Table 2.

Early sexual experience characteristics of SCC cases by age at diagnosis

CharacteristicsAge 22-35 y (n = 165)
Age 36-53 y (n = 168)
Frequency* (%)Frequency (%)
AFI (y)
    Mean (SD)16.0 (2.7)17.3 (2.7)
    Median1617
    ≥1916 (10)52 (31)
    15-18118 (72)96 (57)
    <1530 (18)19 (11)
    Unknown11
Difference between AFI and age at SCC diagnosis (y)
    4-1020 (12)1 (1)
    11-20137 (83)39 (23)
    21-307 (4)114 (68)
    31-350 (0)13 (8)
No. sex partners at age <20 y
    None9 (5)26 (15)
    143 (26)56 (33)
    2-470 (42)69 (41)
    5-1434 (21)14 (8)
    ≥159 (5)3 (2)
  • * Unless otherwise indicated.