bias case studies – TeachEpi

The B-Files (Bias Case Studies)

Case studies of bias in real life epidemiologic studies
By: Madhukar Pai & Jay S. Kaufman

Bias File 1. The Rise and Fall of Hormone Replacement Therapy

Bias File 2. Should we stop drinking coffee? The story of coffee and pancreatic cancer

Bias File 3. Émile Durkheim and the ecological fallacy

Bias File 4. The early controversy over estrogen and endometrial cancer

Bias File 5. How blind are the blind? The story of Vitamin C for common cold

Bias File 6. Double whammy: recall and selection bias in case-control studies of congenital malformations

Bias File 7. Confounding by indication: a most stubborn bias?

Bias File 8. Don’t call my number, anymore! Bias in surveys of sexual behavior

Bias File 9. Circumcision and HIV