Table 1

Cohort sizes defined by answers to Q2 and Q3

Q2 answerNo of usersPercentage of all Q2 respondents
Condom241139.2
Hormonal contraceptive*149924.4
Withdrawal88514.4
None5358.7
Copper IUD4797.8
Fertility awareness2353.8
Diaphragm611.0
Spermicide420.7
Q3 answerNo of usersPercentage of all Q3 respondents
Contraceptive pill**402377.1
Hormonal IUD**5039.6
Hormonal ring**3907.5
Implant**3025.8
  • *Not recently used (>60 days before starting Natural Cycles).

  • ** Recently used (≤60 days before Natural Cycles).

  • IUD, intrauterine device.