TABLE 1.

Demographics and covariate frequenciesa

VariableValue
Continuous variables
    Age (yr)
        Mean19.9
        SD1.9
    Age at first intercourse (yr)
        Mean16.0
        SD1.8
    No. of days since last intercourse
        Mean32.9
        SD50.3
    Total lifetime no. of sexual partners
        Mean6.4
        SD8.4
Categorical variables [no. of patients (%)]b
    Race
        Asian18 (25)
        Black5 (7)
        Latina15 (21)
        White29 (40)
        Other5 (7)
    LMP
        0-8 days12 (17)
        9-17 days23 (32)
        18-30 days16 (22)
        >30 days21 (29)
    HPVc
        −/+15 (21)
        +/+18 (25)
        −/−34 (47)
        +/−5 (7)
    Yeast infection, current7 (10)
    Intercourse within last 24 h16 (22)
    >5 WBCs/HPFd on wet-mount examination13 (18)
    Positive hemoglobin in sample46 (64)
    History of anal intercourse6 (8)
    OCP use, current47 (65)
    Medroxyprogesterone use5 (7)
    Cigarette smoking within last 24 he20 (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.