Appendix B Characteristics of programs, total staff, and enrolled staff by intervention condition^*

	Overall		RS		CEP
Programs
Number of programs, n	95		46		49
South Los Angeles (vs. Metro), n, %	52	54.7	24	52.2	28	57.1
Service sector, n, %
Healthcare sectors
Primary care	17	17.9	8	17.4	9	18.4
Mental health services	18	18.9	10	21.7	8	16.3
Substance abuse	20	21.1	11	23.9	9	18.4
Social-community sectors
Homeless services	10	10.5	5	10.9	5	10.2
Community-based†	30	31.6	12	26.1	18	36.7
# programs >1 staff participate in kick-off conference, n, %	45.7	47.4	22	44.9	23	46.9
Eligible staff‡
Number of total staff with client contact,¶ n	1621		723		898
Attend kick off conference, n, %	104	6.4	56	7.7	48	5.3
South Los Angeles (vs. Metro), n,%	809	49.9	320	44.3	489	54.5
Service sector, n, %
Healthcare sectors
Primary care	493	30.4	201	27.8	292	32.5
Mental health services	290	17.9	110	15.2	180	20.0
Substance abuse	264	16.3	132	18.3	132	14.7
Social-community sectors
Homeless services	168	10.4	94	13.0	74	8.2
Community-based	406	25.0	186	25.7	220	24.5

^*Chi-square test was used for a comparison between the two study groups. Analysis of staff data was accounted for the design effect of the cluster randomization. p>0.05 for all comparisons between the two study groups.

^†Community-based programs: social services, child welfare, faith-based, food banks, parks and recreation, senior centers, barber shops, beauty salons, exercise clubs

^‡Total staff were any administrators or providers at enrolled study programs. Study providers are defined as any individuals – volunteers and employed, professional and non-professionals with direct client contact. Total staff numbers were estimated from administrator surveys.

^¶One provider was across intervention arms and excluded for the count.