Research Article

Impact of the Built Environment on Residents’ Health: Evidence from the China Labor Dynamics Survey in 2016

Table 1

Descriptive statistics of the key variables.

TypesNameDefinitionMeanSDMinMax

Explained variableSelf-rated healthVery unhealthy = 1; relatively unhealthy = 2; ordinary = 3; healthy = 4; very healthy = 53.7630.88915

Explanatory variablesPopulation densityPopulation density in urban districts (10,000 people/km2)0.1250.07800.0060.341
Population sizeTotal population in urban districts at the end of the year (10,000 people)379.1140.036028.271373.32
Road area ratioRoad area ratio in urban districts (m2)15.036.0094.37034.21
Bus accessibilityBuses ownership per 10,000 people in urban districts (set)14.7514.821.04089.34
Green area ratioGreen area in urban district/total population at the end of the year (m2)49.2636.693.336191.3
Land use mixtureResidential land, public facilities, external traffic, municipal public facilities, road square, green space, industrial facilities, storage, and other eight types of land use0.7730.04000.6780.876
Rail trafficYes = 1; no = 00.4850.50001
Community population density
0-0.1(0-0.1] = 1; other = 00.1410.34801
0.1–0.5(0.1–0.5] = 1; other = 00.1990.39901
0.5–1(0.5–1] = 1; other = 00.1690.37501
1–1.5(1–1.5] = 1; other = 00.0810.27401
1.5–2(1.5–2] = 1; other = 00.0860.28001
2–2.5(2–2.5] = 1; other = 00.0680.25101
>2.5(>2.5) = 1; other = 00.2570.43701
DiversityTotal score of eight types of community public infrastructure and service facilities4.8031.52718
Green coverage ratioCommunity green coverage rate (%)0.4120.24800.950
Community pollutionWeighted average value of air pollution, water pollution, soil pollution, and noise pollution4.6130.85915

Control variablesGenderMale = 0; female = 10.5510.49701
AgeNumerical continuous variable42.9313.271664
Marital statusMarried = 1; other = 00.7820.41301
Social insurance participationYes = 1; no = 00.8900.31301
Highest degreeIlliterate = 0; primary school/private school = 1; junior high school = 2; technical secondary school/vocational high school/general high school = 3; junior college = 4; bachelor’s degree = 5; master’s degree and above = 62.9401.37606
Household income per capitaTotal household income/family members (Yuan)33806424451028800000
History of smokingYes = 0; no = 10.7540.43101
History of alcohol intakeYes = 0; no = 10.8040.39701
Car ownershipYes = 0; no = 10.6650.47201
Motorcycle ownershipYes = 0; no = 10.6160.48601

Mediating variablesPhysical exerciseNo exercise = 1; 3 times a week and more than 30 minutes = 3; other = 21.5330.54013
Neighborhood supportVery little = 1; less = 2; ordinary = 3; quite many = 4; a great many = 52.9401.01315
Community safetyVery unsafe = 1, not very safe = 2, relatively safe = 3, very safe = 43.0070.63014