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. Author manuscript; available in PMC: 2018 Sep 1.
Published in final edited form as: Environ Int. 2017 Jun 8;106:248–256. doi: 10.1016/j.envint.2017.05.015

Table 1.

Study sample characteristics

Variable N Mean (SD)
Age (days) at 6 week testing 231 43.0 (5.1)
Age (days) at 9 month testing 218 283.3 (10.6)
Gestational age (weeks) 233 39.6 (1.0)
Birth weight (kg) 233 3.4 (0.4)
N (%)
Sex (male) 233 121 (51.9)
Low cord ferritin (≤75 μg/L) 218 42 (19.3)