Table 3.

Effect of matching services to needs on overall and primary drug use improvement among patients with service need.

	Parameter estimate (standard error)a
Domain of service need	Overall drug use improvement	Primary drug use improvement
Medical	0.174 (0.091) [P = 0.057]	0.125 (0.070) [P = 0.076]
Mental health	0.134 (0.088)	0.000 (0.067)
Family	0.162 (0.084) [P = 0.056]	0.140 (0.065)b
Vocational	0.427 (0.121)d	0.284 (0.092)c
Housing	0.472 (0.105)d	0.233 (0.081)c

^aFrom multivariate mixed model regressions controlling for past-year peak level of drug use, reduction from past-year peak in the month prior to treatment entry, gender and program treatment modality and clustering patients within programs.

^bP < 0.05;

^cP < 0.01;

^dP < 0.001.