R: An unmatched case-control study of leprosy incidence

lep {Epi} | R Documentation

## An unmatched case-control study of leprosy incidence

### Description

The `lep` data frame has 1370 rows and 7 columns. This was an unmatched case-control study in which incident cases of leprosy in a region of N. Malawi were compared with population controls.

### Format

This data frame contains the following columns:

`id`: | subject identifier: a numeric vector
`d`: | case/control status: a numeric vector (1=case, 0=control)
`age`: | a factor with levels `5-9` `10-14` `15-19` `20-24` `25-29` `30-44` `45+`
`sex`: | a factor with levels `male`, `female`
`bcg`: | presence of vaccine scar, a factor with levels `no` `yes`
`school`: | schooling, a factor with levels `none` `1-5yrs` `6-8yrs` `sec/tert`
`house`: | housing, a factor with levels `brick` `sunbrick` `wattle` `temp`

### Source

The study is described in more detail in Clayton and Hills, Statistical Models in Epidemiology, Oxford University Press, Oxford:1993.

### Examples

    data(lep)

[Package Epi version 2.40 Index]