Table 2.

Recruitment for INSIGHT-BC

	Approached	Completed personal social network (PSN) surveys	Completed PSN within strategy*	Completed PSN by strategy	Completed epidemiologic survey only	Percent of total enrolled	Completed epi only surveys	Total enrolled**	Completed surveys, all
		N, % of approached	%	%	N, % of approached	%	%	N, % of approached	%
Total	1751	236 (13.5)	53.6	100	204 (11.9)	46.4	100	440 (25.1)	100
Strategy
Clinic	142	27 (19.0)	36.5	11.4	47 (33.1)	63.5	23.0	74 (52.1)	16.8
Email	1128	160 (14.2)	82.1	67.8	35 (3.1)	17.9	17.2	195 (17.3)	44.3
Mail	481	49 (10.2)	28.7	20.8	122 (25.4)	71.3	59.8	171 (35.6)	38.9

* χ² = 114.6, p < 0.001, differences in response to personal social network data by method

** χ² = 65.9, p < 0.001, differences in recruitment by method