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. Author manuscript; available in PMC: 2018 Mar 6.
Published in final edited form as: Eur J Clin Nutr. 2017 Sep 6;72(1):130–135. doi: 10.1038/ejcn.2017.138

Table 2.

Infant iron status indicators by treatment arm at age 6 monthsa

Placebo
(N = 151)		 Zinc
(N = 151)		 Multivitamins
(N = 147)		 Multivitamins plus zinc
(N = 144)
Iron deficiencyb [N (%)] 13 (8.6) 23 (15.2) 7 (4.8) 11 (7.6)
Ferritin, μg/L 48.1 (40.7, 55.4) 50.7 (43.4, 58.1) 51.3 (43.8, 58.7) 51.7 (44.1, 59.2)
 adjusted for α-1-acid glycoprotein 47.8 (40.8, 54.9) 51.5 (43.9, 58.2) 51.3 (44.1, 58.6) 51.3 (44.1, 58.6)
Soluble transferrin receptor, mg/L 1.8 (1.7, 2.0) 1.8 (1.7, 2.0) 1.7 (1.5, 1.8) 1.8 (1.6, 1.9)
a

Values are N (%) or means with 95%CI from ANOVA models.

b

Iron deficiency was defined as ferritin < 12 μg/L or, where α-1-acid-glycoprotein ≥ 1.0 g/L, soluble transferrin receptor > 8.3 mg/L.

Comparison of iron deficiency prevalence among treatment arms: χ2(3) = 10.62, p = .014.