pima {mfp2}

Pima Indians dataset used in the Royston and Sauerbrei (2008) book.

Description

The dataset arises from an investigation of potential predictors of the onset of diabetes in a cohort of 768 female Pima Indians of whom 268 developed diabetes. Missing values were imputed using the ice procedure for Stata.

Usage

data(pima)

Format

A dataset with 768 observations and 9 variables.

id

Patient identifier.

pregnant

Number of times pregnant.

glucose

Plasma glucose concentration at 2h in an oral glucose tolerance test.

diastolic

Diastolic blood pressure in mmHg.

triceps

Triceps skin fold thickness in mm.

insulin

2-h serum insulin.

bmi

Body mass index.

diabetes

Diabetes pedigree function.

age

Age in years.

y

Binary outcome variable (diabetes, yes/no).