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Table 4 Sensitivity analysis of violent crime in the association between birth outcomes and black jail incarceration

From: Mass incarceration and public health: the association between black jail incarceration and adverse birth outcomes among black women in Louisiana

VariableCategoriesPreterm Birth
Model C
RR (95% CI)a
p valueLow Birth Weight
Model D
RR (95% CI)
p value
Black Jail Incarceration Prevalence (per IQRb increase) 1.04 (1.01–1.07).00741.03 (1.00–1.05).0440
Maternal age< 201.06 (.92–1.21).42811.08 (.95–1.22).2457
20–24Reference
25–291.03 (.96–1.10).432.93 (.83–1.04).2087
30+1.22 (1.12–1.33)<.00011.11 (1.00–1.23).0421
InsuranceMedicaid.99 (.91–1.08).85371.08 (.98–1.19).1249
PrivateReference
Other1.43 (1.15–1.79).00121.38 (1.22–1.57)<.0001
Prenatal care utilization indexcInadequate1.99 (1.78–2.24)<.00011.69 (1.53–1.87)<.0001
Intermediate1.56 (1.32–1.84)<.00011.44 (1.28–1.63)<.0001
AdequateReference
Adequate +2.66 (2.42–2.92)<.00012.15 (1.96–2.36)<.0001
ParityNulliparousReference
Multiparous1.21 (1.15–1.27)<.00011.01 (.93–1.09).8754
UrbanicityMostly UrbanReference
Mostly Rural1.18 (.99–1.39).05631.20 (1.06–1.36).0042
Completely Rural1.35 (.92–1.99).12841.29 (.97–1.72).0828
White – black median household income difference per 10,000 1.01 (.91–1.11).88531.05 (.97–1.13).2148
Gini .34 (.05–2.19).2652.31 (.11–.88).0277
Black educational Attainmentd 1.52 (.64–3.59).33851.77 (.79–3.97).1667
Crime Rate (per IQR increase) 1.00 (1.00–1.01).03111.04 (.96–1.12).3711
  1. a 95% Confidence Interval
  2. b IQR – Interquartile Range
  3. c Kotelchuck Adequacy of Prenatal Care Utilization Index
  4. d Percent of the non-Hispanic black population age 25 and older with a bachelor’s or higher degree