Table 2.

Racism Lifetime Experiences (RALES), stress and depressive symptoms (CES-D): crude risk of preterm birth, Baltimore, Maryland 2001–04

	n	% Preterm	Unadjusted hazard ratio [95% CI]
Racism Lifetime Experiences
Top quartile	214	15.4%	0.88 [0.58, 1.35]
Bottom three quartiles	618	17.2%	1.00 Reference
Racism Lifetime Experiences
Above median	425	16.7%	1.00 [0.70, 1.44]
Below median	407	16.7%	1.00 Reference
Stress
Top quartile (≥21)	220	19.6%	1.28 [0.89, 1.84]
Lower three quartiles (<21)	610	15.7%	1.00 Reference
Depressive symptoms
CES-D ≥ 16	351	19.9%	1.46 [1.05, 2.04]
CES-D < 16	481	14.4%	1.00 Reference