Skip to contents

Schizophrenia Births in Australia, 1930–1971

Source: R/data-season.R
schz.Rd

Monthly number of babies born with schizophrenia in Australia from 1930 to 1971. The national number of births and number of cases are missing for January 1960 are missing.

Usage

schz

Format

A data frame with 504 observations on the following 6 variables:

  • year: year of birth

  • month: month of birth

  • yrmon: a combination of year and month: \(year+(month-1)/12\)

  • NBirths: monthly number of births in Australia, used as an offset

  • SczBroad: monthly number of schizophrenia births using the broad diagnostic criteria

  • SOI: southern oscillation index

Source

From Prof John McGrath and colleagues, The University of Queensland, Brisbane.

Examples


plot(
  schz$yrmon,
  schz$SczBroad,
  type = 'o',
  xlab = 'Date',
  ylab = 'Number of schizophrenia births'
)