Contingency management is effective in promoting abstinence and retention in treatment among crack cocaine users with a previous history of poor treatment response: a crossover trial

Psicologia: Reflexão e Crítica

Psychology: Research and Review

Table 4 Abstinence outcome over time among crack dependent individuals

	Default				Multiple imputation (pooled datasets)
	OR*	95% CI	SE	p value	OR*	p value
Treatment condition	4.87	1.56–15.21	2.83	0.006	7.39	0.003
Age	1.01	0.93–1.09	0.04	0.79	1.02	0.35
Alcohol dependence	0.48	0.12–1.98	0.35	0.31	0.27	0.02
Gender	1.38	0.19–9.87	1.38	0.75	1.41	0.65
Baseline urine result	1.12	0.38–3.30	0.62	0.84	2.37	0.01
Time	0.98	0.95–1.00	0.01	0.33	0.96	0.01

*The reference was the usual care condition. OR odds ratio, CI confidence interval