Table 1

Distribution of select variables among cases and controls

Cases (n = 120)Controls (n = 120)Pa
No.%No.%
Age (yrs)0.889
 <483226.73025.0
 48–533428.33025.0
 54–632520.82823.3
 >632924.23226.7
Sex1.00
 Male8873.38873.3
 Female3226.73226.7
Smoking status0.897
 Never6050.06150.8
 Ever6050.05949.2
Alcohol status0.687
 Never4235.04537.5
 Ever7865.07562.5
Cotinine level0.191
 <25 ng/ml8369.29276.7
 ≥25 ng/ml3730.82823.3
HPV-16 serological status<0.0001
 Negative7159.210990.8
 Positive4940.8119.2
  • a χ2 analysis.