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Table 2 Percent of Women Surveyed Who Estimated Typical Use Efficacy By Category of Response

From: Women’s perceptions of contraceptive efficacy and safety

  Percent of Women
Correctly Estimate COC Efficacy Overestimated Efficacy of COCs Underestimated Efficacy of COCs Condoms Correctly Answered Overestimated Efficacy Underestimated Efficacy of COCs Correctly Answered Both Birth Control Pill and Condoms Efficacy
Total Population (n = 500) 14.4% 65.0% 19.6% 12.0% 73.0% 16.6% 2.2%
Age (years)
 ≤ 30 (n = 270) 15.9 63.0 20.0 11.9 71.9 16.3 1.9
 > 30 (n = 230) 12.6 67.4 19.1 12.2 70.4 17.0 2.6
Education
 ≤ High School graduate (n = 101) 11.9 55.4 29.7 12.9 67.3 19.8 .99
 Some college (n = 146) 18.5 60.3 20.5 13.7 68.5 17.1 3.4
 ≥ 4-year college graduate (n = 253) 13.0 71.1 15.2 10.7 74.3 15.0 2.0
Parity
 0 (n = 258) 14.0 68.6 16.7 9.5 72.1 14.3 2.3
 > 0 (n = 242) 14.9 61.2 22.7 13.0 70.2 19.0 2.1