Table 5.

Multivariate model of relative risk of cervical cancer among HPV-positive women

CasesControlsAdjusted OR*95% Confidence interval
Age (y)
    ≤441171211.0
    ≥45118880.80.5-1.3
Race
    White, non-Hispanic1411121.0
    Black65840.40.2-0.7
    Other28131.80.8-4.0
Education (y)
    <12112561.0
    ≥121231530.50.3-0.8
Income ($/y)
    ≤10,000105551.0
    >10,000/unknown1301540.60.3-1.0
Pap smear screening
    ≤4 y ago/never abnormal961571.0
    ≤4 y ago/abnormal45244.02.1-7.5
    >4 y ago/never abnormal51115.82.7-12.3
    >4 y ago/abnormal518.81.0-81.7
    Never34123.41.5-7.6
    Unknown341.30.3-6.6
History of nonspecific genital infection
    Never1991951.0
    Ever36144.62.2-9.9
Yeast infection
    Never1741181.0
    Ever61910.50.3-0.8
Smoking
    Never931101.0
    <20 cigarettes/d/<20 y22271.20.6-2.4
    <20 cigarettes/d/≥20 y24221.20.5-2.7
    ≥20 cigarettes/d/<20 y33271.60.8-3.3
    ≥20 cigarettes/d/≥20 y63232.81.5-5.3
  • * Adjusted for all other variables in table.