Difference in proportions between women’s selection of a contraceptive method after counseling versus before counseling (using questionnaires where both post-counseling and pre-counseling contraceptive choices were non-missing). Pill, combined oral contraceptive pill; patch, transdermal patch; ring, vaginal ring; other method, other contraceptive method; undecided, women did not show a preference for the pill, patch, ring, or other method. aP < 0.001; b0.001 ≤ P < 0.01; c0.01 ≤ P < 0.05; dnot significant (P ≥ 0.05).
Egarter et al. BMC Women's Health 2013 13:9 doi:10.1186/1472-6874-13-9