Diabetes Mediation Teaching Dataset

A health-related teaching dataset prepared from the Pima Indians Diabetes data. It is designed for the practical question: could part of the obesity and diabetes relationship operate through plasma glucose, after adjustment for basic clinical covariates?

Usage

data_diabetes_mediation

Format

A data frame with variables:

diabetes

Diabetes status (No, Yes)

obesity

Obesity status based on BMI >= 30 (No, Yes)

glucose

Plasma glucose concentration

bmi

Body mass index

age

Age in years

blood_pressure

Diastolic blood pressure

pregnancies

Number of pregnancies

diabetes_pedigree

Diabetes pedigree function

Source

Derived from data_PimaIndiansDiabetes.

Details

This dataset is intended for practice and teaching. Mediation estimates from observational data should be interpreted causally only when the temporal ordering and no-unmeasured-confounding assumptions are justified by study design, DAGs, and subject-matter knowledge.