bdendo {Epi}R Documentation

A case-control study of endometrial cancer

Description

The bdendo data frame has 315 rows and 13 columns. These data concern a study in which each case of endometrial cancer was matched with 4 controls. Matching was by date of birth (within one year), marital status, and residence.

Arguments

set Case-control set: a numeric vector
d Case or control: a numeric vector (1=case, 0=control)
gall Gall bladder disease: a factor with levels No Yes
hyp Hypertension: a factor with levels No Yes
ob Obesity: a factor with levels No Yes
est a factor with levels No Yes
dur Duration of conjugated oestrogen therapy: an ordered factor with levels 0 < 1 < 2 < 3 < 4
non Use of non oestrogen drugs: a factor with levels No Yes
duration Months of oestrogen therapy: a numeric vector
age a numeric vector
cest Conjugated oestrogen dose: an ordered factor with levels 0 < 1 < 2 < 3
agegrp a factor with levels 55-59 60-64 65-69 70-74 75-79 80-84
age3 a factor with levels <64 65-74 75+

Format

This data frame contains the following columns:

Source

Breslow NE, and Day N, Statistical Methods in Cancer Research. Volume I: The Analysis of Case-Control Studies. IARC Scientific Publications, IARC:Lyon, 1980.

Examples

data(bdendo)

[Package Epi version 0.1 Index]