“…These results are consistent with findings from our formative research, and reflect an absolute increase of 30% in the proportion of stable male partners notified and 15% among casual male partners (31). Synthesizing this data with our formative research findings, the positive effect of web-based-based systems on notification outcomes may be due to multiple factors, including the availability of an anonymous mechanism to notify partners of a potentially stigmatizing diagnosis, the ability to contact partners for whom only an e-mail address is known, and the opportunity to replicate existing methods of communication among young people already accustomed to communicating through online networks (30,43).…”