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. 2013 Jan 22;13:58. doi: 10.1186/1471-2458-13-58

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.