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Table 1 Background data of the total sample (age range 20–49 years), the HUNT study (1996–1998), Norway

From: Hearing loss, sick leave, and disability pension: findings from the HUNT follow-up study

  Total Normal Any Mild Disabling Any hearing loss
sample hearing hearing loss hearing loss hearing loss  + tinnitus
(N = 21 754) (N = 21 231) (N = 523) (N = 433) (N = 90) (N = 182)
Mean age at baseline—mean, (SD) 36.6 (8.2) 36.5 (8.2) 41.6 (7.0) 41.9 (6.9) 40.1 (7.3) 41.0 (7.2)
Men N, (%) 10 554 (48.5) 10 225 (48.2) 329 (62.9) 278 (64.2) 51 (56.7) 127 (69.8)
Women N, (%) 11 200 (51.5) 11 006 (51.8) 194 (37.1) 155 (35.8) 39 (43.3) 55 (30.2)
Younger adults (< 35 yr at baseline) N, (%) 9402 (43.2) 9391 (43.8) 101 (19.3) 77 (17.8) 24 (26.7) 38 (20.9)
Older adults (> 35 year at baseline) N, (%) 12 352 (56.8) 11 930 (56.2) 422 (80.7) 356 (82.2) 66 (73.3) 144 (79.1)
High education N, (%) 13 222 (60.8) 12 885 (60.7) 337 (64.4) 271 (62.6) 66 (73.3) 122 (67.0)
Low education N, (%) 8532 (39.2) 8346 (39.3) 186 (35.6) 162 (37.4) 24 (26.7) 60 (33.0)
White-collar N, (%) 6374 (41.8) 6241 (42.1) 133 (31.3) 113 (31.3) 20 (31.3) 42 (27.6)
Blue-collar N, (%) 8885 (58.2) 8593 (57.9) 292 (68.7) 248 (68.7) 44 (68.7) 110 (72.4)
Mean hearing threshold (dBHL) 3.6 2.9 29.8 25.3 51.3 30.6
Sample proportion with tinnitus (% of 20 784) 9.9 9.3 36.5 36.2 37.8 100
Participants with at least 1 episode of sick leave N, (%) 15 984 (73.5) 15 580 (73.4) 404 (77.2) 338 (78.1) 66 (73.3) 143 (78.6)
Participants that received disability pension N, (%) 2091 (9.6) 1997 (9.4) 94 (18.0) 74 (17.1) 20 (22.2) 38 (20.9)
  1. N = 15,259 for white-/blue-collar
  2. N = 20,784 for tinnitus variable