Prevalence and risk factors of posttraumatic stress disorder among survivors five years after the “Wenchuan” earthquake in China

Table 4 Significant risk factors of posttraumatic stress disorder from multivariate stepwise logistic regression models

Variable	β	SE	OR	95% CI	P
Gender
Male			1.0
Female	0.73	0.315	2.08	1.12-3.85	0.02
Age (years)
18-35			1.0
36-59	2.02	1.040	7.52	1.03-57.75	0.05
≥60	2.27	1.043	9.64	1.25-74.46	0.03
Occupation
Non-farmer			1.0
Farmer	1.48	0.617	4.37	1.30-14.66	0.02
Family member died
No			1.0
Yes	0.63	0.273	1.88	1.10- 3.21	0.02
Constant	−7.02	1.217	0.001		<0.001

Variables considered for inclusion in the regression model were gender, marital status, age, education level, occupation, ethnicity, property loss, family member died, family member injured, Injury to self.
Only significant predictor variable were included in the final model.
β = partial Regression Coefficient; SE = Standard Error; OR = Odds Ratio; CI = Confidence Interval.

ISSN: 1477-7525