lep {Epi}

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)