Table 3

Longitudinal assessment of impact of treatment effect on drug use outcomes over the 12-month study period (imputed cases)

Drug use outcomesTreatment vs control arm
β (95% CI)
Any drug use
 Including marijuana (n=1030)−0.1 (−0.4 to 0.3)
 Excluding marijuana (n=494)−0.1 (−0.4 to 0.2)
Frequency of drug use
 Including marijuana (n=1030)0.1 (−0.6 to 0.7)
 Excluding marijuana (n=494)−0.1 (−0.4 to 0.2)
Days of drug use
 Including marijuana (n=1030)0.5 (−4.1 to 5.1)
 Excluding marijuana (n=494)0.4 (−2.6 to 3.4)
Typical times/day of drug use
 Including marijuana (n=1030)0.1 (−0.8 to 1.1)
 Excluding marijuana (n=494)0.1 (−0.6 to 0.7)
Most times/day of drug use
 Including marijuana (n=1030)−0.1 (−1.2 to 1.0)
 Excluding marijuana (n=494)−0.1 (−1.1 to 0.8)
Drug treatment services utilisation (n=1030)0.1 (−0.3 to 0.4)