GHQ: General Health Questionnaire
In HSAUR3: A Handbook of Statistical Analyses Using R (3rd Edition)

GHQ	R Documentation

General Health Questionnaire

Description

Data from an psychiatric screening questionnaire

Usage

data("GHQ")

Format

A data frame with 22 observations on the following 4 variables.

GHQ: the General Health Questionnaire score.
gender: a factor with levels female and male
cases: the number of diseased subjects.
non.cases: the number of healthy subjects.

Details

The data arise from a study of a psychiatric screening questionnaire called the GHQ (General Health Questionnaire, see Goldberg, 1972). Here the main question of interest is to see how caseness is related to gender and GHQ score.

Source

D. Goldberg (1972). The Detection of Psychiatric Illness by Questionnaire, Oxford University Press, Oxford, UK.

Examples


  data("GHQ", package = "HSAUR3")
  male <- subset(GHQ, gender == "male")
  female <- subset(GHQ, gender == "female")
  layout(matrix(1:2, ncol = 2))
  barplot(t(as.matrix(male[,c("cases", "non.cases")])), main = "Male", xlab = "GHC score")
  barplot(t(as.matrix(male[,c("cases", "non.cases")])), main = "Female", xlab = "GHC score")

HSAUR3 documentation built on Sept. 11, 2024, 8:37 p.m.