Table 1

Sensitivity for self-reports of colorectal cancer screening procedures

FOBTFlexible sigmoidoscopyColonoscopyColonoscopy or sigmoidoscopy
nSensitivity (%)nSensitivity (%)nSensitivity (%)nSensitivity (%)
Overall18696.2 (93.6–99.0)a7994.9 (90.0–99.8)9788.7 (81.5–94.3)15996.2 (93.4–99.2)
Family history
+FDR29100.010 90.018 94.4 25100.0
−FDR157 95.569 95.779 87.3134 95.5
(0.271)b(0.418)(0.373)(0.263)
Gender
Female 98 99.040 92.557 91.2 84 96.4
Male 88 93.239 97.440 85.0 75 96.0
(0.054)(0.322)(0.298)(0.889)
Ethnicity
White159 97.573 95.984 90.5140 96.4
Non-white 27 88.9 6 83.313 76.9 19 94.7
(0.032)(0.162)(0.131)(0.734)
Age
40–49 15 93.3 8100.011100.0 18100.0
50–65 81 98.838 97.441 85.4 73100.0
>6590 94.433 90.945 88.9 68 91.2
(0.242)(0.568)(0.542)(0.011)
  • a 95% confidence intervals of the sensitivity.

  • b Ps.