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. Author manuscript; available in PMC: 2019 Mar 1.

Published in final edited form as: J Head Trauma Rehabil. 2018 Mar-Apr;33(2):E30–E40. doi: 10.1097/HTR.0000000000000308

Table 4. Risk ratios of unemployment status within the diagnostic groups stratified by NSI total score tertiles.

Diagnostic Group	NSI Total Score Tertiles
	Tertile 1 (0-26)			Tertile 2 (27-40)			Tertile 3 (41+)
	N	%^a	Crude Risk Ratio (95% CI)	N	%^a	Crude Risk Ratio (95% CI)	N	%^a	Crude Risk Ratio (95% CI)
mTBI, PTSD and Depression	1,183	13.1	1.53 (1.28, 1.84)^***	2,602	15.8	1.13 (0.99, 1.29)	4,207	24.3	1.14 (1.04, 1.25)^**
PTSD and Depression	597	14.7%	1.72 (1.38, 2.15)^***	899	15.5	1.11 (0.93, 1.33)	1,280	25.3	1.19 (1.05, 1.34)^**
mTBI and Depression	676	7.5	0.88 (0.66, 1.18)	1,012	12.4	0.89 (0.73, 1.07)	1,033	17.5	0.82 (0.70, 0.96)^*
mTBI and PTSD	2,814	8.6	1.00 (0.85, 1.18)	4,262	11.7	0.83 (0.73, 0.95)	4,764	18.9	0.89 (0.80, 0.97)^*
Depression-only	609	10.3	1.21 (0.94, 1.57)	732	14.7	1.05 (0.86, 1.29)	652	21.2	0.99 (0.84, 1.17)
PTSD-only	1,463	9.2	1.08 (0.89, 1.31)	1,447	14.2	1.02 (0.86, 1.20)	1,348	21.2	0.99 (0.87, 1.13)
mTBI-only	3994	6.4%	0.75 (0.64, 0.88)^b	2,504	9.4	0.67 (0.57, 0.78)^***	1,606	13.1	0.61 (0.53, 0.71)^***
No mTBI, PTSD or Depression	3,933	8.5	REFERENCE^b	2,532	14.0	REFERENCE^b	2,672	21.3	REFERENCE^b

^a

Percent unemployed/not looking for work.

^b

The no diagnosis group was used as a reference group.

^*

p < .05

^**

p < .01

^***

p < .001