Table 3. Association between sexual factors and abnormal anal cytology among study participants.
| Variables | Normal n/N* (%) | Abnormal | ||
| Total n/N* (%) | ASCUS n/N* (%) | ASIL/ASC-H n/N* (%) | ||
| History of STD (except for HIV) | ||||
| No | 24/40 (60.0) | 16/40 (40.0) | 12/40 (30.0) | 4/40 (10.0) |
| Yes | 32/51 (62.7) | 19/51 (37.3) | 7/51 (13.7) | 12/51 (23.5) |
| p for difference | 0.79 | 0.06 | 0.09 | |
| Number of homosexual partners ever had | ||||
| <10 | 21/34 (61.8) | 13/34 (38.2) | 7/34 (20.6) | 6/34 (17.6) |
| 10–50 | 22/40 (55.0) | 18/40 (45.0) | 9/40 (22.5) | 9/40 (22.5) |
| >50 | 12/17 (70.6) | 5/17 (29.4) | 3/17 (17.6) | 2/17 (11.8) |
| p for difference | 0.53 | 0.92 | 0.62 | |
| Age at the first homosexual act | ||||
| <18 | 11/14 (78.6) | 3/14 (21.4) | 2/14 (14.3) | 1/14 (7.14) |
| ≥18 | 48/81 (59.3) | 33/81 (40.7) | 17/81 (21.0) | 16/81 (19.8) |
| p for difference | 0.17 | 0.73 | 0.45 | |
| Is anal sex a regular homosexual behavior? | ||||
| No | 8/11 (72.7)) | 3/11 (27.3) | 0/11 (0) | 3/11 (27.3) |
| Yes | 51/84 (60.7) | 33/84 (39.3) | 19/84 (22.6) | 14/84 (16.7) |
| p for difference | 0.53 | 0.11 | 0.41 | |
| Is receptive anal sex a regular homosexual behavior? | ||||
| No | 37/53 (69.8) | 16/53 (30.2) | 7/53 (13.2) | 9/53 (17.0) |
| Yes | 22/42 (52.4) | 20/42 (47.6) | 12/42 (28.6) | 8/42 (19.0) |
| p for difference | 0.08 | 0.06 | 0.79 | |
| Is insertive anal sex a regular homosexual behavior? | ||||
| No | 30/52 (57.7) | 22/52 (42.3) | 12/52 (23.1) | 10/52 (19.2) |
| Yes | 29/43 (67.4) | 14/43 (32.6) | 7/43 (16.3) | 7/43 (16.3) |
| p for difference | 0.33 | 0.41 | 0.71 | |
| Is oral sex a regular homosexual behavior? | ||||
| No | 3/6 (50.0) | 3/6 (50.0) | 1/6 (16.7) | 2/6 (33.3) |
| Yes | 56/89 (62.9) | 33/89 (37.1) | 18/89 (20.2) | 15/89 (16.9) |
| p for difference | 0.67 | 1.00 | 0.29 | |
| Is anilinction a regular homosexual behavior? | ||||
| No | 44/68 (64.7) | 24/68 (35.3) | 12/68 (17.6) | 12/68 (17.6) |
| Yes | 15/27 (55.6) | 12/27 (44.4) | 7/27 (25.9) | 5/27 (18.5) |
| p for difference | 0.41 | 0.36 | 1.00 | |
| Frequency of homosexual behaviors in the past 6 months | ||||
| <once a week | 48/77 (62.3) | 29/77 (37.7) | 15/77 (19.5) | 14/77 (18.2) |
| ≥once a week | 10/17 (58.8) | 7/17 (41.2) | 4/17 (23.5) | 3/17 (17.6) |
| p for difference | 0.79 | 0.74 | 1.00 | |
Abbreviation: ASCUS = atypical squamous cells of undetermined significance; ASC-H = atypical squamous cells but cannot exclude HSIL; ASIL = anal squamous intraepithelial lesions, include low-grade squamous intraepithelial lesion (LSIL) and high-grade squamous intraepithelial lesion (HSIL); HIV = human immunodeficiency virus; STD = sexually transmitted diseases.
*
Sum may not always add up to total because of missing data.