bdendo {Epi} | R Documentation |
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.
This data frame contains 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: 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+ |
Breslow NE, and Day N, Statistical Methods in Cancer Research. Volume I: The Analysis of Case-Control Studies. IARC Scientific Publications, IARC:Lyon, 1980.
data(bdendo)