Data source, participants, and procedures
DISEASES, ABUSE
Data were drawn from a randomized controlled trial of a social network intervention targeting PWID in Odesa, Donetsk, and Mykolaiv, Ukraine. Detailed methods have been described elsewhere [The intervention arm received Ukraine’s standard of care HIV testing and counseling, an updated version of the Counseling and Education model developed during the National Institute on Drug Abuse’s cooperative agreement, and the social network intervention based on SHIELD (Self-Help in Eliminating Life-Threatening Diseases) [