3.3. Foundation + Ambient Emissions
This protocol is extracted from research article:
Predicting Lung Cancer in the United States: A Multiple Model Examination of Public Health Factors
Int J Environ Res Public Health, Jun 6, 2021; DOI: 10.3390/ijerph18116127

Next, we show the model combining the foundation with the ambient emissions layer, grouped by variable layer (left side) and sorted by t-statistic (right side) in Figure 9.

Foundation + Ambient Emissions; Residual standard error: 10.62 on 2228 degrees of freedom; Multiple R-squared: 0.613, Adjusted R-squared: 0.6026; F-statistic: 58.82 on 60 and 2228 DF, p-value: < 2.2 × 10−16; Significance codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1.

In examining the significance of ambient emissions in this model, we see that eight of the fifteen variables are statistically significant. Six of them are from T1, the earlier timeframe: Carbon Monoxide, Diesel Exhaust, Nitrogen Dioxide, Coarse Particulate Matter, Fine Particulate Matter, and Sulfur Dioxide; two are from T2, the later timeframe: Coarse Particulate Matter and Sulfur Dioxide.

Adult smoking regains first place as Kentucky slips to second place. The next two most hazardous states, approximately the same impact as Fine Particulate Matter in T1 are Illinois and Arkansas. Then comes Coarse Particulate Matter in T2 and Sulfur Dioxide in T1 with the following states close behind: Indiana, Missouri, and New York. Then comes CO_T1 and the last three states: West Virginia, Ohio, and Georgia. Note that almost all the hazardous states are in the Midwest or Southern region of the United States. The exception is New York. On the other extreme, Utah still has the lowest rate of lung cancer (29.138 cases fewer per 100,000). The next six least hazardous states are all in the West: New Mexico, Wyoming, Colorado, Nebraska, California, and Washington.

Note: The content above has been extracted from a research article, so it may not display correctly.

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