Table 1 Municipal characteristics used in this study
From: Analysis of the regional distribution of road traffic mortality and associated factors in Japan
Characteristics | Description | Source |
|---|---|---|
Demographic characteristics | ||
 Population density | Number of persons per hectare | The Survey on Areas by Municipalities and the Basic Resident Register |
 Daytime population | Number of persons in daytime in a municipality | The Census |
 Proportion of young population | Proportion of young population aged below 15 years | The Basic Resident Register |
 Proportion of non-Japanese persons | Proportion of non-Japanese persons among the total population (%) | The Basic Resident Register |
 Proportion of divorced persons | Proportion of divorced persons among persons aged 15 years old or more (%) | The Census |
Socioeconomic characteristics | ||
 Proportion of persons with lower educational level | Proportion of elementary school or junior high school graduates among population aged 15 years or more (%) | The Census |
 Proportion of clerical workers | Proportion of clerical workers in the labor force (%) | The Census |
 Proportion of agriculture, forestry, and fisheries workers | Proportion of agriculture, forestry, and fisheries workers in the labor force (%) | The Census |
 Proportion of service workers | Proportion of service workers in the labor force (%) | The Census |
 Proportion of blue-collar workers | Proportion of blue-collar workers in the labor force (%) | The Census |
 Proportion of unemployed persons | Proportion of unemployed persons in the labor force (%) | The Census |
 Taxable income per capita | – | The Survey on Taxation Status of Municipal Tax and the Basic Resident Register |
Medical characteristics | ||
 Number of clinics per 100,000 persons | Number of clinics per 100,000 persons | The Survey of Medical Institutions and the Basic Resident Register |
 Number of physicians per 100,000 persons | Number of physicians per 100,000 persons | The Statistics of Physicians, Dentists and Pharmacists and the Basic Resident Register |
 Number of hospitals per 100,000 persons | Number of hospitals per 100,000 persons | The Survey of Medical Institutions and the Basic Resident Register |
Weather characteristics | ||
 Proportion of rainy days | Proportion of rainy days in a year (%) | Japan Meteorological Agency |
 Proportion of snow days | Proportion of snow days in a year (%) | Japan Meteorological Agency |
Characteristics related to vehicles | ||
 Proportion of holders of a driver’s license | Proportion of holders of a driver’s license among persons aged > 15 years (%) | The Statistics of Driver’s License and the Census |
 Number of owned vehicles per household | Number of owned vehicles per household among two-person households | The National Survey of Family Income and Expenditure |
 Number of owned motorcycles per 1000 persons | Number of owned motorcycles per household among 1000 persons | The Automobile Inspection & Registration Information Association and the Basic Resident Register |