Table 4. Results of the univariate and multivariate logistic regression analyses for the presence of posttraumatic stress disorder.

Variables		Univariate analysis			Multivariate analysis
		OR	95% CI	P value	OR	95% CI	P value
Sex (female)		1.33	0.75–2.35	0.333	1.07	0.50–2.28	0.865
Prior anaphylaxis		1.63	0.84–3.18	0.152	1.51	0.71–3.22	0.286
Cause
	Drug	1.06	0.60–1.85	0.851	1.29	0.49–3.38	0.601
	Food	0.85	0.45–1.62	0.621	1.01	0.35–2.93	0.982
Severe anaphylaxis		1.33	0.76–2.34	0.315	1.23	0.59–2.59	0.578
K-BAI ≥ 22		10.10	4.52–22.56	< 0.0001	6.15	2.37–15.95	< 0.0001
K-BDI ≥ 17		6.14	3.11–12.10	< 0.0001	2.63	1.09–6.38	0.032

OR, odds ratio; CI, confidence interval; K-BAI, Korean version of the Beck Anxiety Inventory; K-BDI, Korean version of the Beck Depression Inventory.