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Table 5 Sensitivity analysis of preterm birth and low birth weight risk associated with white 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 E
RR (95% CI)a
p valueLow 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< 201.06 (.93–1.21).40841.08 (.95–1.22).2307
20–24Reference
25–291.03 (.96–1.10).447.93 (.83–1.04).2065
30+1.22 (1.12–1.33)<.00011.11 (1.00–1.23).0484
InsuranceMedicaid.99 (.91–1.08).8161.08 (.98–1.19).1326
PrivateReference
Other1.44 (1.16–1.78).0011.38 (1.22–1.57)<.0001
Prenatal care utilization indexbInadequate1.99 (1.77–2.23)<.00011.69 (1.53–1.86)<.0001
Intermediate1.59 (1.35–1.87)<.00011.46 (1.29–1.65)<.0001
AdequateReference
Adequate +2.64 (2.39–2.91)<.00012.14 (1.94–2.35)<.0001
ParityNulliparousReference
Multiparous.82 (.78–.87)<.0001.99 (.92–1.07).8032
UrbanicityMostly UrbanReference
Mostly Rural1.12 (.94–1.33).20281.15 (1.01–1.31).03
Completely Rural1.17 (.79–1.70).42981.15 (.86–1.52).3467
White – black median household income difference per 10,000 .99 (.89–1.09).86651.02 (.94–1.11).605
Gini .79 (.16–3.93).7782.60 (.24–1.51).279
Black educational Attainmentc 1.23 (.49–3.03).65261.49 (.59–3.79).3914
  1. a 95% Confidence Interval
  2. b Kotelchuck Adequacy of Prenatal Care Utilization Index
  3. c Percent of the non-Hispanic black population age 25 and older with a bachelor’s or higher degree