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Table 4 Cox PH model of stimulants relapse predictors

From: Predictors of time to relapse in amphetamine-type substance users in the matrix treatment program in Iran: a Cox proportional hazard model application

Variable Hazard ratio Robust SE Confidence of interval (95 %) p-value
The Matrix treatment program (in sessions) .82 .04 .75 .9 0.000
Casual sex
 Yes 2.03 .65 1.09 3.79 0.025
 No - - - - -
Criminal offences
 Yes 1.59 .35 1.04 2.45 0.033
 No - - - - -
Duration of Amphetamines dependence (in years) 1.02 .01 1.01 1.03 0.001
Family support
 Yes .52 .12 .33 .80 0.003
 No - - - - -