Table 2.
Characteristics for the sample aged 20–79 years. The HUNT Study35
| HUNT2 (1995–1997) | HUNT3 (2006–2008) | HUNT4 (2017–2019) | ||
| N (%) | N (%) | N (%) | ||
| Age groups | 20–29 years | 9111 (14.6) | 4511 (9.3) | 6428 (12.3) |
| 30–39 years | 11 630 (18.6) | 6859 (14.2) | 6755 (12.9) | |
| 40–49 years | 13 603 (21.8) | 10 012 (20.7) | 9002 (17.2) | |
| 50–59 years | 11 058 (17.7) | 11 425 (23.6) | 10 761 (20.5) | |
| 60–69 years | 9048 (14.5) | 9801 (20.3) | 11 186 (21.3) | |
| 70–79 years | 7994 (12.8) | 5754 (11.9) | 8310 (15.9) | |
| Sex | Females | 32 991 (52.8) | 26 316 (54.4) | 28 488 (54.3) |
| Males | 29 453 (47.2) | 22 046 (45.6) | 23 954 (45.7) | |
| HADS depression* | Low | 51 049 (81.8) | 34 301 (70.9) | 35 271 (67.3) |
| High | 5855 (9.4) | 3453 (7.1) | 3505 (6.7) | |
| Missing | 5540 (8.9) | 10 608 (21.9) | 13 666 (26.1) | |
| HADS anxiety* | Low | 44 462 (71.2) | 32 192 (66.6) | 31 594 (60.3) |
| High | 7736 (12.4) | 5387 (11.1) | 7004 (13.4) | |
| Missing | 10 246 (16.4) | 10 783 (22.3) | 13 844 (26.4) | |
| Total | 62 444 (100) | 48 362 (100) | 52 442 (100) | |
*Hospital Anxiety and Depression Scale (HADS) cut-off ≥8.