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. Author manuscript; available in PMC: 2011 Sep 27.
Published in final edited form as: Acad Emerg Med. 2007 May 4;14(6):549–557. doi: 10.1197/j.aem.2007.02.029

Table 2.

Percentage of Correct Responses by Topic and Question Format (n = 570)

MC and AD Correct (%) MC Correct (%) AD Correct (%) McNemar’s test
p-value
Pap smears
 Who 74.6 75.4 97.5 ≤0.000
 Why 75.3 76.5 94.2 ≤0.000
 How often 74.0 76.0 93.9 ≤0.000
 All correct 54.4 55.8 90.0 ≤0.000
Breast self-examinations
 Who 92.6 93.9 98.1 ≤0.000
 Why 91.4 96.8 94.0 ≤0.026
 How often 84.4 85.4 94.9 ≤0.000
 All correct 76.7 81.4 89.8 ≤0.000
Mammograms
 Who 51.4 51.6 94.9 ≤0.000
 Why 89.0 90.0 94.9 ≤0.000
 How often 63.3 65.1 90.0 ≤0.000
 All correct 37.9 38.3 87.9 ≤0.000
Birth control pills
 Who 81.8 89.5 86.0 ≤0.021
 Why 93.0 97.5 94.7 ≤0.011
 How often 91.6 93.7 95.8 ≤0.065
 All correct 74.7 85.3 80.2 ≤0.003
Emergency contraception
 Why 15.6 27.4 19.7 ≤0.000

MC = multiple-choice format; AD = agree-disagree format.