The comparability of men who have sex with men recruited from venue-time-space sampling and facebook: a cohort study.
Alfonso C Hernández-RomieuPatrick Sean SullivanTravis Howard SanchezColleen F KelleyJohn L PetersonCarlos Del RioLaura Francisca SalazarPaula M FrewEli Samuel RosenbergPublished in: JMIR research protocols (2014)
VBTS and Facebook recruitment methods yielded similar samples of MSM in terms of HIV-testing patterns, and prevalence of HIV/STI, with no differences in study retention. Most Facebook-recruited men also attended venues where VTBS recruitment was conducted. Surveillance and research studies may recruit via Facebook with little evidence of bias, relative to VBTS.