TABLE 2.

Endline iron status biomarkers in Rwandan women, by intervention group (Fe-Bean or Control-Bean)¹

	Adjusted endline values after 18 wk
	Fe-Bean (n = 61)	Control-Bean (n = 64)	Difference between groups
Hemoglobin, g/dL	12.5 (12.3, 12.7)	12.2 (12.0, 12.4)	0.3 (0.0, 0.5)*
Log ferritin, ln μg/L2	2.6 (2.5, 2.7)	2.4 (2.3, 2.5)	0.2 (0.0, 0.3)*
sTfR, mg/L	8.0 (7.5, 8.6)	8.1 (7.6, 8.7)	−0.1, (−0.9, 0.7)
Body iron, mg/kg	0.5 (0.1, 0.9)	−0.1 (−0.6, 0.3)	0.6 (0.0, 1.3)*

¹Values are least-square means (95% CIs), from general linear models adjusted for baseline value as well as baseline and endline CRP and adjusted for multiple comparisons using the Tukey adjustment method. *Indicates a P value <0.05. Control-Bean, intervention arm receiving conventional beans; CRP, C-reactive protein; Fe-Bean, intervention arm receiving iron-biofortified beans; sTfR, soluble transferrin receptor.

²Ferritin was log transformed. Least-square means (95% CI) for the untransformed model (for easier interpretation of the effect) were as follows: Fe-Bean, 15.1 μg/L (13.6, 16.7); Control-Bean, 12.3 μg/L (10.8, 13.7); difference between groups, 2.9 μg/L (0.7, 5.0).