Table 2.

Participant recruitment and selection of patients for inclusion (n=1851)

Characteristic	No.
Consent obtained from parents of healthy children between ages 12 and 38 months enrolled in the TARGet Kids! cohort	4995
Exclusion criteria
1. No maternal ethnicity data	481
2. No serum ferritin data	2413
3. Serum ferritin value>200 µg/L	1
4. CRP≥10 mg/L or missing	61
5. Receiving iron supplementation	44
6. Receiving multivitamins with iron	65
7. Receiving both iron supplementation and multivitamins with iron	1
8. Missing iron supplementation data	78
Final cohort	1851

CRP, C reactive protein.