. Author manuscript; available in PMC: 2006 Oct 2.

Published in final edited form as: Arch Gen Psychiatry. 2006 Feb;63(2):193–200. doi: 10.1001/archpsyc.63.2.193

Table 2.

Relationship between Age at Enlistment, Traumatic War Exposure, and Signs of Cardiac, GI or Nervous Disease.

	Relative to No Signs of Disease Condition^a
Predictor Variables^b	GI Only (n=870)		Cardio Only (n=2,699)		Cardio and GI (n=2,615)		Nervous Only (n=762)		Nervous & Cardio/GI (n=5,835)
Age at Enlistment	IRR	95% CI	IRR	95% CI	IRR	95% CI	IRR	95% CI	IRR	95% CI
Age 9–17 years	1.07	0.82, 1.39	1.44^***	1.18, 1.77	1.60^***	1.29, 1.98	0.95	0.72, 1.25	1.93^***	1.61, 2.30
Age 18–20 years	1.21	0.95, 1.54	1.38^**	1.15, 1.67	1.63^***	1.33, 2.01	1.00	0.77, 1.32	1.90^***	1.61, 2.24
Age 21–25 years	1.23	0.95, 1.59	1.35^**	1.13, 1.60	1.55^***	1.27, 1,89	0.99	0.78, 1.26	1.77^***	1.50, 2.09
Age 26–30 years	1.42^**	1.09, 1.86	1.43^***	1.18, 1.73	1.47^***	1.21, 1.78	1.04	0.77, 1.40	1.71^***	1.43, 2.04
Age ≥ 31 years	-----		-----		-----		-----		-----
POW (1=yes)	0.92	0.67, 1.27	1.04	0.83, 1.32	1.06	0.85, 1.33	0.96	0.73, 1.27	1.23^*	1.01, 1.51
Ever wounded (1=yes)	0.45^***	0.37, 0.54	0.63^***	0.56, 0.72	0.46^***	0.40, 0.52	1.64^***	1.39, 1.93	0.67^***	0.60, 0.75
% Company Killed	IRR	95% CI	IRR	95% CI	IRR	95% CI	IRR	95% CI	IRR	95% CI
1^st quartile	-----		-----		-----		-----		-----
2^nd quartile	1.30^*	1.02, 1.64	1.31^**	1.08, 1.59	1.34^*	1.07, 1.68	0.99	0.78, 1.26	1.51^***	1.25, 1.84
3^rd quartile	1.20	0.94, 1.53	1.18†	0.98, 1.43	1.32^**	1.07, 1.63	1.15	0.92, 1.44	1.39^***	1.16, 1.67
4^th quartile	1.13	0.88, 1.43	1.04	0.87, 1.25	1.32^*	1.05, 1.65	1.05	0.84, 1.30	1.33^**	1.09, 1.62

-- reference group N=15,027

^†

p<.10;

p<.05;

^**

p<.01;

^***

p<.005

IRR for one or more lifetime disease sign relative to No Disease Signs (n=2,246)

Effect sizes for predictor variables are adjusted for effects of listed predictors, SES, age at death, and year of enlistment.