Race, Socioeconomic Status, and Age: Exploring Intersections in Preterm Birth Disparities among Teen Mothers

Table 1

Demographic characteristics of study sample [mean ± standard deviation or (%)].

	African-American ()	White ()
Median income (US Dollars)	$37,113 ± $14,690	$44,081 ± $13,192
Low (<$31,389)	2986 (38.4%)	1138 (13.1%)
Middle ($31,389–$48,466)	3287 (42.2%)	4942 (56.9%)
High (>$48,466)	1508 (19.4%)	2611 (30.0%)
Maternal age (years)	17.87 ± 1.26	18.08 ± 1.09
Age <17	1145 (14.7%)	852 (9.8%)
Age 17–19	6636 (85.3%)	7839 (90.2%)

All differences between racial categories were significant at < 0.001.