Description Usage Format References Examples
The data set contains information about persons with retinopathy. In the 6-year followup study on diabetes and retinopathy status the interesting question is how the retinopathy status is associated wie several risk factors.
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A data frame containing 613 observations on 5 variables:
RET
retinopathy status (1:no retinopathy, 2:nonproliferative retinopathy, 3:advanced retinopathy or
blind)
SM
smoker (1:yes, 0:no)
DIAB
diabetes duration in years
GH
glycosylated hemoglobin measured in percent
BP
diastolic blood pressure in mmHg
Bender and Grouven (1998): Using binary logistic regression models for ordinal data with nonproportional odds, J. Clin. Epidemiol., 51, 809-816.
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