Variable | Categories | Preterm Birth Model C RR (95% CI)a | p value | Low Birth Weight Model D RR (95% CI) | p value |
---|---|---|---|---|---|
Black Jail Incarceration Prevalence (per IQRb increase) | 1.04 (1.01–1.07) | .0074 | 1.03 (1.00–1.05) | .0440 | |
Maternal age | < 20 | 1.06 (.92–1.21) | .4281 | 1.08 (.95–1.22) | .2457 |
20–24 | Reference | ||||
25–29 | 1.03 (.96–1.10) | .432 | .93 (.83–1.04) | .2087 | |
30+ | 1.22 (1.12–1.33) | <.0001 | 1.11 (1.00–1.23) | .0421 | |
Insurance | Medicaid | .99 (.91–1.08) | .8537 | 1.08 (.98–1.19) | .1249 |
Private | Reference | ||||
Other | 1.43 (1.15–1.79) | .0012 | 1.38 (1.22–1.57) | <.0001 | |
Prenatal care utilization indexc | Inadequate | 1.99 (1.78–2.24) | <.0001 | 1.69 (1.53–1.87) | <.0001 |
Intermediate | 1.56 (1.32–1.84) | <.0001 | 1.44 (1.28–1.63) | <.0001 | |
Adequate | Reference | ||||
Adequate + | 2.66 (2.42–2.92) | <.0001 | 2.15 (1.96–2.36) | <.0001 | |
Parity | Nulliparous | Reference | |||
Multiparous | 1.21 (1.15–1.27) | <.0001 | 1.01 (.93–1.09) | .8754 | |
Urbanicity | Mostly Urban | Reference | |||
Mostly Rural | 1.18 (.99–1.39) | .0563 | 1.20 (1.06–1.36) | .0042 | |
Completely Rural | 1.35 (.92–1.99) | .1284 | 1.29 (.97–1.72) | .0828 | |
White – black median household income difference per 10,000 | 1.01 (.91–1.11) | .8853 | 1.05 (.97–1.13) | .2148 | |
Gini | .34 (.05–2.19) | .2652 | .31 (.11–.88) | .0277 | |
Black educational Attainmentd | 1.52 (.64–3.59) | .3385 | 1.77 (.79–3.97) | .1667 | |
Crime Rate (per IQR increase) | 1.00 (1.00–1.01) | .0311 | 1.04 (.96–1.12) | .3711 |