Table 1. Behavioral Assessments in VOICE.

Assessment	When administered	Mode of administration	Used in analysis
Demographics	Screening	Interviewer	yes
Baseline behavioral assessment	Enrollment	Interviewer	no
Monthly product adherence and behavioral assessment (MBA)	Monthly (not administered at quarterly, semiannual, annual or PUEV visits)	Interviewer	yes
Oral product adherence and behavioral assessment (OPA)	Quarterly, PUEV	Interviewer	yes
Vaginal product adherence and behavioral assessment (VPA)	Quarterly, PUEV	Interviewer	yes
Menstrual practices and study disclosure assessment	Annual, PUEV, scheduled study exit (excludes early termination)	Interviewer	no
Audio computer assisted self-interviewing assessment (adherence, acceptability, sexual activity, intra-vaginal practices, product sharing)	Enrollment, quarterly, annual, PUEV, exit, (also administered when product held/discontinued for prior 4 weeks)	Self-administered via computer	no
Study exit behavior assessment	Scheduled study exit (excludes early termination visits)	Interviewer	no
Termination visit (TVB and TOB)	Exit	Interviewer	yes

PUEV=product use end visit