Table 3.

Logistic regression analysis for multiple types of PTEs experienced during the subjects’ lifetime and over the past 12 months.

	Lifetime prevalence		12-month prevalence
	N = 1879		N = 640
Multiple types of PTEs	Unadjusted OR [CI]	Adjusted OR [CI]a	Unadjusted OR [CI]	Adjusted OR [CI]a
Socio-demographic factors
Ageb
<21	1.00	1.00	1.00	1.00
≥21	1.12 [1.00 −1.25]	1.12 [0.99–1.26]	1.17 [0.99–1.38]	1.07 [0.9–1.27]
Linguistic regionb
German	1.00	1.00	1.00	1.00
French	0.95 [0.85–1.06]	0.92 [0.81–1.04]	1.28 [1.08–1.51]**	1.27 [1.05–1.52]*
Participant’s educationb
–High school/university	1.00	1.00	1.00	1.00
–Secondary vocational school	1.14 [1.01–1.28]*	1.11 [0.98–1.27]	1.35 [1.13–1.61]***	1.44 [1.19–1.73]***
–primary school	1.37 [1.11–1.69]**	1.32 [1.07–1.64]*	1.56 [1.17–2.09]**	1.56 [1.16–2.10]**
Mother’s educationc
–High school/university	1.00	1.00	1.00	1.00
–Secondary vocational school	0.86 [0.75–0.98]*	0.81 [0.7–0.94]**	0.83 [0.69–1.01]	0.73 [0.59–0.90]**
–Primary school	0.84 [0.69–1.02]	0.74 [0.59–0.94]*	0.69 [0.51–0.93]*	0.57 [0.40–0.80]***
Father’s educationc
–High school/university	1.00	1.00	1.00	1.00
– Secondary vocational school	1 [0.89–1.13]	1.02 [0.89–1.18]	1.13 [0.94–1.35]	1.13 [0.92–1.38]
–Primary school	1 [0.81–1.23]	1 [0.78–1.28]	0.93 [0.68–1.27]	0.95 [0.66–1.37]
Family affluencec
–Above average	1.00	1.00	1.00	1.00
–Average	0.95 [0.84–1.08]	0.94 [0.82–1.07]	1.17 [0.97–1.4]	1.07 [0.88.-1.3]
–Below average	1.44 [1.21–1.71]***	1.35 [1.13–1.62]***	1.22 [0.95–1.56]	1.16 [0.89–1.51]
Living arrangementc
–Biological parents	1.00	1.00	1.00	1.00
–Others	1.52 [1.33–1.75]***	1.45 [1.26–1.67]***	1.34 [1.11–1.62]**	1.21 [0.99–1.48]

Note. *p < .05, **p < .01, ***p < .001.

OR: Odds ratio; CI: 95% confidence interval; PTE: potentially traumatic event; ^aAdjusted for all socio-demographic variables; ^bVariable was assessed during wave 2; ^cVariable was assessed during wave 1.