Coefficients | Urban | Suburban | Rural |
---|---|---|---|
Constant coefficient, α0 | -0.13 | 0.03 | 0.02 |
Air quality aspect | |||
PM2.5, β1 | 3.20 | -0.58 | -0.24 |
ODO, β2 | -* | -0.06 | -0.00 |
NMHC, β3 | 3.68 | 0.04 | 0.12 |
Point source aspect | |||
PM2.5, γ1 | -1.72 | -14.07 | -0.35 |
NOx, γ2 | - | 13.94 | -0.13 |
NMHC, γ3 | 0.22 | 0.09 | 0.19 |
Line source aspect | |||
PM2.5, δ1 | - | 7.74 | -5.59 |
NOx, δ2 | - | -5.47 | 2.97 |
NMHC, δ3 | - | -2.32 | 2.42 |
Area source aspect | |||
PM2.5, 𝜉1 | -0.48 | -0.56 | 0.10 |
NOx, 𝜉2 | 0.83 | 0.54 | -0.02 |
NMHC, 𝜉3 | 3.60 | -0.03 | -0.11 |
Social economics aspect | |||
Population density, 𝜆1 | -1.24 | -0.27 | -0.01 |
Salary, 𝜆2 | -0.59 | -0.36 | 0.29 |
Medical manpower, 𝜆3 | 0.18 | 0.68 | -0.65 |
R-squared | 1 | 0.687 | 0.830 |
p-values | -** | 0.276 | 0.011 |