Table 3.

Hierarchical logistic regression of characteristics predicting since-tornado prevalence of PTSD and MDE in adolescents.

	Step					Final model
	B	SE	W	OR	95% CI	B	SE	W	OR	95% CI
Regression A: PTSD (n=1,493)
Step 1
Gender	−0.36	0.21	2.83	0.70	[.46–1.06]	−0.73	0.24	9.40	0.48**	[.30–.77]
Age	0.11	0.06	3.08	1.11	[.99–1.25]	0.03	0.07	0.25	1.03	[.91–1.18]
African-American	0.44	0.23	3.66	1.56	[.99–2.46]	0.18	0.26	0.50	1.20	[.72–2.00]
Other race	0.20	0.50	0.16	1.22	[.46–3.21]	0.08	0.52	0.03	1.09	[.39–3.02]
Household income	0.44	0.24	3.50	1.55	[.98–2.46]	−0.07	0.27	0.06	0.94	[.56–1.58]
Step 2
Prior natural disaster	−0.02	0.25	0.01	0.98	[.60–1.62]	0.01	0.26	0.00	1.01	[.60–1.69]
Prior traumatic events	0.79	0.10	65.78	2.21***	[1.82–2.68]	0.82	0.10	65.03	2.27***	[1.86–2.77]
Step 3
Time since tornado						0.04	0.05	0.58	1.04	[.95–1.14]
Present during tornado						−0.54	0.37	2.08	0.58	[.28–1.21]
Physical injury						1.73	0.55	10.06	5.63**	[1.94–16.39]
Concerned about others						0.99	0.33	8.71	2.68**	[1.39–5.16]
Displacement						0.11	0.41	0.07	1.12	[.50–2.48]
Property damage						−0.16	0.09	3.23	0.85	[.71–1.02]
Loss of services						0.22	0.10	4.86	1.25*	[1.03–1.52]
Regression B: MDE (n=1,541)
Step 1
Gender	−0.66	0.20	10.67	0.52**	[.35–.77]	−1.05	0.22	22.34	0.35***	[.23–.54]
Age	0.09	0.06	2.61	1.09	[.98–1.22]	−0.24	0.06	0.10	1.02	[.91–1.15]
African-American	0.51	0.22	5.68	1.67*	[1.10–2.54]	0.38	0.24	1.00	1.27	[.80–2.02]
Other race	0.58	0.41	1.98	1.78	[.80–3.97]	−0.24	0.44	0.75	1.46	[.62–3.45]
Income	0.21	0.22	0.87	1.23	[.80–1.90]	−0.55	0.25	0.96	0.79	[.48–1.27]
Step 2
Prior natural disaster	−0.52	0.25	4.55	0.59*	[.37–.96]	0.90	0.25	4.18	0.58*	[.35–.94]
Prior traumatic events	0.87	0.09	87.11	2.38***	[1.99–2.86]	−0.01	0.10	88.03	2.46***	[2.04–2.96]
Step 3
Time since tornado						−0.01	0.04	0.10	0.99	[.91–1.07]
Present during tornado						−0.36	0.36	0.99	0.70	[.35–1.41]
Physical injury						1.73	0.50	11.96	5.61**	[2.11–15.92]
Concerned about others						0.38	0.26	2.10	1.46	[.87–2.45]
Displacement						0.07	0.39	0.03	1.07	[.50–2.29]
Property damage						−0.12	0.08	2.14	0.89	[.75–1.04]
Loss of services						0.09	0.10	0.84	1.09	[.90–1.33]

Note. PTSD=posttraumatic stress disorder. MDE=major depressive episode.