TABLE 4

Linear and Quadratic Models for the Association Between Maternal Hb Concentration and Infant ELC and GM Scores

Model I, β (95% CI)Model II, β (95% CI)Model III, β (95% CI)aModel IV, β (95% CI)a
ELC score
 First ANC visit0.05 (−0.04 to 0.14)0.03 (−0.06 to 0.11)NANA
 Second ANC visit0.02 (−0.09 to 0.12)−0.00 (−0.10 to 0.10)NANA
 Delivery0.03 (−0.06 to 0.12)0.02 (−0.07 to 0.10)NANA
GM score
 First ANC visit0.02 (−0.07 to 0.11)−0.04 (−0.13 to 0.05)−5.5 × 10−3 (−9.5 × 10−3 to −1.4 × 10−3)**−5.6 × 10−3 (−9.6 × 10−3 to −1.6 × 10−3)**
 Second ANC visit−0.06 (−0.17 to 0.04)−0.09 (−0.19 to 0.01)−6.6 × 10−3 (−1.2 × 10−2 to −9.2 × 10−4)**−7.0 × 10−3 (−1.3 × 10−2 to −1.2 × 10−3)*
 Delivery−0.02 (−0.11 to 0.07)−0.04 (−0.13 to 0.05)NANA
  • Model I, crude (unadjusted); Model II, linear model adjusted for maternal education, infant weight-for-age z score, HOME score, and gestational age at blood assessment (for ELC score) and in addition, gravidity, family possession (for GM score); Model III, quadratic model adjusted for maternal education, gravidity, family possession, infant weight-for-age z score, HOME score, and gestational age at Hb assessment; Model IV, Model III + adjusting for iron deficiency, helminth, and malaria at respective ANC visit; NA, not applicable. *P < .05; **P < .01.

  • a β (95% CI) for the quadratic term for Hb.