Table 2.

Bivariate logistic regression coefficients relating PTSD and depression to predictor variables (N=2368)

Independent variables	Study sample		PTSD past year		Depression past year
	Unweighted na	Weighted % of total	Unadjusted OR	Unadjusted 95% CI	Unadjusted OR	Unadjusted 95% CI
Age (y)
18–29	483	27.22	3.63*	1.34–9.83	2.08*	1.10–3.92
30–44	866	34.21	2.59*	1.00–6.71	2.41**	1.34–4.35
45–64	726	28.75	2.10	0.79–5.59	1.85*	1.01–3.38
65+ (Ref)	247	9.82	1.00	–	1.00	–
Gender
Male (Ref)	1016	46.20	1.00	–	1.00	–
Female	1352	53.80	2.04**	1.33–3.13	1.08	0.81–1.45
Education
Non-college graduate	1304	59.88	1.51	1.00–2.28	1.00	–
College graduate (Ref)	1053	40.12	1.00	–	1.15	0.86–1.53
Marital status
Not married	1433	53.32	2.25***	1.46–3.47	1.87***	1.40–2.52
Married (Ref)	935	46.68	1.00	–	1.00	–
Race
White (Ref)	1015	39.25	1.00	–	1.00	–
African American	606	26.32	1.34	0.81–2.24	0.83	0.58–1.19
Latino	559	25.72	1.75*	1.07–2.85	0.96	0.68–1.37
Asian	99	5.20	0.25*	0.09–0.76	0.33**	0.14–0.76
Other	89	3.51	0.60	0.24–1.55	0.82	0.35–1.90
Income
<$29,999	769	30.91	1.23	0.62–2.43	1.25	0.76–2.08
$30,000–$99,999	1004	40.44	0.63	0.32–1.23	0.92	0.56–1.50
$100,000+ (Ref)	317	14.02	1.00	–	1.00	–
Not reported	278	14.63	0.34	0.11–1.07	0.66	0.33–1.30
Health insurance
No	330	16.70	1.95**	1.19–3.18	1.16	0.78–1.72
Yes (Ref)	2030	83.30	1.00	–	1.00	–
Has regular doctor
No	284	14.89	1.60	0.92–2.79	1.13	0.76–1.70
Yes (Ref)	2080	85.11	1.00	–	1.00	–
Exposure to WTCD
Low (0–1 events) (Ref)	510	26.50	1.00	–	1.00	–
Moderate (2–3 events)	1003	43.96	1.14	0.59–2.24	1.20	0.78–1.87
High (4–5 events)	594	22.00	1.62	0.82–3.20	2.52***	1.63–3.90
Very high (6+ events)	261	7.53	4.16***	2.09–8.30	4.25***	2.60–6.95
Negative life events
None (Ref)	1197	56.19	1.00	–	1.00	–
One	642	26.97	2.08**	1.20–3.62	2.42***	1.66–3.51
2 or more	529	16.83	5.81***	3.45–9.81	5.09***	3.59–7.22
Lifetime traumatic events
0,1 event (Ref)	1222	57.03	1.00	–	1.00	–
2,3 events	667	26.19	2.41***	1.41–4.12	1.93***	1.36–2.75
4+ events	479	16.78	4.69***	2.79–7.89	3.48***	2.46–4.93
Peri-event panic attack
No (Ref)	2034	89.22	1.00	–	1.00	–
Yes	334	10.78	4.19***	2.60–6.77	3.55***	2.52–5.02
Social support
Low	668	29.36	2.57***	1.52–4.34	1.74**	1.21–2.50
Moderate	825	34.14	2.28**	1.36–3.82	1.87***	1.31–2.66
High (Ref)	829	36.50	1.00	–	1.00	–
Self-esteem
Low	890	34.52	7.04***	3.83–12.95	8.24***	5.50–12.34
Moderate	573	24.52	2.39*	1.21–4.73	3.22***	1.97–5.26
High (Ref)	893	40.96	1.00	–	1.00	–
BSI-18 Depression Scale
Not in clinical range (Ref)	1980	88.92	1.00	–	1.00	–
Within clinical range	361	11.08	7.63***	4.96–11.73	12.38***	8.84–17.34
BSI-18 Anxiety Scale
Not in clinical range (Ref)	1981	89.72	1.00	–	1.00	–
Within clinical range	363	10.28	6.90***	4.56–10.44	9.14***	6.61–12.63
BSI-18 Global Severity
Not in clinical range (Ref)	1977	90.02	1.00	–	1.00	–
Within clinical range	346	9.98	7.16***	4.69–10.92	10.69***	7.62–15.00
SF-12-v2 Mental Health
Not in clinical range (Ref)	2077	93.54	1.00	–	1.00	–
Within clinical range	232	6.46	8.34***	5.19–13.40	10.84***	7.37–15.93

Ref = reference category.

^aAll ns are unweighted. Percentages, confidence intervals, and odds ratios shown represent the weighted data, adjusted for the number of telephone lines and adults in the household, the treatment over-sample, and survey stratification.

^*P<.05.

^**P<.01.

^***P<.001.