Table 6.
Estimation of the effects of the interaction between air quality and serious illness on ADL disability
| Variable | (1) | (2) | (3) | (4) |
|---|---|---|---|---|
| lnSO2 | −0.0882**(0.0367) | |||
| lnNO2 | −0.0538(0.0555) | |||
| lnPM10 | −0.1246**(0.0530) | |||
| lnAQI | −0.1548**(0.0724) | |||
| Serious illness | −0.2328*(0.1317) | −0.4058**(0.2038) | − 0.1697(0.2315) | 0.0126(0.0442) |
|
X × lnSO2/ X × lnNO2/ X × lnPM10/ X × lnAQI |
0.1043**(0.0478) | 0.1266**(0.0557) | 0.0496(0.0517) | 0.0225(0.0185) |
| Individual / Year | Yes | Yes | Yes | Yes |
| /sigma2_u | 1.7819***(0.1183) | 1.7848***(0.1186) | 1.7891***(0.1186) | 1.7806***(0.1183) |
| Pseudo log likelihood | −27,313.284 | −27,314.254 | − 27,315.495 | −27,315.248 |
| Observations | 26,218 | 26,218 | 26,218 | 26,218 |
Abbreviations: AQI Air Quality Index, SO2 Sulfur Dioxide, NO2 Nitrogen Dioxide, PM10 Inhalable Particles
Note: Standard errors are in brackets; *** p < 0.01, ** p < 0.05, * p < 0.1. The control variable results are not listed here
X is the rate of serious illness