Table 5.

Individual Variable Contributions in Predicting Nightmares

	B	OR	95% CI	p	% Cases Classified
PTSD Symptom Severity
Baserate					66.3%
Step 1					67.5%
Age	−0.01	1.00	0.99 – 1.01	ns
Sex	−0.14	0.87	0.61 – 1.24	ns
MDE	0.46	1.59	1.10 – 2.29	<.05
Drug dependence	20.2	591294543	0.00 –	ns
Age at trauma	−0.02	0.98	0.97 – 0.99	<.01
Step 2					67.1%
PTSD Symptom Severity	0.18	1.20	1.14 – 1.27	<.01
Hyperarousal
Baserate					66.3%
Step 1					67.5%
Age	−0.01	1.00	0.99 – 1.01	ns
Sex	−0.14	0.87	0.61 – 1.24	ns
MDE	0.46	1.59	1.10 – 2.29	<.05
Drug dependence	20.2	591294543	0.00 –	ns
Age at trauma	−0.02	0.98	0.97 – 0.99	<.01
Step 2					68.1%
Reexperiencing	0.40	1.49	1.27 – 1.76	<.01
Avoidance	0.12	1.13	1.02 – 1.25	<.05
Step 3					68.8%
Hyperarousal	0.22	1.25	1.07 – 1.45	<.01
Reexperiencing
Baserate					66.3%
Step 1					67.5%
Age	−0.01	1.00	0.99 – 1.01	ns
Sex	−0.14	0.87	0.61 – 1.24	ns
MDE	0.46	1.59	1.10 – 2.29	<.05
Drug dependence	20.2	591294543	0.00 –	ns
Age at trauma	−0.02	0.98	0.97 – 0.99	<.01
Step 2					67.4%
Avoidance	0.14	1.16	1.05 – 1.28	<.01
Hyperarousal	0.28	1.33	1.15 – 1.54	<.01
Step 3					68.8%
Reexperiencing	0.35	1.42	1.20 – 1.68	<.01
Avoidance
Baserate					66.3%
Step 1					67.5%
Age	−0.01	1.00	0.99 – 1.01	ns
Sex	−0.14	0.87	0.61 – 1.24	ns
MDE	0.46	1.59	1.10 – 2.29	<.05
Drug dependence	20.2	591294543	0.00 –	ns
Age at trauma	−0.02	0.98	0.97 – 0.99	<.01
Step 2					69.2%
Reexperiencing	0.39	1.48	1.26 – 1.73	<.01
Hyperarousal	0.26	1.29	1.12 – 1.49	<.01
Step 3					68.8%
Avoidance	0.08	1.08	0.97 – 1.20	ns

Note: MDE = major depressive episode; B = Standardized B; 95 % CI= 95% Confidence Interval; OR = odds ratio.