. 2021 Dec 15;115(4):1166–1179. doi: 10.1093/ajcn/nqab406

TABLE 2.

Predictors of maternal serum hepcidin and iron status during pregnancy from week 12 to 36¹

	B	SE of B	Standardized β
sTfR: R² = 0.176
Gestational age	0.266	0.037	0.387***
Prepregnancy BMI	0.187	0.060	0.167**
CRP: R² = 0.200
Gestational age	−0.307	0.135	−0.120*
Prepregnancy BMI	1.788	0.219	0.430***
Serum hepcidin: R² = 0.212
Gestational age	−0.782	0.166	−0.268***
Prepregnancy BMI	0.068	0.253	0.014
sTfR	−1.221	0.245	−0.287***
Overall FIA: R² = 0.472
sTfR	0.919	0.220	0.274***
Hepcidin	−0.382	0.049	−0.508***
CRP	−0.156	0.055	−0.177**
FIA second trimester: R² = 0.514
sTfR	0.995	0.355	0.247**
Hepcidin	−0.542	0.079	−0.599***
CRP	−0.094	0.088	−0.091
FIA third trimester: R² = 0.243
sTfR	0.535	0.217	0.276*
Hepcidin	−0.139	0.050	−0.303**
CRP	−0.122	0.054	−0.242*

Dependent variables are not indented, whereas explanatory variables are. Analyzed using linear regression analyses. ***P < 0.001; **P < 0.01; *P < 0.05. CRP, C-reactive protein; FIA, fractional iron absorption; sTfR, soluble transferrin receptor.