Oncho: Onchocerciasis in Sierra Leone.

OnchoR Documentation

Onchocerciasis in Sierra Leone.

Description

Study of onchocerciasis ("river blindness") in Sierra Leone, in which subjects were classified according to whether they lived in villages in savannah or rainforest area.

Usage

Oncho

Format

A labelled tibble with 1302 rows and 7 variables:

id

Subject ID.

mf

Infected with Onchocerciasis volvulus, factor with levels "Not-infected" and "Infected".

area

Area of residence, factor with levels "Savannah" and "Rainforest".

agegrp

Age group in years, factor with levels "5-9", "10-19", "20-39" and "40+".

sex

Subject sex, factor with levels "Male" and "Female".

mfload

Microfiliariae load.

lesions

Severe eye lesions, factor with levels "No" and "Yes".

Source

McMahon, JE, Sowa, SIC, Maude, GH and Kirkwood BR (1988) Onchocerciasis in Sierra Leone 2: a comparison of forest and savannah villages. Trans Roy Soc Trop Med Hyg 82: 595-600.

Kirkwood, BR and Sterne, JAC (2003) Essential Medical Statistics. Second Edition. Blackwell.

Examples

require(dplyr, quietly = TRUE)
data(Oncho)

Oncho %>%
  select(mf, agegrp) %>%
  cross_tbl(by = "mf")

josie-athens/pubh documentation built on Feb. 3, 2024, 4:32 a.m.