Table 3.

Significant Effects of ppBMI and Weight Gain on Maternal Iron Status Indicators.

Variables	β	95% CI	P	R 2 model
Midgestation serum irona				0.09
ppBMI, kg/m2	−0.026	−0.05 to −0.007	.009
Weight gain at midgestation, kg	−0.005	−0.02 to 0.01	.58
Midgestation hepcidina				0.07
ppBMI, kg/m2	0.026	−0.0004 to 0.05	.054
Weight gain at midgestation, kg	−0.010	−0.04 to 0.02	.49
Delivery serum hepcidinb				0.06
ppBMI, kg/m2	0.035	0.005 to 0.06	.024
Total gestational weight gain, kg	0.0096	−0.01 to 0.03	.38

Abbreviations: CI, confidence interval; ppBMI, prepregnancy body mass index.

^aAdjusted for maternal age, race, gestational age at midgestation, and dietary iron intake during pregnancy.

^bAdjusted for maternal age, race, gestational age at delivery, dietary iron intake during pregnancy, and delivery mode.