TABLE 1.
Demographics and covariate frequenciesa
| Variable | Value |
|---|---|
| Continuous variables | |
| Age (yr) | |
| Mean | 19.9 |
| SD | 1.9 |
| Age at first intercourse (yr) | |
| Mean | 16.0 |
| SD | 1.8 |
| No. of days since last intercourse | |
| Mean | 32.9 |
| SD | 50.3 |
| Total lifetime no. of sexual partners | |
| Mean | 6.4 |
| SD | 8.4 |
| Categorical variables [no. of patients (%)]b | |
| Race | |
| Asian | 18 (25) |
| Black | 5 (7) |
| Latina | 15 (21) |
| White | 29 (40) |
| Other | 5 (7) |
| LMP | |
| 0-8 days | 12 (17) |
| 9-17 days | 23 (32) |
| 18-30 days | 16 (22) |
| >30 days | 21 (29) |
| HPVc | |
| −/+ | 15 (21) |
| +/+ | 18 (25) |
| −/− | 34 (47) |
| +/− | 5 (7) |
| Yeast infection, current | 7 (10) |
| Intercourse within last 24 h | 16 (22) |
| >5 WBCs/HPFd on wet-mount examination | 13 (18) |
| Positive hemoglobin in sample | 46 (64) |
| History of anal intercourse | 6 (8) |
| OCP use, current | 47 (65) |
| Medroxyprogesterone use | 5 (7) |
| Cigarette smoking within last 24 he | 20 (28) |
a
Data were obtained from 72 healthy, nonpregnant women.
b
Frequencies were zero for the following variables: recent (last 24 h) douching, tampon use, or spermicide use.
c
HPV test status at visit 4 months prior followed by HPV test status at cytokine test visit. −/+, HPV negative at prior visit but positive at cytokine test visit; +/+, HPV positive at both visits; −/−, HPV negative at both visits; +/−, HPV positive at prior visit but negative at cytokine test visit.
d
WBCs/HPF, white blood cells per high-power field.
e
Patient report of smoking of one or more cigarettes within 24 h preceding the study visit.