Table 2. Characteristics of studies.
| Trial | Study design | Location | Client demographics | CHW demographics | Intervention | Implemention supports described | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|
|
|
||||||||||||
| N (interention) | Age group | Race/ethnicity | N | Race/ethnicity | Minimum education level | Setting | CHW primary role | Target problem | Practice Type | Training | Supervision | Fidelity monitoring | |||
| 1. Ali et al. (2003)* Gul and Ali (2004)* |
RCT | LMIC | 366 (216) | Adult | Asian | 21 | Asian | N/R | Home | Sole provider | Depression anxiety | Evidence-informed | Yes | N/R | N/R |
| 2. Ayon et al. (2014)* | Pre/post | US | 71 | Child/family | Latino | 36 | Latino | BA | Schools, community | Sole provider | Substance Use | Novel | Yes | N/R | N/R |
| 3. Barlow et al. (2013)* Barlow et al. (2015)* |
RCT | US | 322 (159) | Child/family | Native American | N/R | Native American | N/R | Home | Sole provider | Parenting | Novel | Yes | N/R | Yes |
| 4. Bolton et al. (2003)* Bass (2006)* |
RCT | LMIC | 284 (139) | Adult | African | N/R | African | High school | N/R | Sole provider | Depression | EBT | Yes | N/R | N/R |
| 5. Bolton et al. (2014a)* | RCT | LMIC | 281 (215) | Adult | Middle Eastern | 20 | Middle Eastern | High school | Medical | Sole provider | Depression | EBT | Yes | Yes | N/R |
| 6. Bolton et al. (2014b)* | RCT | LMIC | 347 (182) | Adult | Asian | 20 | Asian | High school | Home, community | Sole provider | Anxiety depression trauma | Evidence-informed | Yes | Yes | Yes |
| 7. Edelblute et al. (2014) | Pre/post | LMIC | 60 | Adult | Latino | 7 | Latino | N/R | Community | Stepped care | Anxiety depression | Evidence-informed | N/R | Yes | N/R |
| 8. Ernst et al. (1999)* | RCT | US | 96 (65) | Child/family | African American, Native American, Asian, Latino | N/R | N/R | N/R | Home | Case management | Substance use | Novel | N/R | N/R | N/R |
| 9. Ertl (2011) | RCT | LMIC | 85 (29) | Child/family | African | 14 | African | N/R | Community | Sole provider | Depression | EBT | Yes | Yes | Yes |
| 10. Fayyaad et al. (2010)* | Pre/post | LMIC | 87 | Child/family | Middle Eastern | 20 | Middle Eastern | BA | Community | Sole provider | Trauma | Evidence-informed | Yes | Yes | N/R |
| 11. Ginsburg et al. (2012)* | RCT | US | 47 (22) | Child/family | Native American | 47 | Native American | AA | Home, mental health clinic | Sole provider | Parenting | Evidence-informed | Yes | Yes | Yes |
| 12. Han et al. (2012)* | Pre/post | US | 9 | Adult | Asian | 1 | Asian | N/R | Mental health clinic | Co-Therapy | Prenatal depression | Novel | Yes | N/R | N/R |
| 13. Hirani et al. (2010) | RCT | LMIC | 24 (7) | Adult | Asian | N/R | Asian | N/R | Community | Sole provider | Depression | Evidence-informed | Yes | N/R | N/R |
| 14. Hovey et al. (2014)* | Pre/post | US | 6 | Adult | Latino | 1 | Latino | N/R | Community | Co-Therapy | Anxiety depression | Evidence-informed | N/R | Yes | N/R |
| 15. Jordans et al. (2010)* | RCT | LMIC | 324 (164) | Child/family | Asian | N/R | Asian | N/R | Schools | Sole provider | Trauma | Evidence-informed | Yes | Yes | N/R |
| 16. Kaufman et al. (2013)* | Pre/post | LMIC | 36 | Child/family | Asian | 8 | Asian | Some college | Community | Sole provider | Anxiety depression | Evidence-informed | Yes | Yes | Yes |
| 17. Magaña et al. (2015) | Pre/post | US | 19 | Child/family | Latino | 3 | Latino | N/R | Home | Sole provider | Autism | Novel | Yes | N/R | N/R |
| 18. Moore et al. (2016)* | RCT | US | 29 (14) | Adult | Latino | 4 | Latino | N/R | Community | Sole provider | Substance use | Evidence-informed | Yes | Yes | Yes |
