Table 1

Sleep duration: distributions of variables, prevalence table
Sleep duration1
<5 h 5 h 6 h 7 h 8 h 9 h ≥10 h
N2 % (95% CI) % (95% CI) % (95% CI) % (95% CI) % (95% CI) % (95% CI) % (95% CI)
Gender3 5578
 Male 2542 4.92 (4.16, 5.80) 3.03 (2.40, 3.82) 12.5 (11.2, 13.8) 37.9 (36.0, 39.8) 33.6 (31.9, 35.4) 5.55 (4.66, 6.52) 2.52 (1.98, 3.20)
 Female 3036 4.26 (3.56, 5.09) 2.63 (2.15, 3.22) 9.77 (8.67, 11.0) 32.6 (31.0, 34.3) 38.1 (36.4, 39.8) 9.73 (8.76, 10.8) 2.93 (2.41, 3.57)
Age4 5578
 30–39 1343 2.10 (1.45, 3.04) 1.28 (0.81, 2.01) 9.07 (7.72, 10.6) 34.1 (31.5, 36.9) 40.5 (37.8, 43.3) 11.3 (9.75, 13.0) 1.59 (1.05, 2.42)
 40–49 1443 2.87 (2.01, 3.92) 2.23 (1.66, 2.98) 10.0 (8.64, 11.5) 37.7 (35.1, 40.4) 38.9 (36.3, 41.5) 6.17 (5.12, 7.41) 2.17 (1.54, 3.05)
 50–59 1311 4.69 (3.61, 6.06) 3.37 (2.49, 4.56) 12.6 (10.7, 14.6) 38.0 (35.6, 40.5) 34.2 (31.6, 36.8) 4.90 (3.87, 6.18) 2.29 (1.58, 3.30)
 60–69 910 5.84 (4.50, 7.54) 3.41 (2.37, 4.89) 10.4 (8.56, 12.6) 33.5 (30.6, 36.6) 33.6 (30.6, 36.6) 9.10 (7.41, 11.1) 4.12 (2.97, 5.69)
 70–79 571 11.8 (9.54, 14.6) 5.41 (3.85, 7.56) 15.4 (12.4, 18.9) 26.8 (23.6, 30.2) 26.9 (23.2, 30.9) 8.18 (5.86, 11.3) 5.47 (3.94, 7.57)
Parental education 5445
 High 338 3.11 (1.55, 6.12) 0.77 (0.19, 2.98) 11.6 (8.60, 15.4) 35.9 (31.0, 41.1) 37.7 (32.5, 43.2) 9.48 (6.86, 13.0) 1.50 (0.59, 3.76)
 Intermediate 432 3.10 (1.65, 5.77) 3.87 (2.25, 6.57) 9.77 (7.12, 13.2) 34.8 (30.8, 39.1) 36.7 (32.2, 41.4) 7.78 (5.67, 10.6) 3.96 (2.34, 6.60)
 Low 4581 4.56 (3.97, 5.22) 2.84 (2.38, 3.39) 11.2 (10.3, 12.1) 35.3 (33.9, 36.7) 35.8 (34.4, 37.2) 7.64 (6.91, 8.45) 2.72 (2.27, 3.26)
 Do not know 94 6.29 (2.99, 12.7) 3.76 (1.46, 9.34) 6.34 (3.02, 12.9) 37.8 (28.7, 47.8) 36.8 (28.4, 46.0) 8.12 (3.92, 16.1) 0.89 (0.12, 6.27)
Marital status 5578
 Married/living together 4060 4.05 (3.40, 4.80) 2.49 (2.03, 3.05) 9.82 (8.87, 10.9) 35.9 (34.3, 37.6) 37.5 (36.2, 38.9) 7.72 (6.92, 8.61) 2.44 (1.98, 3.00)
 Single 621 6.04 (4.32, 8.39) 2.42 (1.43, 4.08) 13.1 (10.5, 16.1) 31.6 (28.1, 35.3) 32.8 (29.1, 36.7) 9.18 (7.20, 11.6) 4.90 (3.37, 7.07)
