Brenner: Prevalence of Helicobacter pylori infection in preschool...
In josie-athens/pubh: A Toolbox for Public Health and Epidemiology

Brenner

R Documentation

Prevalence of Helicobacter pylori infection in preschool children.

Description

A data set containing the prevalence of Helicobacter pylori infection in preschool children according to parental history of duodenal or gastric ulcer.

Usage

Brenner

Format

A labelled tibble with 863 rows and 2 variables:

ulcer: History of duodenal or gastric ulcer, factor with levels "No" and "Yes".
infected: Infected with Helicobacter pylori, factor with levels "No" and "Yes".

Source

Brenner H, Rothenbacher D, Bode G, Adler G (1998) Parental history of gastric or duodenal ulcer and prevalence of Helicobacter pylori infection in preschool children: population based study. BMJ 316:665.

Examples

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

Brenner %>%
  select(infected, ulcer) %>%
  cross_tbl(by = "infected")

contingency(infected ~ ulcer, data = Brenner, method = "cross.sectional")

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