Table 4: Multiple regression analysis of weight growth and food factors influencing change in iron status indices.

Dependent variable At 12 months Independent variable Boys Girls   95% Conf interval of B   95% Conf interval of B B Lower Bound Upper Bound B Lower Bound Upper Bound Log SF Length gain, cm (0–12 months) −0.0823 −0.150 −0.014 — — — Weight gain, 100 g (0–6 months) −0.0201 −0.040 −0.001 −0.0122 −0.027 0.003 Weight gain, 100 g (0–12 months) −0.0174 −0.032 −0.003 0.00454 −0.016 0.007 Formula g/per day at 12 months 0.00077 −0.000062 0.0016 0.00077 0.00019 0.0014 Porridge g/per day at 9 months — — — 0.0124 0.002 0.023 Bread g/per day at 9 months — — — −0.0113 −0.017 −0.005 Hb Meat intake g/per day at 9 months 0.127 0.043 0.211 — — — Breastfeeding duration (mo) −0.919 −1.473 −0.365 — — — Formula g/per day at 12 months 0.0145 0.004 0.025 — — — Fruit intake g/per day at 12 months — — — 0.0384 0.009 0.068 Dairy intake g/per day at 12 months — — — 0.0319 0.003 0.061 Iron intake mg/per day at 9 months 0.879 0.224 1.534 — — — MCV Breastfeeding duration (mo) −0.261 −0.515 0.003 — — — Iron intake mg/per day at 12 months — — — 0.297 0.061 0.534 Vitamin C intake mg/per day at 9 months — — — 0.0359 0.008 0.064

Adjusted for birth weight. —No association found.