Table 1.
Background characteristics (%)
Background population (n = 65,068) | Baseline non-participants (n = 38,594) | Baseline participants (n = 26,474) | Baseline participants, participating in re-examination (n = 21,868) | Baseline participants, not participating in re-examination (n = 4,606) | Substitution approach to reconstruct background population | Extrapolation approach to reconstruct background population | |
---|---|---|---|---|---|---|---|
Socio-demographics | |||||||
Age | |||||||
50–59 | 36 | 38 | 33 | 31 | 39 | 36 | 43 |
60–69 | 37 | 36 | 37 | 37 | 36 | 36 | 35 |
70–77 | 28 | 26 | 30 | 31 | 26 | 27 | 22 |
Legal sex | |||||||
Male | 40 | 41 | 38 | 38 | 38 | 38 | 38 |
Country of birth | |||||||
Sweden | 79 | 73 | 88 | 89 | 83 | 85 | 80 |
Civil status | |||||||
Married | 55 | 52 | 61 | 62 | 55 | 57 | 50 |
Education | |||||||
Primary | 42 | 46 | 36 | 35 | 38 | 37 | 39 |
Short secondary | 28 | 26 | 30 | 30 | 30 | 30 | 30 |
Long secondary | 11 | 10 | 13 | 13 | 12 | 12 | 12 |
Tertiary | 19 | 17 | 22 | 22 | 20 | 21 | 19 |
Employment status | |||||||
Employed | 33 | 31 | 36 | 36 | 37 | 37 | 38 |
Unemployed | 8.6 | 10 | 5.8 | 5.6 | 7.0 | 6.5 | 7.9 |
Sickness absence | 3.5 | 3.9 | 2.8 | 2.5 | 4.0 | 3.5 | 4.9 |
Retired | 54 | 54 | 55 | 56 | 52 | 53 | 50 |
Disposable income | |||||||
Quintile 1 | 20 | 23 | 16 | 16 | 17 | 16 | 17 |
Quintile 2 | 20 | 22 | 17 | 17 | 19 | 18 | 20 |
Quintile 3 | 20 | 20 | 20 | 20 | 21 | 20 | 21 |
Quintile 4 | 20 | 18 | 23 | 24 | 22 | 23 | 21 |
Quintile 5 | 20 | 17 | 24 | 25 | 22 | 23 | 20 |
Disease history | |||||||
Circulatory | 16 | 17 | 16 | 16 | 17 | 16 | 18 |
Diabetes | 1.8 | 2.2 | 1.2 | 1.2 | 1.5 | 1.4 | 1.7 |
Neoplasms | 10 | 9.6 | 11 | 11 | 11 | 11 | 11 |
Respiratory | 5.7 | 6.1 | 5.1 | 5.0 | 5.9 | 5.6 | 6.5 |
Digestive | 13 | 12 | 13 | 13 | 15 | 14 | 16 |
Mental | 5.4 | 7.0 | 3.1 | 2.6 | 5.4 | 4.5 | 7.2 |
MSE | 10.7 | 13.6 | 4.4 | 5.4 | 8.4 |
Socio-demographics refer to December 31, 2000. Disease history refers to whether the individual was hospitalized for the disease type in question between January 1987 and August 2001. Throughout, individuals who had died or did not live in Sweden by September 1, 2001, were excluded. MSE refers to mean squared error, calculated across all prevalences in the table, in a comparison with the background population