Table 3.
Variables and Data Cleaning.
| Variable | Description | Imputation | Transformation |
|---|---|---|---|
| New Cases of Lung Cancer | Cancer of the Lung/Bronchus, Rate per 100,000 people | none | none |
| Adult Smoking | Percentage of adults who are current smokers | none | none |
| PM2.5_T1 | Particulate Matter 2.5 in Time 1 | none | none |
| PM10_T1_log | Particulate Matter 10 in Time 1 | none | Logarithm |
| SO2_T1_log | Sulfur Dioxide in Time 1 | none | Logarithm |
| NO2_T1_log | Nitrogen Dioxide in Time 1 | none | Logarithm |
| CO_T1_log | Carbon Monoxide in Time 1 | median | Logarithm |
| EQI_Land | Environmental Quality Index, Land Domain | median | none |
| EQI_SocioD | Environmental Quality Index, Socio-Demographic Domain | none | none |
| EQI_Built | Environmental Quality Index, Built Domain | none | none |
| O3_T1_log | Tropospheric Ozone in Time 1 | none | Logarithm |
| CN_log | Cyanide compounds | none | Logarithm |
| Diesel_log | Diesel Exhaust | none | Logarithm |
| CS2_log | Carbon Disulfide | none | Logarithm |
| EQI_Air | Environmental Quality Index, Air Domain | none | none |
| EQI_Water | Environmental Quality Index, Water Domain | none | none |
| PM2.5_T2 | Particulate Matter 2.5 in Time 2 | none | none |
| PM10_T2 | Particulate Matter 10 in Time 2 | median | none |
| SO2_T2_log | Sulfur Dioxide in Time 2 | none | Logarithm |
| CO_T2 | Carbon Monoxide in Time 2 | none | none |
| O3_T2 | Tropospheric Ozone in Time 2 | median | none |
| NO2_T2 | Nitrogen Dioxide in Time 2 | --------- | --------- |