Table 1

Characteristics of the participants in the random working population sample and the sick-listed sample (n = 5807), for women and men, respectively
Women Men
n = 3547 n = 2260
Sick-listed sample Pearson’s Chi square1 Random working population sample Sick-listed sample Pearson’s Chi square1 Random working population sample
n = 2022 n = 1525 n = 1022 n = 1238
Chisq. Chisq.
% (n) Value % (n) % (n) Value % (n)
Years old
 19 – 30 10 (208) 23.91* 15 (224) 12 (125) 47.75* 17 (215)
 31 – 50 47 (953) 49 (751) 40 (412) 49 (610)
 51 – 64 43 (861) 36 (550) 48 (485) 34 (413)
Land of birth
 Nordic countries 92 (1857) 3.23 93 (1425) 88 (896) 7.10* 91 (1128)
 Other 8 (165) 7 (100) 12 (126) 9 (110)
 Socioeconomic position
 Higher non-manual 11 (227) 86.89* 16 (234) 11 (106) 101.23* 21(257)
 Intermediate non-manual 27 (550) 30 (447) 16 (158) 24 (290)
 Lower non-manual 15 (291) 18 (265) 7 (67) 9 (290)
 Skilled manual 21 (425) 17 (252) 29 (288) 21 (249)
 Non-skilled manual 26 (511) 20 (303) 38 (383) 26 (312)
Employer
 Private/self-employed 30 (567) 36.52* 40 (576) 71 (672) 3.20 73 (856)
 Public 70 (1332) 60 (855) 29 (269) 27 (317)
Physical and mental symptoms
 Very low level 11 (202) 171.75* 21 (288) 23 (215) 109.94* 34 (365)
 Low level 19 (348) 27 (373) 22 (207) 30 (326)
 High level 29 (552) 30 (415) 26 (243) 24 (267)
 Very high level 41 (763) 22 (294) 29 (272) 12 (127)
Mental well-being
 Very good 18 (325) 82.28* 25 (363) 23 (212) 77.57* 30 (345)
 Good 25 (461) 32 (458) 24 (218) 35 (407)
 Low 26 (477) 24 (341) 27 (247) 22 (258)
 Very low 31 (564) 19 (269) 26 (241) 13 (158)
Job strain
 Low 80 (1613) 47.63* 88 (1349) 83 (844) 45.27* 92 (1138)
 High 20 (409) 12 (176) 17 (178) 8 (100)
Heavy lifting
 No, never/almost never 23 (459) 75.36* 32 (483) 16 (164) 107.51* 31 (383)
 No, seldom 19 (387) 24 (354) 18 (178) 23 (276)
 Yes, sometimes 25 (491) 23 (350) 29 (288) 25 (312)
 Yes, frequently 33 (656) 21 (320) 37 (367) 21 (255)
Awkward working postures
 No, never/almost never 20 (397) 90.79* 27 (412) 16 (153) 115.49* 31 (374)
 No, seldom 19 (384) 25 (376) 19 (191) 24 (300)
 Yes, sometimes 27 (531) 27 (413) 28 (279) 24 (296)
 Yes, frequently 34 (673) 20 (303) 37 (371) 21 (256)

*Statistically significant difference (p < .05), between the sick-listed sample and the random working population sample.

1 Chi square value for the distributional comparison between the sick-listed sample and the random working population sample.

Löve et al.

Löve et al. BMC Public Health 2013 13:545   doi:10.1186/1471-2458-13-545

Open Data