Table 2

Insomnia-related symptoms: distributions of variables, prevalence table
Insomnia-related symptoms1
No Occasional Frequent
N2 % (95% CI) % (95% CI) % (95% CI)
Gender3 5578
 Male 2542 69.3 (67.6, 71.1) 20.6 (19.1, 22.2) 10.0 (9.00, 11.2)
 Female 3036 63.0 (61.2, 64.7) 22.9 (21.4, 24.5) 14.1 (13.0, 15.3)
Age4 5578
 30–39 1343 76.7 (74.3, 79.0) 16.8 (14.9, 18.9) 6.51 (5.29, 7.98)
 40–49 1443 69.4 (66.9, 71.8) 20.7 (18.7, 22.9) 9.85 (8.49, 11.4)
 50–59 1311 61.9 (59.0, 64.7) 22.8 (20.4, 25.4) 15.3 (13.4, 17.4)
 60–69 910 59.8 (56.8, 62.8) 24.3 (21.7, 27.2) 15.8 (13.5, 18.5)
 70–79 571 53.1 (49.5, 56.7) 29.3 (26.1, 32.7) 17.6 (14.8, 20.9)
Parental education 5445
 High 338 68.0 (62.8, 72.7) 20.4 (16.3, 25.3) 11.6 (8.51, 15.6)
 Intermediate 432 68.6 (64.2, 72.7) 18.6 (15.3, 22.5) 12.8 (9.80, 16.4)
 Low 4581 65.7 (64.3, 67.2) 22.3 (21.1, 23.6) 11.9 (11.1, 12.9)
 Do not know 94 71.4 (62.3, 79.0) 11.2 (6.35, 19.1) 17.4 (11.5, 25.4)
Marital status 5578
 Married/living together 4060 67.5 (66.1, 68.8) 21.0 (19.8, 22.2) 11.6 (10.7, 12.5)
 Single 621 63.9 (59.9, 67.7) 24.4 (21.1, 28.0) 11.7 (9.21, 14.8)
 Divorced/separated 553 61.8 (57.5, 65.9) 21.5 (18.3, 25.2) 16.7 (13.5, 20.5)
 Widowed 344 59.3 (54.0, 64.5) 27.4 (22.5, 32.9) 13.3 (10.5, 16.7)
Number of children 5568
 No under 18 years old children 3633 63.7 (62.0, 65.3) 22.6 (21.2, 24.2) 13.7 (12.6, 14.9)
 Under 7-year-olds 414 72.5 (67.5, 77.0) 22.7 (18.4, 27.5) 4.82 (2.91, 7.91)
 7–17-year-olds 1125 69.8 (66.9, 72.5) 19.9 (17.6, 22.4) 10.3 (8.64, 12.2)
 Both 396 72.9 (67.8, 77.5) 19.0 (15.0, 23.6) 8.10 (5.64, 11.5)
Own education (years) 5560
 high (> 12) 2045 68.6 (66.6, 70.6) 21.6 (19.8, 23.6) 9.76 (8.37, 11.4)
 medium (10–12) 1551 65.3 (62.5, 68.0) 21.6 (19.4, 24.0) 13.1 (11.3, 15.0)
 low (7–9) 1559 63.3 (60.8, 65.7) 22.8 (20.8, 25.0) 13.9 (12.2, 15.7)
 very low (< 7) 405 67.4 (62.7, 71.8) 20.5 (17.0, 24.6) 12.1 (9.55, 15.1)
Household income level 5453
 Highest income quartile 1491 68.9 (66.4, 71.3) 21.3 (19.2, 23.4) 9.88 (8.43, 11.6)
 3rd 1528 69.4 (67.1, 71.7) 20.3 (18.3, 22.5) 10.2 (8.69, 12.0)
 2nd 1314 63.1 (60.5, 65.7) 23.7 (21.5, 25.9) 13.2 (11.7, 15.0)
 Lowest income quartile 1120 60.5 (57.8, 63.1) 23.4 (20.8, 26.1) 16.2 (14.2, 18.4)
Employment status 5578
 Working 3363 68.9 (66.8, 71.0) 21.6 (19.9, 23.5) 9.46 (8.16, 10.9)
 Unemployed 420 53.2 (48.6, 57.6) 24.3 (20.6, 28.5) 22.5 (18.6, 27.0)
 Disability pension 427 54.0 (48.8, 59.2) 22.2 (18.5, 26.6) 23.7 (19.7, 28.3)
 Old age retirement 1022 68.4 (64.3, 72.3) 20.8 (17.6, 24.3) 10.8 (8.67, 13.4)
 Other pension 135 66.7 (59.2, 73.4) 20.6 (15.3, 27.0) 12.8 (8.40, 18.9)
 Other 211 58.7 (50.9, 66.0) 27.9 (21.6, 35.2) 13.4 (8.78, 19.9)
Residential area 5578
 Urban town 3421 65.7 (64.0, 67.3) 22.0 (20.5, 23.5) 12.4 (11.2, 13.5)
 Densely populated municipality 805 66.7 (64.0, 69.2) 21.8 (19.5, 24.2) 11.6 (9.67, 13.8)
 Rural municipality 1352 66.3 (63.6, 68.8) 21.4 (19.3, 23.8) 12.3 (11.0, 13.7)
Self-perceived health 5568
 Good 1899 79.9 (78.0, 81.6) 15.4 (13.9, 17.1) 4.71 (3.89, 5.70)
 Quite good 1709 68.0 (65.8, 70.0) 22.8 (20.8, 25.0) 9.19 (7.92, 10.6)
 Mediocre 1425 56.9 (54.1, 59.7) 27.3 (25.0, 29.8) 15.7 (13.9, 17.8)
 Quite poor 401 40.3 (35.6, 45.2) 25.7 (21.4, 30.5) 34.0 (29.0, 39.4)
 Poor 134 31.1 (23.4, 40.1) 23.0 (16.2, 31.6) 45.9 (36.7, 55.4)
Total (N) 5578 3690 1212 676

1 Adjusted for age and gender, 2 Depending on variable missing information n = 0–133, 3 Adjusted for age, 4 Adjusted for gender.

Lallukka et al.

Lallukka et al. BMC Public Health 2012 12:565   doi:10.1186/1471-2458-12-565

Open Data