Coefficients | Urban | Suburban | Rural |
---|---|---|---|
Constant coefficient, α0 | -0.05 | 0.01 | 0.02 |
Air quality aspect | |||
PM2.5, β1 | 2.56 | 0.17 | -0.16 |
ODO, β2 | -* | 0.08 | -0.27 |
NMHC, β3 | -0.55 | 0.07 | -0.14 |
Point source aspect | |||
PM2.5, γ1 | 1.98 | -5.12 | 1.04 |
NOx, γ2 | - | 5.01 | -0.92 |
NMHC, γ3 | -1.47 | -0.21 | -0.67 |
Line source aspect | |||
PM2.5, δ1 | - | -9.90 | -4.46 |
NOx, δ2 | - | 4.82 | 3.36 |
NMHC, δ3 | - | 7.44 | 1.07 |
Area source aspect | |||
PM2.5, 𝜉1 | -2.49 | 0.30 | 0.52 |
NOx, 𝜉2 | 1.64 | -2.89 | -0.72 |
NMHC, 𝜉3 | -0.43 | 0.19 | -0.10 |
Social economics aspect | |||
Population density, 𝜆1 | -1.14 | -0.39 | -0.02 |
Salary, 𝜆2 | -0.39 | 0.09 | 0.22 |
Medical manpower, 𝜆3 | 0.03 | 0.18 | 0.10 |
R-squared | 1 | 0.901 | 0.753 |
p-values | -** | 0.003 | 0.063 |