TABLE 2 Comparison of Mean, SD, and 95% CIs of Adjusted Difference of the MDI of Children Born
to Mothers Enrolled in the Prenatal Supplementation Trial by Prenatal Iron Status in the
Third Trimester, Shaanxi Province, China, 2004 to 2006
Age, mo Group Number Mean (SD) Adjusted Difference (95% CI)a Pa
3 Prenatal-IDA 384 118.6 (21.4)
Prenatal–non-IDA 466 118.3 (20.0) 23.2 (28.3 to 1.9) 0.224
6 Prenatal-IDA 384 98.7 (17.0)
Prenatal–non-IDA 466 99.6 (17.4) 1.8 (22.6 to 6.1) 0.42
12 Prenatal–IDA 384 103.1 (19.0)
Prenatal–non-IDA 466 105.0 (18.8) 5.8 (1.1 to 10.5) 0.016
18 Prenatal-IDA 384 98.0 (15.3)
Prenatal–non-IDA 466 100.2 (15.7) 5.1 (1.2 to 9.0) 0.010
24 Prenatal-IDA 384 87.9 (18.2)
Prenatal–non-IDA 466 90.9 (16.8) 5.3 (0.9 to 9.7) 0.017
a Adjusted by treatment, interaction between treatment and gestation Hb, low birth weight, mother age at enrollment,
gestation week when Hb was checked, parity, gestation week at delivery, and age of children at assessment.