| 19. Murray et al. (2015)* | RCT | LMIC | 157 (131) | Child/family | African | 20 | African | High school | Home, medical, schools, community | Sole provider | Trauma | EBT | Yes | Yes | Yes |
| 20. Murray et al. (2013)* | Pre/post | LMIC | 94 | Child/family | African | 18 | African | N/R | Community | Sole provider | Trauma | EBT | Yes | Yes | Yes |
| 21. Nadkarni et al. (2015)* | RCT | LMIC | 53 (27) | Adult | Asian | 12 | Asian | 10th grade | Medical | Sole provider | Substance use | Evidence-informed | N/R | Yes | N/R |
| 22. Neuner et al. (2008)* | RCT | LMIC | 277 (111) | Adult | African | 9 | African | Primary school | Community | Sole provider | Trauma | EBT | Yes | Yes | Yes |
| 23. Nimgaonkar and Menon (2015)* | Pre/post | LMIC | 268 | Adult | Asian | 114 | Asian | N/R | Medical | Stepped care | Psychiatric illnesses | Novel | Yes | Yes | N/R |
| 24. O'Donnell et al. (2014)* | Pre/post | LMIC | 64 | Child/family | African | 4 | African | Some college | Community | Sole provider | Trauma | EBT | Yes | Yes | Yes |
| 25. Papas et al. (2011)* | RCT | LMIC | 75 (42) | Adult | African | 2 | African | High school | Medical | Sole provider | Substance use | Evidence-informed | N/R | Yes | Yes |
| 26. Papas et al. (2010)* | Pre/Post | LMIC | 27 | Adult | African | 2 | African | High school | Medical | Sole provider | Substance Use | Evidence-informed | Yes | Yes | Yes |
| 27. Patel et al. (2010)* | RCT | LMIC | 2796 (1,360) | Adult | Asian | N/R | Asian | N/R | Medical | Stepped care | Anxiety/depression | Evidence-informed | Yes | N/R | N/R |
| 28. Peterson et al. (2012)* | Quasi-experimental | LMIC | 60 (30) | Adult | African | 30 | African | N/R | Mental health clinic | Sole provider | Depression | EBT | Yes | N/R | N/R |
| 29. Puffer et al. (2015)* | RCT | LMIC | 270 (135) | Child/family | African | 2 | African | N/R | Community | Sole provider | Parenting | Evidence-informed | N/R | N/R | N/R |
| 30. Rahman (2008)* | RCT | LMIC | 903 (463) | Child/family | Asian | 40 | Asian | High school | Home | Sole provider | Depression | Evidence-informed | N/R | Yes | N/R |
| 31. Roman et al. (2007)*, (2009)* | RCT | US | 613 (266) | Child/family | Latino, African American, Caucasian | N/R | N/A | High school or GED | Home | Co-therapy | Depression | Novel | Yes | Yes | N/R |
| 32. Rosenburg et al. (2002)* | RCT | US | 159 (88) | Child/family | Hispanic, African American | 3 | N/A | N/R | Home | Sole provider | Parenting | Novel | Yes | N/R | N/R |
| 33. Sorsdahl (2015)* | RCT | LMIC | 335 (225) | Adult | African | 5 | African | BA | Medical | Sole provider | Substance use | EBT & evidence-informed | Yes | Yes | Yes |
| 34. Tol et al. (2008)* | RCT | LMIC | 403 (182) | Child/family | Asian | N/R | Asian | High school | Schools | Sole provider | Trauma | Evidence-informed | Yes | N/R | N/R |
| 35. Tol et al. (2014)* | RCT | LMIC | 329 (153) | Child/Family | African | N/R | African | High school | Schools | Sole provider | Trauma | Evidence-informed | Yes | Yes | N/R |
| 36. Waitzikin (2011)* | RCT | US | 120 (N/R) | Adult | Latino | 2 | Latino | High school | Medical | Case management | Depression | Novel | Yes | N/R | N/R |
| 37. Walkup et al. (2009)* | RCT | US | 167 (81) | Child/family | Native American | N/R | Native American | High school | Home | Sole provider | Parenting | Novel | Yes | Yes | Yes |
| 38. Weiss et al. (2015)* | RCT | LMIC | 342 (228) | Adult | Middle Eastern | 29 | Middle Eastern | N/R | Home, medical | Sole provider | Trauma, anxiety, depression | EBT & Evidence-informed | Yes | Yes | Yes |
| 39. Williamson et al. (2014)* | RCT | US | 194 (113) | Child/family | Latino | N/R | Latino | N/R | Home | Sole provider | Parenting | Evidence-informed | Yes | Yes | N/R |
N/R not reported
*
Original study in a trail