Table 1

Demographic variables in the reference and exposure groups
Total sample Not exposed, reference Non-danger exposed Danger exposed
(N = 883) (n = 149, 16.9%) (n = 444, 50.3%) (n = 290, 32.8%)
Age, years
  Mean (SD) 43.6 (12.9) 46.91 (12.6) 42.71 (12.6) 43.51 (13.4)
  Range 18–82 21–82 18–79 18–78
Sex, n (%)
  Female 465 (52.7) 65 (43.6)2 246 (55.4)2 154 (53.1)2
  Male 418 (47.3) 84 (56.4)2 198 (44.6)2 136 (46.9)2
Education, n (%)
  ≤ 12 years 328 (40.4) 49 (37.4) 172 (41.7) 107 (39.8)
  > 12 years 484 (59.6) 82 (62.6) 240 (58.3) 162 (60.2)
Employed, n (%)
  Yes 652 (73.8) 114 (76.5) 323 (72.7) 215 (74.1)
  No 231 (26.2) 35 (23.5) 121 (27.3) 75 (25.9)
Married or cohabiting, n (%)
  Yes 583 (70.0) 94 (70.7) 295 (69.6) 194 (70.3)
  No 250 (30.0) 39 (29.3) 129 (30.4) 82 (29.7)

Tests and values are only reported when a significant difference was found.

1ANOVA: F(df = 2, n = 872) = 5.78, p = 0.003, η2 = 0.01.

2Chi-square test: χ2 = 6.25, p = 0.044.

Nordløkken et al.

Nordløkken et al. BMC Public Health 2013 13:58   doi:10.1186/1471-2458-13-58

Open Data