Table 3.

Associations between number of categories of experienced serious life events and current PTSD in a nationwide probability sample of the general Norwegian population (N = 1779); results are presented unadjusted and adjusted for sociodemographic covariates

	Unadjusted			Adjusted
	Odds ratio	95% CI	P value	Odds ratio	95% CI	P value
Number of categories of serious life events experienced (0–9, ≥10)	1.35	1.26–1.44	<0.001	1.35	1.26–1.45	<0.001
Age, increase in 10 years	0.79	0.71–0.89	<0.001	0.91	0.80–1.03	0.15
Women v. men	2.32	1.52–3.53	<0.001	2.27	1.46–3.52	<0.001
Education
>13 years	Ref	–	–
11–13 years	1.41	0.94–2.12	0.13	1.97	1.28–3.03	0.002
≤10 years	1.66	0.86–3.20	0.094	2.32	1.14–4.69	0.020
Married/cohabitant, yes versus no	0.64	0.43–0.95	0.027	0.83	0.54–1.28	0.40

PTSD, post-traumatic stress disorder; Ref, reference value.