|Table 6: Logistic regression of anomalous cell (mean ± SD/1000 cells) for HNC risk.|
|OR: odds ratio, CI: confidence interval.|
aThe 75th percentiles of the controls’ MN and BN frequencies were used as the cutoffs to assign the study subjects to either the low-frequency group or the high-frequency group.
bAdjusted for age and gender.
cAdjusted for age, gender, tobacco (smoking and chewing), alcohol, and occupational exposure.