 Divorced/separated 553 6.35 (4.55, 8.80) 4.08 (2.78, 5.95) 15.5 (12.8, 18.6) 33.1 (29.7, 36.6) 29.8 (26.1, 33.8) 7.51 (5.70, 9.83) 3.64 (2.38, 5.53)
 Widowed 344 4.78 (3.23, 7.01) 4.44 (2.76, 7.06) 14.4 (11.0, 18.5) 35.4 (29.9, 41.2) 33.5 (28.5, 38.9) 5.45 (3.39, 8.65) 2.10 (1.18, 3.68)
Number of children 5568
 No under 18 years old children 3633 4.77 (4.16, 5.46) 2.94 (2.42, 3.56) 11.5 (10.3, 12.7) 34.6 (32.8, 36.3) 35.4 (33.7, 37.2) 7.80 (6.87, 8.84) 3.03 (2.52, 3.63)
 Under 7-year-olds 414 3.85 (1.79, 8.07) 0.44 (0.06, 3.32) 9.78 (6.93, 13.6) 35.5 (31.0, 40.2) 39.0 (34.0, 44.2) 10.1 (7.33, 13.7) 1.41 (0.52, 3.71)
 7–17-year-olds 1125 3.93 (2.73, 5.62) 2.57 (1.60, 4.11) 10.7 (8.98, 12.7) 37.6 (34.8, 40.5) 36.8 (34.1, 39.5) 6.42 (5.14, 7.99) 1.96 (1.21, 3.17)
 Both 396 3.52 (1.73, 7.04) 4.17 (2.16, 7.90) 8.99 (6.15, 13.0) 36.1 (31.4, 41.1) 37.4 (32.7, 42.4) 8.40 (5.96, 11.7) 1.38 (0.50, 3.76)
Own education (years) 5560
 high (> 12) 2045 2.71 (1.96, 3.73) 1.60 (1.06, 2.40) 10.1 (8.82, 11.6) 37.0 (34.8, 39.2) 38.6 (36.4, 40.9) 8.11 (7.05, 9.32) 1.87 (1.32, 2.66)
 medium (10–12) 1551 4.90 (3.85, 6.21) 3.70 (2.78, 4.89) 10.9 (9.46, 12.6) 36.5 (33.8, 39.4) 34.2 (31.8, 36.8) 6.84 (5.76, 8.10) 2.85 (2.05, 3.94)
 low (7–9) 1559 5.54 (4.48, 6.83) 3.22 (2.51, 4.12) 11.7 (10.0, 13.7) 33.3 (30.4, 36.4) 35.1 (32.6, 37.7) 8.00 (6.61, 9.64) 3.08 (2.37, 4.01)
 very low (< 7) 405 5.56 (3.92, 7.83) 2.96 (1.80, 4.83) 13.3 (10.1, 17.3) 30.4 (25.5, 35.8) 34.0 (29.1, 39.2) 9.75 (6.33, 14.7) 4.10 (2.68, 6.21)
Household income level 5453
 Highest income quartile 1491 3.80 (2.91, 4.95) 2.32 (1.60, 3.35) 10.4 (8.95, 11.9) 40.4 (38.0, 42.9) 35.9 (33.4, 38.5) 5.89 (4.84, 7.20) 1.28 (0.82, 2.00)
 3rd 1528 4.25 (3.30, 5.45) 2.52 (1.72, 3.67) 10.6 (9.07, 12.4) 35.5 (32.7, 38.4) 37.4 (35.0, 39,9) 8.06 (6.82, 9.50) 1.59 (1.04, 2.40)
 2nd 1314 5.13 (4.09, 6.42) 2.97 (2.16, 4.05) 11.2 (9.50, 13.0) 34.0 (31.5, 36.5) 35.6 (33.1, 38.1) 7.85 (6.43, 9.54) 3.38 (2.60, 4.39)
 Lowest income quartile 1120 5.15 (4.10, 6.45) 3.86 (2.98, 4.99) 11.9 (10.1, 13.8) 29.8 (27.2, 32.5) 34.7 (31.7, 37.7) 10.0 (8.28, 12.0) 4.68 (3.62, 6.03)
Employment status 5578
