Table 1: Descriptive representation of cases and controls.

Cases ()Control () value
NumberPercentageNumber Percentage

(years)51.1 (10.8)43.2 (13.9)<0.001
Type of cancer/VIN
 VIN I918
 VIN II/III2551
 Vulvar cancer1531
Genital hair removal
 Yes398016068.40.1
 Not at all10207431.6
Extent of hair removal
 Not at all10187431.60.02
 Without labia majus6145925.2
 With labia majus48104.3
 Complete genital hair removal29599138.9
Method of hair removal
 Not at all10207431.60.02
 Shaving367315867.5
 Waxing3610.4
 Other0010.4
For how many years the participant removed the pubic 10 (5–20)10 (0–14)0.05
Inflammation
 Yes4081,636226.5<0.0001
 No918,3717273.5
HPV status
 Positive2142,862912.4<0.0001
 Negative2142,8619482.9
 Not known714,29114.7
Smoking status
 Yes2755,106929.5<0.001
 No1122,4511448.7
 History1122,455121.8

Mean (standard deviation); categorical variables: Chi-square test or Fisher’s exact test; metric variables: ANOVA.