Table 1.
Gay male couples’ use of substances with sex within and outside the relationship, by substance type
| Substance use with sex within relationship (main partner) | Neither partner | Only by one partner | By both partners |
|---|---|---|---|
| Sample size: 361 dyads | % (N) | % (N) | % (N) |
| Alcohol | 16.3 (59) | 24.1 (87) | 59.6 (215) |
| Marijuana | 67.0 (242) | 14.1 (51) | 18.8 (68) |
| Amyl nitrates | 83.1 (300) | 5.8 (21) | 11.1 (40) |
| EDM | 79.5 (287) | 11.4 (41) | 9.1 (33) |
| Party drugs a | 87.5 (316) | 6.7 (24) | 5.8 (21) |
|
| |||
| Substance use with sex outside relationship (outside partner(s))b | Neither partner | Only by one partner | By both partners |
|
| |||
| Sample size: 113 dyads | % (N) | % (N) | % (N) |
| Alcohol | 40.7 (46) | 35.4 (40) | 23.9 (27) |
| Marijuana | 69.0 (78) | 22.1 (25) | 8.9 (10) |
| Amyl nitrates | 66.4 (75) | 20.3 (23) | 13.3 (15) |
| EDM | 68.1 (77) | 26.6 (30) | 5.3 (6) |
| Party drugs a | 89.4 (101) | 6.2 (7) | 4.4 (5) |
Notes.
a
Represents ecstasy, ketamine, GHB, cocaine and crystal methamphetamine
b
Only includes couples with one or both partners who self-reported having had sex with a casual MSM partner outside of the relationship.