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Table 3 Summary values of municipal characteristics

From: Analysis of the regional distribution of road traffic mortality and associated factors in Japan

Characteristics Median (interquartile range)
(N = 1687)
Demographic characteristics
 Population density 2.1 (0.6–8.2)
 Daytime population 24,071.0 (8478.5–62,004.0)
 Proportion of young population 12.0 (10.5–13.4)
 Proportion of non-Japanese persons 0.7 (0.4–1.3)
 Proportion of divorced persons 5.0 (4.3–5.8)
Socioeconomic characteristics
 Proportion of persons with lower educational level 22.7 (16.3–30.4)
 Proportion of clerical workers 15.4 (13.3–17.6)
 Proportion of agriculture, forestry, and fisheries workers 6.7 (2.3–14.4)
 Proportion of service workers 1.1 (0.9–1.3)
 Proportion of blue-collar workers 7.3 (6.5–8.4)
 Proportion of unemployed persons 3.9 (3.3–4.7)
 Taxable income per capita (1000 yen) 1103.3 (931.3–1293.0)
Medical characteristics
 Number of clinics per 100,000 persons 68.4 (54.1–84.2)
 Number of physicians per 100,000 persons 128.8 (74.4–194.1)
 Number of hospitals per 100,000 persons 6.0 (2.1–10.1)
Weather characteristics
 Proportion of rainy days 33.4 (31.0–38.6)
 Proportion of snow days 5.2 (3.0–20.0)
Characteristics related to vehicles
 Proportion of holders of a driver’s license 75.7 (71.6–78.0)
 Number of owned vehicles per household 1.6 (1.3–1.9)
 Number of owned motorcycles per 1000 persons 26.0 (22.5–28.5)
Mortality rate
 Male RT mortality rate per 100,000 persons 6.7 (3.7–11.0)
 Female RT mortality rate per 100,000 persons 2.8 (1.0–5.2)
  1. RT road traffic