Skip to main content

Table 1 Geographical and demographical characteristics of the study area

From: Polarized nature of the COVID-19 pandemic in Japan: associations with population age structure and behaviours

  Low-COVID-19-incidence area, n = 10, Median (IQR, Min–Max) High-COVID-19-incidence area, n = 10, Median (IQR, Min–Max)
Population density (population/km2) [10] 174.9 (227.9, 80.3–509.4) 1338.7 (3385.6), (66.9–6354.8)
Cumulative COVID-19 cases per 100,000 population as of 2 May 2020 [6] 1.2 (2.4, 0–5.0) 12.6 (4.3, 6.6–33.7)
Proportion (%) of population aged 65 years [10] 30.0 (2.1, 27.7–33.8) 25.9 (3.4, 22.7–29.1)
  1. IQR interquartile range, Min minimum, Max maximum