Table 2.

Factors associated with severe psychiatric disorders (SPD) among homeless people, Greater Paris (France), 2009.

	% in SPD (n = 259)	% in Non SPD (n = 303)	Initial Model		Final Model
			PR (95% CI)	p	PR (95% CI)	p
Age	-	-	1.00 (0.98–1.01)	0.83	1.01 (0.99–1.02)	0.26
Gender = female (versus male)	39.7	40.2	0.98 (0.68–1.43)	0.95	1.13 (0.86–1.48)	0.39
Family status = in couple (versus single )	11.6	21.3	0.67 (0.36–1.25)	0.21
Born in France	54.8	22.6	1.91 (1.41–2.58)	<0.001	1.51 (1.10–2.08)	0.01
History of running away before the age of 18	25.1	6.4	1.78 (1.41–2.27)	<0.001	1.34 (1.35–2.29)	<0.0001
Victim of sexual violence before the age of 18	15.9	0.9	2.04 (1.69–2.46)	<0.001	1.76 (1.35–2.29)	<0.0001
Level of education
primary	11.2	12.3	Ref.	0.53
secondary	68.6	71.2	0.94 (0.70–1.26)
tertiary	20.3	16.5	1.12 (0.84–1.54)
Parents’ employment at 12 years
both parents employed	2.1	2.9	Ref.	0.10
one of the two parents employed	53.4	64.6	0.80 (0.57–1.12)
both parents unemployed	44.5	32.5	0.84 (0.29–2.39)
Parents fights and/or addictions	37.6	11.9	1.86 (1.40–2.47)	<0.0001	1.69 (1.32–2.17)	<0.0001
Age at the first experience of homelessness over 26 years	55.6	75.0	0.66 (0.50–0.88)	0.005	0.69 (0.51–0.95)	0.05
Housing condition before the first instance of homelessness
parents’ home	24.1	25.8	Ref.	0.02		0.03
own home	49.2	31.2	1.44 (0.98–2.09)		1.98 (1.28–3.06)
precarious housing	15.2	29.2	0.63 (0.39–1.01)		1.21 (0.87–1.68)
other family members’ home	6.7	9.0	0.84 (0.58–1.25)		1.70 (1.11–1.62)
foster family, institution, young people’s home	4.6	1.1	1.64 (1.22–2.22)		1.27 (0.85–1.89)
Problematic use of alcohol or marijuana before homelessness	40.8	19.9	1.58 (1.18–2.11)	0.002