Characterizing implementation strategies using a systems engineering survey and interview tool: a comparison across 10 prevention programs for drug abuse and HIV sexual risk behavior

Table 2 Summary of preventive intervention schedule characteristics

		Duration (weeks)	Number of sessions	Contact time (minutes/session)
N	Valid	14	14	14
N	Missing	1	1	1
Mean		22	25.07	56.58
Median		11	9	60
Standard deviation		33.911	16.276	32.870
Range		128.0	63	119
Percentiles	25	5.500	4.000	45
	50	12.000	9.000	60
	75	33.911	15.750	82.500

This table does not include the implementation strategy of Communities That Care (CTC), which consists of 5 required sessions and 1 optional session (4.5 days over 2-year period), and the implementation support for the Good Behavior Game (120 weeks, 2 days a week)

ISSN: 1748-5908