Brief screening questions for depression in chiropractic patients with low back pain: identification of potentially useful questions and test of their predictive capacity

doi:10.1186/2045-709X-22-4

PMC full text:

Chiropr Man Therap. 2014; 22: 4.

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

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Table 1

Baseline characteristics of the cohort separated according to signs of depression

	Total cohort n = 925	No depression n = 843	Mild to severe depression n = 82	p-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.