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Table 4 Internal and external predictive validity of CBC utilities by race over-time

From: Measuring preferences for analgesic treatment for cancer pain: How do African-Americans and Whites perform on choice-based conjoint (CBC) analysis experiments?

 

Internal predictive validity

External predictive validity

 

†RLH (baseline)

95% CI

†RLH (3-months)

95% CI

‡MAE (baseline)

‡MAE (3 months)

African-Americans

0.789

0.767−0.812

0.826

0.804−0.848

3.04%

8.04%

Whites

0.849

0.835−0.863

0.846

0.828−0.865

4.20%

10.24%

  1. †RLH = Root Liklihood; ‡MAE = Mean Absolute Error.