Improved drug-use patterns at 6 months post-discharge from inpatient substance use disorder treatment: results from compulsorily and voluntarily admitted patients

Table 4 Predictors of abstinence from baseline to follow-up (N = 123 patients)

Parameter	Bivariate analysis	P value^a	Multivariate analysis	P value^b
Parameter	OR (95 % CI)		OR (95 % CI)	P value^b
Age	1.02 (0.98–1.06)	0.267	–
Female	1.27 (0.60–2.67)	0.528	–
Education (years)	1.05 (0.88–1.25)	0.619	–
Relationship status, single	0.56 (0.25–1.30)	0.175	0.45 (0.17–1.25)	0.127
Main diagnosis	1.23 (0.45–3.34)	0.687	–
Severity scores
Non-injection use	2.59 (1.21–5.54)	0.014	3.36 (1.32–8.56)	0.011
Years of using most problematic substance	1.01 (0.96–1.1)	0.699	–
Overdoses	0.92 (0.43–1.97)	0.840	–
Suicide attempts lifetime	1.32 (0.63–2.79)	0.456
Treatment variables
Days in treatment	1.00 (0.98–1.02)	0.511	–
Voluntary treatment	0.31 (0.14–0.68)	0.004	3.40 (1.29–8.93)	0.011
Follow-up variables
Abstinence at follow-up	1.51 (0.63–3.66)	0.356	–
Time in a controlled environment (days)^c	1.07 (1.03–1.10)	<0.001	1.08 (1.04–1.12)	<0.001

^a P value obtained from bivariate logistic regression
^b P value obtained from multivariable logistic regression; multivariable analysis included variables with p values <0.20 in bivariate analyses
^cTime in controlled environment in last 30 days before follow-up interview

ISSN: 1472-6963