Table 5.

Comparison and odds of having a recently broken sexual agreement according to HIV-negative gay male couples’ use of substances with sex

	Recent adherence to sexual agreement
	One or both partners had broken their agreement		Both partners in couple kept their agreement(ref)
Sample size: 162 dyads	N = 30 dyads		N =132 dyads
Substance use with sex	One or both partners used		One or both partners used
Within relationship	N	%	N	%	AOR	CI
Party drugsa	5	17	14	11	1.61	0.53 – 4.93
Marijuana	16	53	41	31	2.28*	1.01 – 5.10
Alcohol	28	93	110	83	2.79	0.61 – 12.68
EDMb	9	30	23	17	1.91	0.77 – 4.74
Amyl nitrates	11	37	17	13	3.84**	1.55 – 9.55
Sample size: 67 dyads, 112 gay men	N = 42 gay men		N = 70gay men
Outside of relationshipc	N	%	N	%	AOR	CI
Party drugsa	7	17	7	10	1.56	0.34 – 7.16
Marijuana	20	48	16	23	2.42	0.78 – 7.51
Alcohol	30	71	45	64	1.29	0.41 – 4.11
EDMb	13	31	21	30	0.80	0.25 – 2.62
Amyl nitrates	19	45	23	33	1.70	0.57 – 5.02

Notes.

Findings in this table were produced from couple-level analyses. Logistic regression models for within the relationship controlled for engagement of unprotected anal intercourse with the main partner where as the logistic regression models for outside the relationship controlled for unprotected anal intercourse with a casual MSM partner.

AOR adjusted odds ratio, CI confidence interval

^*p<.05,

^**p<.01

^aParty drugs include ecstasy, ketamine, GHB, cocaine, and methamphetamine.

^bEDM denotes Erectile Dysfunction Medication.

^cRates, percentages and adjusted odds ratios only included those who reported they had sex with a casual MSM partner within the prior three months to assessment.