 Working 3363 4.44 (3.39, 5.81) 2.67 (1.93, 3.70) 11.7 (10.4, 13.1) 39.4 (37.3, 41.6) 35.7 (33.9, 37.5) 5.27 (4.55, 6.09) 0.83 (0.58, 1.17)
 Unemployed 420 6.53 (4.21, 9.97) 3.80 (2.21, 6.43) 10.3 (7.48, 14.0) 31.8 (27.5, 36.4) 33.6 (29.2, 38.2) 9.20 (7.03, 12.0) 4.81 (3.16, 7.24)
 Disability pension 427 5.74 (4.01, 8.15) 4.33 (2.78, 6.70) 11.1 (8.51, 14.4) 24.9 (20.9, 29.3) 31.2 (27.0, 35.7) 13.7 (9.65, 19.1) 8.97 (6.10, 13.0)
 Old age retirement 1022 3.86 (2.94, 5.06) 2.45 (1.65, 3.63) 9.35 (7.45, 11.7) 25.5 (21.9, 29.5) 35.2 (30.7, 40.0) 18.1 (13.2, 24.4) 5.44 (3.39, 8.61)
 Other pension 135 5.06 (2.78, 9.03) 1.08 (0.28, 4.08) 6.90 (3.79, 12.2) 34.1 (26.1, 43.1) 37.0 (28.2, 46.7) 12.1 (6.92, 20.3) 3.76 (1.54, 8.90)
 Other 211 3.87 (1.49, 9.65) 2.41 (0.72, 7.72) 9.15 (5.74, 14.3) 27.0 (20.8, 34.2) 40.7 (33.4, 48.3) 11.8 (8.71, 15.8) 5.12 (2.82, 9.12)
Residential area 5578
 Urban town 3421 4.23 (3.60, 4.96) 2.63 (2.14, 3.24) 11.5 (10.5, 12.6) 36.2 (34.5, 37.9) 35.5 (34.0, 37.0) 7.66 (6.81, 8.59) 2.33 (1.91, 2.84)
 Densely populated municipality 805 5.14 (4.06, 6.48) 2.95 (2.15, 4.01) 9.50 (7.17, 12.5) 34.0 (31.1, 37.0) 37.7 (34.5, 40.8) 7.55 (5.89, 9.63) 3.20 (2.37, 4.31)
 Rural municipality 1352 5.01 (3.92, 6.38) 3.22 (2.29, 4.52) 10.8 (9.13, 12.6) 33.1 (30.9, 35.4) 35.7 (33.5, 38.0) 8.70 (7.39, 10.2) 3.47 (2.50, 4.79)
Self-perceived health 5568
 Good 1899 3.02 (2.21, 4.10) 1.92 (1.34, 2.75) 9.90 (8.58, 11.4) 37.9 (35.7, 40.2) 38.2 (36.1, 40.4) 7.77 (6.60, 9.04) 1.28 (0.85, 1.92)
 Quite good 1709 4.21 (3.37, 5.25) 1.73 (1.19, 2.52) 10.9 (9.38, 12.5) 37.0 (34.8, 39.3) 36.4 (34.4, 38.6) 7.56 (6.52, 8.74) 2.20 (1.64, 2.93)
 Mediocre 1425 4.78 (3.91, 5.85) 3.40 (2.63, 4.38) 12.5 (10.8, 14.3) 32.5 (30.2, 35.0) 35.3 (32.9, 37.8) 7.75 (6.38, 9.38) 3.74 (2.98, 4.68)
 Quite poor 401 5.61 (3.85, 8.09) 5.23 (3.41, 7.95) 13.3 (10.2, 17.2) 31.5 (27.3, 36.1) 31.1 (26.5, 36.0) 7.71 (5.37, 10.9) 5.51 (3.58, 8.37)
 Poor 134 16.6 (10.6, 24.9) 10.6 (6.61, 16.5) 9.58 (5.68, 15.7) 18.8 (12.9, 26.6) 23.7 (16.7, 32.5) 12.9 (8.19, 19.8) 7.83 (4.40, 13.5)
Total (N) 5578 251 156 605 1942 2018 451 155

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