Table 3.

Association of PTSD with Incident Diabetes Among VET Registry Twin Pairs Discordant for PTSD. Unadjusted and Adjusted for Selected Demographic, Military Service and Lifestyle Factors.

	Incident Diabetes
Models	No PTSD n=3,424		Subthreshold PTSD n=541		PTSD n=375		P for Trend
	OR	(95% CI)	OR	(95% CI)	OR	(95% CI)
Model 1: Adjusted for Age	1. 0	(ref)	1. 2	(0.8 – 1.7)	1. 0	(0.6 – 1.7)	0.68
Model 2: Adjusted for Demographic and Military Service Factors *	1. 0	(ref)	1. 2	(0.8 – 1.8)	1. 0	(0.6 – 1.7)	0.83
Model 3: Adjusted for Selected Demographic, Military Service and Lifestyle Factors †	1. 0	(ref)	1. 2	(0.8 – 1.8)	1. 0	(0.6 – 1.8)	0.75

All data weighed for non-response.

No PTSD is defined as having no lifetime history of PTSD at the 1992 interview.

PTSD is defined as having a lifetime history of PTSD at the 1992 interview.

Subthreshold PTSD is defined as meeting both the A and B criteria and either the C or D criteria for PTSD according to the DSM-IIIR.

Model 1 includes 370 twin pairs; Model 2 includes 352 twin pairs; and Model 3 includes334 twin pairs.

^*The model adjusted for demographic and military service factors including age, race, ethnicity, marital status, education, branch of service, enlistment year, service in Southeast Asia, and military rank at enlistment.

^†The model adjusted for selected demographic, military service and lifestyle factors including age, race, ethnicity, education, military rank at enlistment, service in Southeast Asia, physical activity, and BMI.