The sexual practice of international students who reported having sex during study in China (n=196）
| Items | Total n (%) | Male (n=134) n (%) | Female (n=62) n (%) | χ2 | P value |
| Sexual orientation | 0.46 | 0.796 | |||
| Heterosexuality | 186 (94.9) | 128 (95.5) | 58 (93.5) | ||
| Homosexual | 4 (2.0) | 1 (0.7) | 1 (1.6) | ||
| Bisexual | 8 (4.1) | 5 (3.7) | 3 (4.8) | ||
| The number of sexual partner(s) | 8.85 | 0.003 | |||
| Single | 99 (50.5) | 58 (43.3) | 41 (66.1) | ||
| Multiple | 97 (49.5) | 76 (56.7) | 21 (33.9) | ||
| Have you had regular sexual partners during the China study period? | 8.96 | 0.003 | |||
| No | 27 (13.8) | 50 (37.3) | 10 (16.1) | ||
| Yes | 169 (86.2) | 84 (62.7) | 52 (83.9) | ||
| Have you had casual sexual partners during the China study period? | 5.39 | 0.020 | |||
| No | 90 (45.9) | 54 (40.3) | 36 (58.1) | ||
| Yes | 106 (54.1) | 80 (59.7) | 26 (41.9) | ||
| Have you had commercial sexual partners during the China study period? | 7.85 | 0.005 | |||
| No | 175 (89.3) | 114 (85.1) | 61 (98.4) | ||
| Yes | 21 (10.7) | 20 (14.9) | 1 (1.6) | ||
| Have you had group sex during the China study period? | 0.73 | 0.394 | |||
| No | 182 (92.6) | 123 (91.8) | 59 (95.2) | ||
| Yes | 14 (7.1) | 11 (8.2) | 3 (4.8) | ||
| Have you had oral intercourse during the China study period? | 0.01 | 0.943 | |||
| No | 124 (63.3) | 85 (63.4) | 39 (62.9) | ||
| Yes | 72 (36.7) | 49 (36.6) | 23 (37.1) | ||
| Have you had anal intercourse during the China study period? | 2.44 | 0.118 | |||
| No | 173 (88.3) | 115 (85.8) | 58 (93.5) | ||
| Yes | 23 (11.7) | 19 (14.2) | 4 (6.5) | ||
| Have you had vaginal intercourse during the China study period? | 0.16 | 0.692 | |||
| No | 38 (19.4) | 27 (20.1) | 11 (17.7) | ||
| Yes | 158 (80.6) | 107 (79.9) | 51 (82.3) |