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Published online 2014 Jan 17. doi:  10.1186/2045-709X-22-4

Table 1

Return to:   Brief Screening Questions For Depression in Chiropractic Patients With Low Back Pain

Baseline characteristics of the cohort separated according to signs of depression

 Total cohort n = 925No depression n = 843Mild to severe depression n = 82p-value*
Females
45%
43%
61%
<0.01
Age, mean (sd)
43 (12)
44 (12)
40 (12)
<0.01
Duration of LBP
 
 
 
<0.01
0-2 weeks
62%
65%
39%
 
2-4 weeks
13%
13%
21%
 
1-3 months
11%
11%
10%
 
>3 months
14%
12%
30%
 
>3 previous LBP episodes
49%
48%
57%
0.10
LBP intensity, median (IQR)
7 (5–8)
7 (5–8)
8 (6–8)
<0.01
Leg pain >0
56%
54%
72%
<0.01
RMDQ, mean (sd)51 (24)50 (24)65 (20)<0.01
*p-value for test of no difference between ‘no depression’ and ‘mild to severe depression’ the duration of LBP categories for non-depressed sum to 101% due to rounding of figures.