Table 2.
Crude and adjusted odds ratios for preterm birth (<37 weeks gestation), low birth weight (<2500 grams) and term low birth weight (<2500 grams and ≥37 weeks gestation) and proximity to coke or steel production facilities in Alabama
| Preterm birth | Low birth weight | Term low birth weight | ||||
|---|---|---|---|---|---|---|
| Crude OR (95% CI) | Adjusted OR (95% CI) | Crude OR (95% CI) | Adjusted OR (95% CI) | Crude OR (95% CI) | Adjusted OR (95% CI) | |
| Distance to nearest TRI facility (km) | ||||||
| ≤ 5.0 | 1.19 (1.15-1.24) | 1.05 (1.01-1.09) | 1.29 (1.24-1.35) | 1.03 (0.99-1.07) | 1.33 (1.24-1.43) | 1.04 (0.97-1.12) |
| > 2.5 - 5.0 | 1.16 (1.11-1.22) | 1.05 (1.00-1.10) | 1.26 (1.19-1.32) | 1.04 (0.99-1.09) | 1.33 (1.22-1.45) | 1.09 (1.00-1.19) |
| ≤ 2.5 | 1.24 (1.17-1.31) | 1.05 (0.99-1.11) | 1.35 (1.27-1.44) | 1.02 (0.95-1.08) | 1.33 (1.19-1.48) | 0.97 (0.87-1.08) |
| African American mother | ||||||
| 1.54 (1.51-1.57) | 1.43 (1.40-1.47) | 2.04 (2.00-2.09) | 1.82 (1.77-1.86) | 2.12 (2.04-2.20) | 1.79 (1.72-1.87) | |
| Hispanic mother | ||||||
| 0.73 (0.69-0.77) | 0.62 (0.59-0.66) | 0.63 (0.59-0.67) | 0.56 (0.52-0.59) | 0.72 (0.64-0.80) | 0.62 (0.55-0.69) | |
| Payment method (compared to private insurance) | ||||||
| Medicaid | 1.28 (1.26-1.31) | 1.62 (1.53-1.71) | 1.66 (1.63-1.70) | 1.24 (1.21-1.27) | 2.10 (2.01-2.18) | 1.48 (1.41-1.55) |
| Other | 0.92 (0.82-1.02) | 1.11 (1.06-1.16) | 1.02 (0.90-1.16) | 0.98 (0.86-1.11) | 1.31 (1.06-1.62) | 1.21 (0.98-1.50) |
| Self Pay | 1.64 (1.55-1.72) | 1.25 (1.21-1.30) | 1.87 (1.77-1.98) | 1.81 (1.70-1.92) | 1.92 (1.72-2.13) | 1.77 (1.58-1.99) |
| Age (years) | ||||||
| < 18 | 1.22 (1.17-1.27) | 1.07 (1.05-1.10) | 1.44 (1.38-1.50) | 1.00 (0.96-1.05) | 1.52 (1.41-1.63) | 0.82 (0.76-0.89) |
| > 35 | 1.25 (1.21-1.30) | 0.92 (0.82-1.03) | 1.22 (1.18-1.27) | 1.41 (1.35-1.47) | 1.07 (0.99-1.15) | 1.45 (1.34-1.57) |
| Education (years) | ||||||
| < 12 | 1.10 (1.07-1.13) | 1.09 (1.06-1.12) | 1.19 (1.16-1.22) | 1.18 (1.14-1.22) | 1.31 (1.25-1.37) | 1.31 (1.25-1.38) |
| ≥ 12 | 0.86 (0.85-0.88) | 0.93 (0.90-0.95) | 0.75 (0.73-0.77) | 0.86 (0.84-0.89) | 0.64 (0.61-0.67) | 0.78 (0.75-0.82) |
| Parity | 1.14 (1.13-1.15) | 1.11 (1.10-1.12) | 1.07 (1.06-1.08) | 1.02 (1.01-1.03) | 0.98 (0.96-1.00) | 0.92 (0.90-0.94) |
| Year | 1.02 (1.01-1.02) | 1.02 (1.02-1.02) | 1.01 (1.01-1.01) | 1.02 (1.02-1.02) | 1.01 (1.00-1.01) | 1.01 (1.01-1.02) |