Literature:
The course is based on handouts. The following books give useful background (but are not required):
Stata introduction: S. Rabe-Hesketh and B. S. Everitt: A handbook of statistical analyses using Stata. 4th edition. Chapman and Hall, 2007
Statistical background: B. R. Kirkwood and J. A. C. Sterne: Essential medical statistics, 2nd ed. Blackwell, 2003.