Table 2

Matched pair analysis of HPV-16 serological status and SCCHN risk estimates

Matched pairsORa (95% CI)Adjusted ORb (95% CI)Adjusted ORc (95% CI)
CaseControl
HPV-16+HPV-16−
HPV-16+3465.756.216.69
HPV-16−863(2.71–12.18)(2.83–13.61)(3.01–14.90)
Never-smokers
HPV-16+1255.005.305.54
HPV-16−529(1.94–13.06)(1.95–14.37)(2.01–15.29)
Ever-smokers
HPV-16+2217.009.879.20
HPV-16−334(1.98–22.43)(2.26–43.13)(2.11–40.13)
  • a Conditional logistic regression analyses on matching variables.

  • b Conditional logistic regression analyses on matching variables, adjusted for alcohol status.

  • c Conditional logistic regression analyses on matching variables, adjusted for alcohol and cotinine level.