Table 2. Study characteristics.

Authors	Objective	Sample	Study design	Outcomes
Glueckauf et al. [2012]	Compare the effects of telephone-based and face-to-face CBT on changes in caregiver burden, assistance support, depression, and health status for African American caregivers with depression	N=11 (6 treatment, 5 control); African American caregivers with depression (age 18+); 91% female	• Randomized controlled trial • Two-phases (focus group and pilot study) • Telephone-based CBT treatment group • Face-to-face CBT control group • Trained counselors • Weekly CBT sessions ×12 weeks • Pre and post treatment assessments • Validated measures for selected outcomes: CES-D, CAI, ISEL	Significant within-subjects effects for time were found across CG subjective burden (P<0.02), assistance support (P<0.03), and depressive symptoms (P<0.05) post-treatment; no statistically significant effects for group (telephone vs. face-to-face CBT) and the group × time interaction (all P>0.05) on any of the measures
Hightow-Weidman et al. [2015]	Assess overall levels of intervention (HealthMpowerment.org) acceptability, satisfaction, and initial effect sizes of outcomes known to be associated with sexual risk behaviors	N=15; young Black MSM/Transgender women (age 18–30); 60% of participants HIV-positive	• Prospective cohort study • Peer support • Participants asked to spend at least 1 hour/week on a mobile phone-optimized website ×4 weeks • Survey administered at baseline and 1-month follow-up • Validated measures for selected outcomes: CES-D	Statistically significant improvements for social support (P=0.012), social isolation (P=0.050), and depressive symptoms (P=0.045) for study participants post-intervention
Himelhoch et al. [2011]	Determine the feasibility and depression outcomes of a telephone-based CBT intervention targeting low income, urban dwelling, HIV infected African-Americans with major depression	N=6; HIV-positive African American adults (age 18+) with major depression; 83% female	• Prospective cohort study • Telephone-based CBT • Trained therapists • 11 sessions delivered over 14 weeks • Assessments administered at baseline, midpoint and at study conclusion • Validated measures for selected outcomes: HAM-D, QIDS-SR	Statistically significant reduction of depressive symptoms (P=0.006) and depression severity (P=0.02) was observed post-intervention

CBT, cognitive behavioral therapy; CG, caregiver; MSM, men-who-have-sex-with-men; CES-D, Center for Epidemiological Studies Survey-Depression scale; CAI, Caregiver Appraisal Inventory; ISEL, Interpersonal Support Evaluation List; HAM-D, Hamilton Depression Rating Scale; QIDS-SR, Quick Inventory of Depressive Symptomology.