TABLE 1.
HIV-positive and discordant gay male couples’ use of substances with sex within and outside their relationship, by substance type
| Neither partner | Only by one partner | By both partners | |
|---|---|---|---|
| % (N) | % (N) | % (N) | |
| Substance use with sex within the relationship (main partner) | |||
| Sample size: 86 dyads | |||
| Alcohol | 23.3 (20) | 24.4 (21) | 52.3 (45) |
| Marijuana | 58.1 (50) | 12.8 (11) | 29.1 (25) |
| Amyl nitrates | 70.9 (61) | 10.5 (9) | 18.6 (16) |
| EDM | 65.1 (56) | 18.6 (16) | 16.3 (14) |
| Party drugsa | 75.6 (65) | 18.6 (16) | 5.8 (5) |
| Substance use with sex outside the relationship (outside partner(s))b | |||
| Sample size: 30 dyads | |||
| Alcohol | 40.0 (12) | 43.3 (13) | 16.7 (5) |
| Marijuana | 66.7 (20) | 26.7 (8) | 6.7 (2) |
| Amyl nitrates | 63.3 (19) | 26.7 (8) | 10.0 (3) |
| EDM | 53.3 (16) | 36.7 (11) | 10.0 (3) |
| Party drugsa | 90.0 (27) | 6.7 (2) | 3.3 (1) |
aRepresents ecstasy, ketamine, GHB, cocaine, and crystal methamphetamine
bOnly includes couples with one or both partners who self-reported having had sex with a casual MSM partner outside of the relationship