Osteoporotic fractures are known to be highly recurring. We investigate bonedependent and bone-independent risk factors of osteoporotic fracture frequency and relative proportions at various body ...

This type of model applies to cases where an observation can fall into one of k categories. Binary data occurs in the special case where k=2. If there are m i observations in a subpopulation i, then ...

There is no established procedure for testing for trend with nominal outcomes that would provide both a global hypothesis test and outcome-specific inference. We derive a simple formula for such a ...