Table 2.
Characteristics | Self-identified sexual orientation, n (%)
|
Average, n (%) (N = 418) | χ2c | P-value | |||
---|---|---|---|---|---|---|---|
Homosexual (N = 134) | Heterosexual (N = 106) | Bisexual (N = 140) | Uncertain (N = 38) | ||||
Gender of first sexual partner | 180.54 | 0.000 | |||||
Male | 97 (72.4) | 4 (3.8) | 15 (10.7) | 6 (15.8) | 122 (29.2) | ||
Female | 37 (27.6) | 102 (96.2) | 125 (89.3) | 32 (84.2) | 296 (70.8) | ||
Mean age at sexual debut (yrs) | 19.4 | 18.3 | 19.0 | 18.8 | 19.0 | 4.03d | 0.008 |
Mean age at sexual debut with a male (yrs) | 20.0 | 21.4 | 21.6 | 21.5 | 21.0 | 8.42d | 0.000 |
Gender of all sexual partners in the past 6 months | 132.15 | 0.000 | |||||
Male only | 113 (84.3) | 19 (17.9) | 42 (30.0) | 11 (28.9) | 185 (44.3) | ||
Male and female | 21 (15.7) | 87 (82.1) | 98 (70.0) | 27 (71.1) | 233 (55.7) | ||
Sexual activities in the past 6 monthsb | |||||||
Anal intercourse | 132 (98.5) | 95 (89.6) | 133 (95.0) | 34 (89.5) | 394 (94.3) | 10.43 | 0.015 |
Oral sex | 111 (82.8) | 80 (75.5) | 106 (75.7) | 29 (76.3) | 326 (78.0) | 2.71 | 0.439 |
Sadomasochism (SM) | 6 (4.5) | 5 (4.7) | 5 (3.6) | 2 (5.3) | 18 (4.3) | 0.32 | 0.956 |
Group sex | 4 (3.0) | 7 (6.6) | 9 (6.4) | 4 (10.5) | 24 (5.7) | 3.76 | 0.289 |
Number of anal intercourse encounters with males in the past week: median (Q1, Q3a) | 1 (1, 3) | 1 (0, 2) | 1 (0, 2) | 1 (0, 2) | 1 (0, 2) | 12.32e | 0.006 |
Anal intercourse | |||||||
Insertive only | 29 (23.4) | 22 (26.2) | 37 (29.8) | 9 (33.3) | 97 (27.0) | 1.36 | 0.714 |
Receptive only | 15 (12.1) | 17 (20.2) | 17 (13.7) | 4 (14.8) | 53 (14.8) | 1.54 | 0.673 |
Both, but mainly insertive | 15 (12.1) | 11 (13.1) | 26 (21.0) | 4 (14.8) | 56 (15.6) | 4.89 | 0.180 |
Both, but mainly receptive | 20 (16.1) | 14 (16.7) | 15 (12.1) | 3 (11.1) | 52 (14.5) | 1.92 | 0.589 |
Both, equally insertive & receptive | 45 (36.3) | 20 (23.8) | 29 (23.4) | 7 (25.9) | 101 (28.1) | 9.70 | 0.021 |
Lubricant use during anal intercourse in the past 6 months | 4.10f | 0.213 | |||||
Yes | 124 (100.0) | 83 (98.8) | 120 (96.8) | 27 (100.0) | 354 (98.6) | ||
No | 0 (0) | 1 (1.2) | 4 (3.2) | 0 (0) | 5 (1.4) | ||
Condom breakage during anal intercourse | 23.53 | 0.001 | |||||
Yes | 31 (23.7) | 12 (11.5) | 17 (12.4) | 6 (16.2) | 66 (16.1) | ||
No | 61 (46.6) | 79 (76.0) | 86 (62.8) | 21 (56.8) | 247 (60.4) | ||
Uncertain | 39 (29.8) | 13 (12.5) | 34 (24.8) | 10 (27.0) | 96 (23.5) | ||
Number of condom breakages during anal intercourse in the past 6 months: median (Q1, Q3) | 3 (2, 5) | 1 (1, 2) | 2 (1, 3) | 1 (1, 3) | 2 (1, 3) | 9.67e | 0.022 |
Q1, Q3 25th percentile and 75th percentile
Proportions don’t add up to 100% because of multiple choices
Pearson Chi-square analysis unless otherwise indicated
One-way analysis of variance
Kruskal–Wallis nonparametric test
Fisher’s exact test