 The overarching goal of the study is to translate research-based treatment procedures that have been shown to improve outcomes for both DM and MDD for use in primary care. More specifically, the aims are: 1 to evaluate the benefits of CDDI in improving diabetic outcomes compared to usual care for MDD plus disease self-management for diabetes; 2 to evaluate the benefits of CDDI in improving depression outcomes compared to the UC for MDD treatment protocol; and 3 to evaluate the benefits of CDDI in terms of improved 1 cardiovascular risk factors blood pressure, body mass index, lipids, and abdominal fat, 2 levels of exercise and better diet, 3 clinician and patient satisfaction with care, 4 fidelity to treatment guidelines, and 5 cognitive function. 