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Epi (version 2.56)

bdendo: A case-control study of endometrial cancer

Description

The bdendo data frame has 315 rows and 13 columns, bdendo11 126 rows. These data concern a study in which each case of endometrial cancer was matched with 4 controls. bdendo11 is a 1:1 mathed subset of bdendo. Matching was by date of birth (within one year), marital status, and residence.

Arguments

Format

These data frames have the following columns:

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: a 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: a 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+

Examples

Run this code
data(bdendo)
str(bdendo)

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