 Current literature assessments have consistently identified three main findings: (1) involvement of family members during the pre-treatment phase significantly improves engagement of substance abusers in treatment;
<clarity>  Current literature assessments have consistently identified three main findings: (1) involvement of family members during the pre-treatment phase significantly improves engagement of substance abusers in treatment;
 Current literature assessments have consistently identified three main findings: (1) involvement of family members during the pre-treatment phase significantly improves engagement of people who use substances in treatment;