Skip to main content

Table 1 Sample of studies using population size or density thresholds

From: A geographic analysis of population density thresholds in the influenza pandemic of 1918–19

Study Area studied Time period studied Unit of analysis Thresholds used Reasons for selecting threshold
McSweeney et al. [65] New Zealand October 17 - December 27, 1918 Entire country was divided into cities, large towns, small towns, and counties Cities (> 20,000) Not specified
Garrett [55] United States 1918 - 1919 Individual states and 49 cities Cities (> 100,000) Data availability
Kolte et al. [66] Denmark 1917 - 1921 22 counties, each divided into countryside and towns Capitals, provincial towns, rural areas Based on weekly reports sent to county health officials
Nishiura and Chowell [60] Japan   Kanagawa, 199 regions Cities (> 20,000); Large towns (5,000 - 20,000); Small towns (2,000 - 5,000); Villages (< 2,000) McSweeney et al. [65] and 5,000 minimum population size for town status in Japan
Chowell [13] England and Wales June 29, 1918 - May 10, 1919 305 administrative units, 62 counties Cities, towns, and rural areas Urbanization not defined