Table 1 Sample characteristics. The Tromsø Study 2015–2016 (N = 19 185)
Women (n = 9911–10,874)e | Men (n = 9274–10,009)e | |
|---|---|---|
Age, years (SD) | 57.2 (11.5) | 57.4 (11.4) |
Education, % | ||
Primary school | 24.1 (2617) | 22.2 (2179) |
Secondary school | 25.4 (2759) | 30.5 (2997) |
University/college < 4 years | 17.6 (1917) | 21.3 (2091) |
University/college > 4 years | 32.9 (3581) | 26.1 (2564) |
Live with spouse, % | 72.3 (7403) | 81.6 (7880) |
Work shifts, % | 9.3 (976) | 11.5 (1102) |
Hazardous alcohol usea, % | 5.6 (551) | 18.4 (1710) |
Insomnia (DSM-5)b, % | 24.1 (2567) | 15.0 (1455) |
Somatic diseasec, % | 64.2 (7073) | 58.4 (5830) |
Sleep medication | ||
Not used | 88.1 (9201) | 94.1 (9099) |
Less frequently than every week | 5.4 (564) | 2.9 (282) |
Every week, but not daily | 3.5 (370) | 1.5 (148) |
Daily | 2.9 (305) | 1.4 (139) |
Anxiolytic medication | ||
Not used | 96.0 (9898) | 97.7 (9398) |
Less frequently than every week | 2.1 (213) | 1.1 (101) |
Every week, but not daily | 0.9 (91) | 0.5 (48) |
Daily | 1.1 (113) | 0.8 (72) |
Antidepressant medication | ||
Not used | 96.0 (9885) | 98.0 (9401) |
Less frequently than every week | 0.5 (53) | 0.3 (27) |
Every week, but not daily | 0.3 (26) | 0.2 (16) |
Daily | 3.2 (329) | 1.59 (153) |
Mental distressd, mean (SD) | 1.35 (0.41) | 1.24 (0.35) |