For a study using logistic regression to determine characteristics associated with remission in cancer patients, Table 5.10
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Table 5.10:
Table 5.11:
a. Show how software obtained ÏÌ = 0.068 when LI = 8.
b. Show that ÏÌ = 0.5 when LI = 26.0.
c. Show that the rate of change in ÏÌ is 0.009 when LI = 8 and 0.036 when LI = 26.
d. The lower quartile and upper quartile for LI are 14 and 28. Show that ÏÌ increases by 0.42, from 0.15 to 0.57, between those values.
e. For a unit change in LI, show that the estimated odds of remission multiply by 1.16. LEMS 199
f. Explain how to obtain the confidence interval reported for the odds ratio. Interpret.
g. Construct a Wald test for the effect. Interpret.
h. Conduct a likelihood-ratio test for the effect, showing how to construct the test statistic using the 2 log L values reported.
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