Table 4.

Comparison and Associated Risk Ratio among Gender/Sexual Orientation within Categories of Sexual Risk Behaviors

	Study interest			Reference type			GEE-Negative binomial
	Condom	Partner	Gender	Condom	Partner	Gender	IRR	95% CI		P-value
Main effects
	condom use		WSM	condom use		MSM	1.06	0.89	1.26	0.496
	condom use		WSM	condom use		MSW	1.15	0.97	1.37	0.109
	condom use		MSM	condom use		MSW	1.08	0.93	1.26	0.306
	condomless		WSM	condomless		MSM	1.30	1.05	1.62	0.018
	condomless		WSM	condomless		MSW	1.02	0.85	1.21	0.861
	condomless		MSM	condomless		MSW	0.78	0.63	0.96	0.022
		primary	WSM		primary	MSM	1.99	1.65	2.39	<.0001
		primary	WSM		primary	MSW	1.03	0.89	1.19	0.728
		primary	MSM		primary	MSW	0.52	0.43	0.62	<.0001
		non-primary	WSM		non-primary	MSM	0.69	0.56	0.85	0.001
		non-primary	WSM		non-primary	MSW	0.87	0.70	1.09	0.232
		non-primary	MSM		non-primary	MSW	1.26	1.03	1.54	0.024
Interactions
	condom use	primary	WSM	condom use	primary	MSM	1.19	0.93	1.52	0.159
	condom use	primary	WSM	condom use	primary	MSW	0.94	0.77	1.15	0.567
	condom use	primary	MSM	condom use	primary	MSW	0.79	0.62	1.01	0.063
	condom use	non-primary	WSM	condom use	non-primary	MSM	0.74	0.57	0.96	0.026
	condom use	non-primary	WSM	condom use	non-primary	MSW	1.22	0.94	1.60	0.140
	condom use	non-primary	MSM	condom use	non-primary	MSW	1.65	1.36	2.00	<.0001
	condomless	primary	WSM	condomless	primary	MSM	2.02	1.60	2.56	<.0001
	condomless	primary	WSM	condomless	primary	MSW	1.04	0.87	1.25	0.647
	condomless	primary	MSM	condomless	primary	MSW	0.51	0.41	0.65	<.0001
	condomless	non-primary	WSM	condomless	non-primary	MSM	0.64	0.48	0.86	0.003
	condomless	non-primary	WSM	condomless	non-primary	MSW	0.66	0.49	0.89	0.006
	condomless	non-primary	MSM	condomless	non-primary	MSW	1.03	0.76	1.39	0.859