- State the logit form of Model 1 in terms of the mean
response of theith subject. - Use Model 1 to estimate the odds ratios for RX (active
vs. standard treatment). - Use Model 2 to estimate the odds ratio and 95% confi-
dence intervals for RX. - How does the interpretation of the odds ratio for RX
using Model 2 compare to the interpretation of the odds
ratio for RX using a GEE model with the same covari-
ates (see Model 2 in the Test questions of Chap. 15)? - Explain why the parameter for SEQUENCE cannot be
estimated in a conditional logistic regression using
subject as the matching factor.
596 16. Other Approaches for Analysis of Correlated Data