Table 1:

Demographic and clinical characteristics of women with antepartum hemoglobin (Hb) <11g/dL, stratified by severity of anemia (Hb 10.2–11g/dL and <10.2g/dL) and compared by self-reported race (Black versus non-Black)

	Antepartum 10.2–11g/dL			Antepartum <10.2g/dL
	Black N=562	Non-Black N=191	P value	Black N=518	Non-Black N=98	P value
Antepartum Hb nadira	10.6 [10.4–10.8]	10.7 [10.4–10.8]	0.003	9.5 [9.0–9.9]	9.6 [9.2–9.9]	0.12
Maternal agea	27 [23–31]	32 [28–35]	<0.001	27 [23–31]	32 [28–36]	<0.001
Prepregnancy maternal BMIb (mg/kg2)a	32.8 [27.6–37.6]	28.9 [25.9–32.9]	<0.001	31.1 [27.1–36.3]	29.0 [25.8–32.1]	<0.001
Nulliparityc	193 (34.3)	92 (48.2)	<0.001	158 (30.5)	41 (41.8)	0.03

^aMedian[IQR]

^bBody mass index (BMI)

^cn (%)