Table 5.
Sensitivity analysis of preterm birth and low birth weight risk associated with white jail incarceration
| Variable | Categories | Preterm Birth Model E RR (95% CI)a |
p value | Low Birth Weight Model F RR (95% CI) |
p value |
|---|---|---|---|---|---|
| White Jail Incarceration Prevalence (per IQR increase) | 1.00 (.99–1.01) | .8758 | .99 (.99–.1.00) | .8564 | |
| Maternal age | < 20 | 1.06 (.93–1.21) | .4084 | 1.08 (.95–1.22) | .2307 |
| 20–24 | Reference | ||||
| 25–29 | 1.03 (.96–1.10) | .447 | .93 (.83–1.04) | .2065 | |
| 30+ | 1.22 (1.12–1.33) | <.0001 | 1.11 (1.00–1.23) | .0484 | |
| Insurance | Medicaid | .99 (.91–1.08) | .816 | 1.08 (.98–1.19) | .1326 |
| Private | Reference | ||||
| Other | 1.44 (1.16–1.78) | .001 | 1.38 (1.22–1.57) | <.0001 | |
| Prenatal care utilization indexb | Inadequate | 1.99 (1.77–2.23) | <.0001 | 1.69 (1.53–1.86) | <.0001 |
| Intermediate | 1.59 (1.35–1.87) | <.0001 | 1.46 (1.29–1.65) | <.0001 | |
| Adequate | Reference | ||||
| Adequate + | 2.64 (2.39–2.91) | <.0001 | 2.14 (1.94–2.35) | <.0001 | |
| Parity | Nulliparous | Reference | |||
| Multiparous | .82 (.78–.87) | <.0001 | .99 (.92–1.07) | .8032 | |
| Urbanicity | Mostly Urban | Reference | |||
| Mostly Rural | 1.12 (.94–1.33) | .2028 | 1.15 (1.01–1.31) | .03 | |
| Completely Rural | 1.17 (.79–1.70) | .4298 | 1.15 (.86–1.52) | .3467 | |
| White – black median household income difference per 10,000 | .99 (.89–1.09) | .8665 | 1.02 (.94–1.11) | .605 | |
| Gini | .79 (.16–3.93) | .7782 | .60 (.24–1.51) | .279 | |
| Black educational Attainmentc | 1.23 (.49–3.03) | .6526 | 1.49 (.59–3.79) | .3914 | |
a 95% Confidence Interval
b Kotelchuck Adequacy of Prenatal Care Utilization Index
c Percent of the non-Hispanic black population age 25 and older with a bachelor’s or higher degree