Table 1.

Baseline characteristics of women potentially eligible for one or more analyses of HPV type–specific incidence (with satisfactory swab results at three or more trial visits)

Variablen = 1,694
n (%)
Age group, y
  16-19594 (35.1)
  20-231,100 (64.9)
Region
  Asia154 (9.1)
  Australia/New Zealand139 (8.2)
  Europe315 (18.6)
  South/Central America403 (23.8)
  North America683 (40.3)
Tobacco use
  Current user411 (24.3)
  Ex-user195 (11.5)
  No reported use1,088 (64.2)
Contraceptive use
  Barrier method (no chemical method)490 (28.9)
  Chemical method (no barrier method)728 (43.0)
  Barrier and chemical methods158 (9.3)
  Other/no method318 (18.8)
Lifetime number of sex partners
  0107 (6.3)
  1-2949 (56.0)
  3-4638 (37.7)
Past pregnancy
  Yes311 (18.4)
  No1,383 (81.6)