Table 3. Characteristics of male-female couples by HPV transmission status*.
| Characteristic | Transmission (n = 16 couples) | No transmission (n = 9 couples) | p value |
|---|---|---|---|
| Mean age (SD) | |||
| M | 25.4 (8.8) | 32.2 (14.4) | 0.22 |
| F |
25.5 (10.2) |
26.3 (7.3) |
0.82 |
| Length of relationship, mo, median (range) |
10.7 (1.9–73.4) |
13.1 (0.23–185) |
0.22 |
| Monthly frequency of sexual intercourse, mean (SD) |
17.7 (10.0) |
6.9 (7.8) |
0.0002 |
| Lifetime no. sexual partners, mean (SD) | |||
| M | 13.9 (10.4) | 5.9 (5.1) | 0.04 |
| F |
6.7 (6.1) |
2.8 (2.2) |
0.08 |
| Circumcised man, no. (%) |
13 (81) |
7 (78) |
0.84 |
| Sexual practices (ever/never), no. (%) | |||
| Vaginal intercourse | 32 (100) | 18 (100) | 1.00 |
| Anal intercourse | 14 (44) | 6 (33) | 0.47 |
| Oral-vaginal | 29 (91) | 13 (72) | 0.09 |
| Oral-penile | 32 (100) | 17 (94) | 0.18 |
| Oral (M)–anal (F) | 6 (19) | 0 | 0.05 |
| Oral (F)–anal (M) | 2 (6) | 0 | 0.28 |
| Finger/other object-vaginal | 28 (88) | 18 (100) | 0.12 |
| Finger/other object (M)–anal (F) | 9 (28) | 4 (22) | 0.65 |
| Finger/other object (F)–anal (M) |
12 (38) |
4 (22) |
0.27 |
| Contraception ever used with partner, no. (%) | |||
| Birth control pill | 21 (66) | 8 (44) | 0.15 |
| Birth control shot | 6 (19) | 0 | 0.05 |
| “Morning after” pill | 15 (16) | 0 | 0.08 |
| Spermicides | 3 (9) | 2 (11) | 0.84 |
| Withdrawal | 19 (59) | 5 (28) | 0.03 |
| Vasectomy | 2 (6) | 4 (22) | 0.10 |
| Female condom | 2 (6) | 3 (17) | 0.24 |
| Abstinence | 5 (16) | 8 (44) | 0.03 |
| Condom |
26 (81) |
16 (89) |
0.48 |
| Frequency of condom use (prior 4 mo), no. (%) | |||
| Always | 1 (3) | 10 (56) | |
| Never/some use† |
31 (97) |
8 (44) |
<0.0001 |
| Sexually transmitted infection history, no. (%) | |||
| Chlamydia | 4 (13) | 0 | 0.12 |
| Genital herpes |
1 (3) |
2 (11) |
0.25 |
| Cigarette smoking (ever)‡, no. (%) | |||
| M | 9 (56) | 3 (33) | 0.27 |
| F | 4 (25) | 0 | 0.10 |
*HPV, human papillomavirus; SD, standard deviation. . †Some use defined as usage less than half the time, half the time, or more than half the time. ‡History of smoking daily for >6 months.