Variables | Subgroup 1* (n = 325) | Subgroup 2† (n = 516) | Subgroup 3‡ (n = 686) | Subgroup 4§ (n = 767) | p valuea |
---|---|---|---|---|---|
Age (years)b | 77.8 ± 7.7 | 76.0 ± 7.4 | 76.2 ± 7.3 | 73.1 ± 6.7 | <0.001 |
Sex (%) | <0.001 | ||||
Men | 36.3 | 36.2 | 39.7 | 45.0 | |
Women | 63.7 | 63.8 | 60.3 | 55.0 | |
Education (%) | <0.001 | ||||
High school (secondary) | 61.5 | 54.8 | 54.5 | 49.1 | |
Upper secondary school or vocational training ≥2 years | 23.7 | 26.0 | 25.7 | 26.9 | |
College or university for ≤2 years | 5.7 | 10.1 | 7.6 | 9.3 | |
College or university ≥3 years | 9.1 | 9.1 | 12.2 | 14.8 | |
Family status (%) | <0.001 | ||||
Married | 47.4 | 53.7 | 58.3 | 61.8 | |
Single | 3.7 | 6.0 | 4.7 | 5.3 | |
Divorced | 19.7 | 17.1 | 14.4 | 15.1 | |
Widowed | 29.2 | 25.3 | 22.6 | 17.7 |