Table 2.

Sexual behavior variables: Regression models comparing baseline to each follow-up (2.5- & 5-months) within each intervention group (MI and EI)

	Minimal Intervention (1 Session)				Enhanced Intervention (2-Session)
Number of vaginal intercourse occasions unprotected by either male or female condomsa
	Mean	Rate Ratio	p-value		Mean	Rate Ratio	p-value
Baseline	12.68	-	-	Baseline	7.10	-	-
FU1	6.75	0.53	0.02	FU1	2.29	0.41	<.0001
FU2	5.02	0.39	<.0001	FU2	2.24	0.40	<.0001
Number of female condoms useda
Baseline	0.02	-	-	Baseline	0.15	-	-
FU1	2.43	135.64	<.0001	FU1	2.40	16.78	<.001
FU2	1.04	57.97	<.0001	FU2	1.78	12.68	<.01

Percentage of vaginal intercourse occasions protected by female condomb
	Mean	Mean difference	p-value		Mean	Mean difference	p-value
Baseline	0.00	-		Baseline	0.01	-	-
FU1	0.15	0.15	<.0001	FU1	0.18	0.17	<.0001
FU2	0.08	0.08	<.0001	FU2	0.12	0.11	<.0001
Percentage of vaginal intercourse occasions protected by female or male condomb
Baseline	0.50	-	-	Baseline	0.48	-	-
FU1	0.79	.29	<.0001	FU1	0.85	.37	<.0001
FU2	0.75	.25	<.0001	FU2	0.82	.34	<.0001

If used a female or male condom at the last sex occasionc
	% Yes	Odds Ratio	p-value		% Yes	Odds Ratio	p-value
Baseline	56.80	-	-	Baseline	51.00	-	-
FU1	86.60	4.95	<.0001	FU1	82.00	4.35	<.0001
FU2	80.20	3.10	<.0001	FU2	86.00	5.93	<.0001

Total number of vaginal intercourse occasionsa
	Mean	Rate Ratio	p-value		Mean	Rate Ratio	p-value
Baseline	23.75	-	-	Baseline	18.20	-	-
FU1	21.45	0.90	0.35	FU1	22.19	1.22	0.11
FU2	18.34	0.77	0.02	FU2	18.78	1.03	0.83

If hormonal contraceptive use at the last sex occasionc
	% Yes	Odds Ratio	p-value		%Yes	Odds Ratio	p-value
Baseline	12.50	-	-	Baseline	9.90	-	-
FU1	13.40	1.08	0.75	FU1	12.30	1.27	0.42
FU2	9.40	0.73	0.29	FU2	12.20	1.26	0.55

^aPoisson regression model

^bLinear regression model

^cLogistic regression model