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Table 5 Relative risk of contraceptive failure according to survey year stratified by last contraceptive method

From: A rise in births following contraceptive failure in France between 2010 and 2016: results from the French national perinatal surveys

  Contraceptive failure
Pill IUD/patch/implant/vaginal ring Male condom Withdrawal, periodic abstinence or other method
aRRa 95% CI aRRa 95% CI aRRa 95% CI aRRa 95% CI
2010 Ref Ref Ref Ref
2016 1.40 1.26–1.56 0.99 0.69–1.43 1.43 1.13–1.80 1.00 0.70–1.43
  1. aRR, adjusted risk ratio; CI, confidence interval
  2. aAdjusted for maternal age, country of birth, parity, abortion history, level of education, live with a partner, monthly household resources and health insurance coverage at the beginning of pregnancy