DOCUMENTATION FOR FILE LEISURE.DAT

This file contains 315 records with data on cases
and controls from the Leisure World study of endometrial
cancer as related to treatment with estrogens for menopausal
symptoms and other risk factors.  See the article
by Mack et al in NEJM 294:1262-1267, 1976 for a full
description.

The variables are as follows:

#  Name  Description             Codes/Range
----------------------------------------------------------

1  SET   Matched set indicator   1-63

2  CASE  Case-control indicator  1 = Case; 0 = control

3  AGE   Age in years            55-84

4  AGEG  Age group indicator     1 = 55-64;
                                 2 = 65-74;
                                 3 = 75+

5  EST   Estrogen usage          0 = No; 1 = Yes

6  GALL  Gallbladder disease     0 = No; 1 = Yes

7  HYP   Hypertension            0 = No; 1 = Yes
 
8  OB    Obesity                 0 = No; 1 = Yes; 2 = Unknown

9  NON   Non-estrogen drug       0 = No; 1 = Yes

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The nine variables may be read in free format.
AGEG is based on the age of the case in each matched set.