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Table 3 Multivariable analysis predicting probability of false positive self-report of any screening among responders with no history of screening

From: Survey mode and asking about future intentions did not impact self-reported colorectal cancer screening accuracy

  Unadjusted Adjusted
  OR 95% CI OR 95% CI
Model 1     
Phone vs mail 1.23 0.89, 1.71 1.11 0.79, 1.56
Model 2     
Future intention item present vs not present 1.17 0.86, 1.60 1.18 0.86, 1.62
Model 3     
Phone vs mail 1.24 0.89, 1.72 1.12 0.79, 1.57
Future intention item present vs not present 1.18 0.86, 1.60 1.18 0.86, 1.62
  1. Adjusted for age, race (Caucasian vs other), and gender.
  2. In an adjusted model that included an interaction between future intention and mode, the odds ratio for future intention was 1.04 for mail and 1.26 for phone, suggesting that the effect may have been stronger in the phone mode, however this was not statistically significant (p-value for interaction = 0.58).