Table 5.

Infant Risk of Preterm Birth by Generational Socio-economic Neighborhood Context: an Intergenerational Study, Allegheny County, Pennsylvania

	Infant PTB risk
	OR	95% CI
Racial neighborhood contexta
High-high % black
Preterm birth mothersc	1.73	0.93, 3.23
Medium-medium % black
Preterm birth mothersc	1.05	0.29, 3.80
Low-low % black
Preterm birth mothersc	1.23	0.68, 2.23
Change to lower % black
Preterm birth mothersc	1.01	0.47, 2.14
Change to higher % black
Preterm birth mothersc	2.33	1.27, 4.28
Economic neighborhood contextb
High-high poverty
Preterm birth mothersc	1.51	0.99, 2.31
Low-low poverty
Preterm birth mothersc	1.30	0.66, 2.56
High-low poverty
Preterm birth mothersc	1.50	0.76, 2.96
Low-high poverty
Preterm birth mothersc	1.72	0.53, 5.64

^aAdjusted for mothers’ race, maternal age, marital status, educational attainment, health insurance, intergenerational neighborhood poverty

^bAdjusted for mothers’ race, maternal age, marital status, educational attainment, health insurance, intergenerational neighborhood racial composition

^cPreterm versus term mothers