Table 2.
Sexua l be havior and substance use differences by the most recent type of group sexevent (n = 1815)
| The most recent time you engaged in any sexual activity with more than one other person, what kind of experience was it? |
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|---|---|---|---|---|---|---|---|---|---|---|
| Group a | Group b | Group c | ||||||||
| Threesome n = 1238 |
Spontaneous group sexn = 358 |
Organized sex partyn = 219 |
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| Contextual factors of most recent encounter involving more than one person |
n | % | n | % | n | % | χ2 | df | p | Post hoc† |
| How long ago was it? | ||||||||||
| Within past month | 410 | 33.1 | 158 | 44.1 | 78 | 35.6 | 17.74 | 6 | 0.01 | a ≠ b |
| One to three months | 263 | 21.2 | 73 | 24.4 | 42 | 19.2 | ||||
| Four to twelve months | 245 | 19.8 | 49 | 13.7 | 45 | 20.5 | ||||
| More than a year | 320 | 25.8 | 78 | 21.8 | 54 | 24.7 | ||||
| In a relationship at the time? | ||||||||||
| Yes | 408 | 33.0 | 123 | 34.4 | 52 | 23.7 | 8.27 | 2 | 0.02 | a, b > c |
| Did your partner know about this experience? (n = 583) | ||||||||||
| Yes, I attended with my partner | 181 | 44. 4 | 39 | 31. 7 | 10 | 19. 2 | 19. 20 | 4 | 0.001 | a > b, c |
| Yes, I attended without my partner, but he knew/knows about it |
57 | 14.0 | 29 | 23.6 | 13 | 25.0 | ||||
| No, I attended without my partner, and he still doesnt know I went |
170 | 41. 7 | 55 | 44. 7 | 29 | 55. 8 | ||||
| Substance use before or during this experience. (select all that apply) | ||||||||||
| Alcohol (5 or more drinks) | 396 | 32.0 | 147 | 43.9 | 71 | 32.4 | 17.76 | 2 | < .001 | b > a, c |
| Erection drugs (Viagra , Cialis, etc .) | 160 | 12. 9 | 78 | 21. 8 | 38 | 17. 4 | 17.81 | 2 | < .001 | a < b |
| Cocaine (coke, blow) | 57 | 4.6 | 30 | 8.4 | 9 | 4.1 | 8.59 | 2 | 0.014 | b > a, c |
| Crystal meth (crystal, tina) | 77 | 6.2 | 56 | 15.6 | 15 | 6.8 | 33.48 | 2 | < .001 | b > a, c |
| Ecstasy (MDMA, X, E) | 38 | 3.1 | 26 | 7.3 | 9 | 4.1 | 12.65 | 2 | 0.002 | b > a, c |
| GHB/GBL (gamma-Hydroxybutyric acid/gamma-Butyrolactone) | 25 | 2.0 | 21 | 5.9 | 7 | 3.2 | 14.56 | 2 | 0.001 | a < b |
| Ketamine | 9 | 0.7 | 15 | 4.2 | 1 | 0.5 | NA | -- | -- | |
| Marijua na/hash (pot, weed) | 281 | 22. 7 | 100 | 27. 9 | 46 | 21. 0 | 5. 11 | 2 | 0.08 | -- |
| Crack (rock, freebase) | 15 | 1.2 | 10 | 2.8 | 3 | 1.4 | NA | -- | -- | |
| Heroin | 11 | 0. 9 | 5 | 1.4 | 3 | 1.4 | NA | -- | -- | |
| Poppers | 348 | 28. 1 | 137 | 38. 3 | 74 | 33. 8 | 14.49 | 2 | 0.001 | a < b |
| Any stimulant use (cocaine, meth, crack) | 142 | 11.5 | 67 | 18.7 | 26 | 11.9 | 13.18 | 2 | 0.001 | b > a, c |
| What behaviors did you engage in during this experience (select all that apply) | ||||||||||
| Insertive anal sex (topping) with a condom | 490 | 39.6 | 113 | 31.6 | 73 | 33.3 | 9.26 | 2 | 0.01 | a > b |
| Insertive anal sex (topping) without a condom | 400 | 32.3 | 127 | 35.5 | 69 | 31.5 | 1.46 | 2 | 0.48 | -- |
| Receptive anal sex (bottoming) with a condom | 469 | 37.9 | 144 | 40.2 | 65 | 29.7 | 6.92 | 2 | 0.03 | a, b > c |
| Receptive anal sex (bottoming) without a condom | 397 | 32.1 | 155 | 43.3 | 60 | 27.4 | 20.12 | 2 | < .001 | b > a, c |
| Giving head (blow job) | 1089 | 88.0 | 312 | 87.2 | 179 | 81.7 | 6.41 | 2 | 0.04 | a > c |
| Getting head (blow job) | 1073 | 86.7 | 306 | 85.5 | 176 | 80.4 | 6.05 | 2 | 0.049 | a > c |
| Mutual masturbation (jerking each other off) | 817 | 66.0 | 242 | 67.6 | 134 | 61.2 | 2.60 | 2 | 0.27 | -- |
| Rimming someone else (eating ass) | 577 | 46.6 | 185 | 51.7 | 88 | 40.2 | 7.29 | 2 | 0.03 | b > c |
| Getting rimmed (having my ass eaten) | 710 | 57.4 | 288 | 63.7 | 116 | 53.0 | 7.24 | 2 | 0.03 | b > a, c |
| Fisting | 40 | 3.2 | 23 | 6.4 | 12 | 5.5 | 8.29 | 2 | 0.02 | a < b |
| Getting fisted | 22 | 1. 8 | 21 | 5.9 | 7 | 3.2 | 17.51 | 2 | < .001 | a < b |
| Pissing/being pissed on | 112 | 9. 0 | 68 | 19. 0 | 32 | 14. 6 | 28.71 | 2 | < .001 | a < b, c |
| Scat play (fecal play) | 8 | 0.6 | 7 | 2.0 | 2 | 0.9 | 5.13 | 2 | 0.08 | -- |
| Felching ( sucking cum out of ass ) | 23 | 1. 9 | 29 | 8.1 | 17 | 7.8 | 40.28 | 2 | < .001 | a < b, c |
| Toy play (dildo, vibrators , etc . ) | 192 | 15. 5 | 83 | 23. 2 | 44 | 20. 1 | 12.38 | 2 | 0.002 | a < b |
| BDSM (bondage and domination, sadism and masochism) | 84 | 6. 8 | 53 | 14. 8 | 23 | 10. 5 | 23.10 | 2 | < .001 | a < b |
| Md | IQR | Md | IQR | Md | IQR | χ2 * | df | p | ||
| How many men did you have sex with during this experience | 2 | 2–3 | 4 | 2–5 | 4 | 2–6 | 254 | 2 | 0.001 | a < b, c |
†
Partial chi-square used for post hoc
*
Kruskal Wallis Chi-Square (non-parametric equivalent to ANOVA). Paired Mann Whitney U used as a post hoc
NA: Not applicable. Chi-square test cannot be performed. Expected counts fell below 5 in one or more cells