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Table 5 Frequency of Responses to the Question “What Percentage (or number of women out of 100) do you think would get pregnant in a year using the following methods?” (n = 25)

From: Pregnant or recently pregnant opioid users: contraception decisions, perceptions and preferences

  < 1% 1–5% 6–10% > 10% Don’t Know
Contraceptive Methoda n (%) n (%) n (%) n (%) n (%)
Tier 1 (Very Effective)
  IUD 5 (20.0%) 8 (32.0%) 5 (20.0%) 1 (4.0%) 6 (24.0%)
  Implant 8 (36.0%) 4 (16.0%) 4 (16.0%) 9 (36.0%)
  Tubal Ligation 17 (68.0%) 5 (20.0%)   1 (4.0%) 2 (8.0%)
Tier 2 (Effective)
  Oral Contraception 1 (4.0%) 7 (28.0%) 10(40.0%) 4 (16.0%) 3 (12.0%)
  Vaginal Ring 3 (12.0%) 6 (24.0%) 5 (20.0%) 11 (44.0%)
  Injection 10 (40.0%) 7 (28.0%) 3 (12.0%) 5 (20.0%)
  Hormonal Patch 1 (4.0%) 10 (40.0%) 1 (4.0%) 3 (12.0%) 10 (40.0%)
Tier 3 (Moderately Effective)
  Condom (male or female) 7 (28.0%) 10 (40.0%) 7 (28.0%) 1 (4.0%)
  Diaphragm 2 (8.0%) 6 (24.0%) 2 (8.0%) 1 (4.0%) 14 (56.0%)
Tier 4 Less Effective
  Spermicide 4 (16.0%) 5 (20.0%) 3 (12.0%) 1 (4.0%) 12 (48.0%)
None
  No method 1 (4.0%) 1 (4.0%) 22 (88.0%) 1 (4.0%)
  1. aTier rating based on World Health Organization’s (WHO) 4 tiered rating of contraceptive effectiveness