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Types | Name | Definition | Mean | SD | Min | Max |
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Explained variable | Self-rated health | Very unhealthy = 1; relatively unhealthy = 2; ordinary = 3; healthy = 4; very healthy = 5 | 3.763 | 0.889 | 1 | 5 |
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Explanatory variables | Population density | Population density in urban districts (10,000 people/km2) | 0.125 | 0.0780 | 0.006 | 0.341 |
Population size | Total population in urban districts at the end of the year (10,000 people) | 379.114 | 0.0360 | 28.27 | 1373.32 |
Road area ratio | Road area ratio in urban districts (m2) | 15.03 | 6.009 | 4.370 | 34.21 |
Bus accessibility | Buses ownership per 10,000 people in urban districts (set) | 14.75 | 14.82 | 1.040 | 89.34 |
Green area ratio | Green area in urban district/total population at the end of the year (m2) | 49.26 | 36.69 | 3.336 | 191.3 |
Land use mixture | Residential land, public facilities, external traffic, municipal public facilities, road square, green space, industrial facilities, storage, and other eight types of land use | 0.773 | 0.0400 | 0.678 | 0.876 |
Rail traffic | Yes = 1; no = 0 | 0.485 | 0.500 | 0 | 1 |
Community population density | | | | | |
0-0.1 | (0-0.1] = 1; other = 0 | 0.141 | 0.348 | 0 | 1 |
0.1–0.5 | (0.1–0.5] = 1; other = 0 | 0.199 | 0.399 | 0 | 1 |
0.5–1 | (0.5–1] = 1; other = 0 | 0.169 | 0.375 | 0 | 1 |
1–1.5 | (1–1.5] = 1; other = 0 | 0.081 | 0.274 | 0 | 1 |
1.5–2 | (1.5–2] = 1; other = 0 | 0.086 | 0.280 | 0 | 1 |
2–2.5 | (2–2.5] = 1; other = 0 | 0.068 | 0.251 | 0 | 1 |
>2.5 | (>2.5) = 1; other = 0 | 0.257 | 0.437 | 0 | 1 |
Diversity | Total score of eight types of community public infrastructure and service facilities | 4.803 | 1.527 | 1 | 8 |
Green coverage ratio | Community green coverage rate (%) | 0.412 | 0.248 | 0 | 0.950 |
Community pollution | Weighted average value of air pollution, water pollution, soil pollution, and noise pollution | 4.613 | 0.859 | 1 | 5 |
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Control variables | Gender | Male = 0; female = 1 | 0.551 | 0.497 | 0 | 1 |
Age | Numerical continuous variable | 42.93 | 13.27 | 16 | 64 |
Marital status | Married = 1; other = 0 | 0.782 | 0.413 | 0 | 1 |
Social insurance participation | Yes = 1; no = 0 | 0.890 | 0.313 | 0 | 1 |
Highest degree | Illiterate = 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 = 6 | 2.940 | 1.376 | 0 | 6 |
Household income per capita | Total household income/family members (Yuan) | 33806 | 424451 | 0 | 28800000 |
History of smoking | Yes = 0; no = 1 | 0.754 | 0.431 | 0 | 1 |
History of alcohol intake | Yes = 0; no = 1 | 0.804 | 0.397 | 0 | 1 |
Car ownership | Yes = 0; no = 1 | 0.665 | 0.472 | 0 | 1 |
Motorcycle ownership | Yes = 0; no = 1 | 0.616 | 0.486 | 0 | 1 |
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Mediating variables | Physical exercise | No exercise = 1; 3 times a week and more than 30 minutes = 3; other = 2 | 1.533 | 0.540 | 1 | 3 |
Neighborhood support | Very little = 1; less = 2; ordinary = 3; quite many = 4; a great many = 5 | 2.940 | 1.013 | 1 | 5 |
Community safety | Very unsafe = 1, not very safe = 2, relatively safe = 3, very safe = 4 | 3.007 | 0.630 | 1 | 4 |
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