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

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 index^b	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
Parity	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 Attainment^c		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

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