Regression results for effect of ozone by type of respiratory illness
| 1 Any Respiratory Illness | 2 Pneumonia | 3 Bronchitis/Asthma | 4 Other Respiratory Illnesses | |
|---|---|---|---|---|
| A. OLS | ||||
| Eight-hour ozone | 0.113** | 0.032* | 0.038** | 0.043** |
| [0.023] | [0.014] | [0.014] | [0.011] | |
| Percent effect | 1.16 | 0.86 | 1.15 | 1.59 |
| B. IV | ||||
| Eight-hour ozone | 0.454** | 0.277** | 0.145 | 0.032 |
| [0.162] | [0.101] | [0.103] | [0.080] | |
| Percent effect | 4.66 | 7.41 | 4.39 | 1.19 |
See notes to Table 3. Dependent variable is the number of hospital admissions per day, zip code, and age category, by type of respiratory illness.