This study involved a randomized attention controlled trial of 102 individuals recruited on the inpatient psychiatry service at the New Jersey VA with a substance abuse disorder and a severe and persistent mental illness. Subjects were randomly assigned to one of two conditions: 1) treatment-as-usual in inpatient and outpatient services plus 8 weeks of Time Limited Care-Coordination (TLC), a brief linkage augmentation intervention or 2) treatment-as-usual along with 8 weeks of matched attention in the form of health education sessions (TAU+A). The data analytic plan included descriptive and advanced statistical analysis.