Table 3.

Major determinants of seropositivity in controls

n% SeropositivePrevalence OR (Univariate)Prevalence [OR (95% Confidence interval; multivariate)]*
Age (y)
    <3512049.21.01.0
    35-4414144.00.80.9 (0.5-1.7)
    45-5410141.60.70.9 (0.4-1.9)
    ≥5512437.10.61.0 (0.5-2.1)
Race
    White, non-Hispanic32134.91.01.0
    White, Hispanic3138.71.21.6 (0.7-3.8)
    Black13263.63.32.0 (1.2-3.5)
    Asian/American Indian250.0NANA
Family income ($/y)
    <5,0004961.21.01.0
    5,001-10,0005942.40.50.6 (0.2-1.5)
    10,001-20,00013849.30.60.9 (0.4-2.1)
    ≥20,00122734.80.30.6 (0.3-1.3)
    Unknown1353.9NANA
Lifetime sexual partners
    119025.31.01.0
    27936.71.71.5 (0.8-2.7)
    3-49051.13.12.9 (1.6-5.2)
    5-96858.84.22.6 (1.3-5.1)
    ≥105779.011.17.7 (3.4-17.0)
Years of OC use
    022835.51.01.0
    <515046.01.51.4 (0.9-2.6)
    5-106050.01.81.9 (0.9-4.1)
    >104065.03.42.4 (1.0-5.7)
Years of condom use
    031445.21.01.0
    ≤15139.20.80.6 (0.3-1.3)
    >1-55450.01.21.1 (0.6-2.1)
    >55928.80.50.5 (0.2-1.0)
No. live births
    07939.21.01.0
    17642.11.10.9 (0.4-1.8)
    212345.51.31.6 (0.8-3.3)
    39632.30.71.0 (0.5-2.0)
    44751.11.62.2 (0.9-5.4)
    ≥56553.91.82.0 (0.9-4.5)
  • * Adjusted for all variables in table.