Impact and experience of participant engagement activities in supporting dapivirine ring use among participants enrolled in the phase III MTN-020/ASPIRE study

Table 3 Multivariate robust Poisson regression of use for last returned ring

	Poisson regression of ring use (> 0.9 mg of drug released)
	RR^a (95% CI)	P
N	1046
Model 1:
Attended 1+ events	1.48 (1.25–1.77)	< 0.001
Model 2:
Attended 1 event	1.40 (1.15–1.70)	0.001
Attended 2+ events	1.52 (1.27–1.81)	< 0.001

^aMultivariate model includes follow-up months and sociodemographic characteristics listed in Table 2 (country, age, marital status, educational attainment, earns an income, travel distance, and partner knowledge of study participation)

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