Table 3.
The association between high hog CAFO exposure (>75th percentile of distance weighted hog CAFO measure) and AGI ED rate (2016–2019) compared to areas with no hog CAFO exposure, restricted to rural areas and with various effect measure modifiers (using individual level information from ED visit data).
| Effect Measure Modifier | Rate Ratio (95% CI) | Number of AGI ED Visits in High Hog CAFO Exposed ZIP Codes | Number of AGI ED Visits in ZIP Codes with No Hog CAFO Exposure |
|---|---|---|---|
| Race/ethnicity | |||
| American Indian | 4.29 (3.69, 4.88) | 146 | 187 |
| Asian | 6.15 (5.55, 6.76) | 14 | 16 |
| Black | 1.45 (0.98, 1.91) | 5,211 | 527 |
| Hispanic | 1.00 (0.53, 1.47) | 824 | 588 |
| White non-Hispanic | 1.20 (0.82, 1.57) | 6,979 | 14,519 |
| Other | 1.30 (0.64, 1.96) | 757 | 357 |
| Age Category | |||
| Under 5 | 1.28 (0.94, 1.74) | 1988 | 1884 |
| 5–17 | 1.23 (0.88, 1.73) | 1560 | 1633 |
| 18–64 | 1.38 (1.19, 1.61) | 7658 | 8741 |
| Over 64 | 1.18(0.91, 1.52) | 2293 | 3869 |
| Insurance | |||
| Private | 1.26 (1.00, 1.53) | 2725 | 3684 |
| Public | 1.35 (1.02, 1.67) | 7686 | 8717 |
| Self-pay/none | 1.72 (1.40, 2.04) | 2537 | 2169 |