | 73 | 83 | 0.0001 | 0.0001 | ||||
Cumulative one-year sick leave days | ||||||||||
Mean | 98.3 | 126.2 | 98.4 | 129.7 | 11.3 | 39.3 | 9.8 | 37.9 | 0.0001 | 0.0001 |
Median | 32 | 28 | 0 | 0 | 0.0001 | 0.0001 | ||||
Age at baseline | 47.5 | 9.1 | 47.2 | 8.0 | 41.7 | 13.4 | 39.5 | 11.1 | 0.0001 | 0.0001 |
Married, % | 75.4 | 71.0 | 79.9 | 81.7 | 0.0001 | n.s. | ||||
Mandatory education only, % | 61.5 | 51.2 | 37.5 | 29.1 | 0.0001 | 0.0001. | ||||
Household size | 2.7 | 1.2 | 2.5 | 1.2 | 2.9 | 1.3 | 2.9 | 1.3 | ns | n.s. |
Smokers, % | 39.6 | 44.2 | 29.8 | 27.2 | 0.001 | n.s. | ||||