Skip to main content

Table 3 Association between gestational weekly weight gain and development of infants a

From: Effect of maternal pre-pregnancy BMI and weekly gestational weight gain on the development of infants

 

Weekly gestational weight gain

 

Unadjusted analysis

Model 1 b

Model 2 c

 

Coef(95%CI)

P

Coef(95%CI)

P

Coef(95%CI)

P

Age of 3 months

 WAZ

0.38(0.06,0.71)

0.022

0.37(0.04,0.70)

0.027

0.37(0.03,0.70)

0.034

 LAZ

0.42(0.04,0.80)

0.029

0.40(0.02,0.78)

0.039

0.42(0.03,0.81)

0.036

 WLZ

0.01(−0.37,0.39)

0.946

0.02(−0.36,0.39)

0.936

0.03(−0.35,0.41)

0.862

 MDI

10.49(4.82,17.03)

< 0.001

10.81(4.75,16.88)

< 0.001

11.15(4.89,17.41)

< 0.001

Age of 6 months

 WAZ

0.38(0.06,0.71)

0.022

0.38(0.05,0.71)

0.024

0.37(0.04,0.71)

0.031

 LAZ

0.59(0.21,0.97)

0.002

0.57(0.19,0.95)

0.004

0.59(0.19,0.98)

0.003

 WLZ

−0.05(−0.44,0.33)

0.779

− 0.04(− 0.42,0.33)

0.819

− 0.03(− 0.41,0.36)

0.895

 MDI

4.54(− 1.52,10.60)

0.142

4.85(− 1.17,10.88)

0.114

4.57(− 1.63,10.78)

0.148

Age of 12 months

 WAZ

0.52(0.19,0.84)

0.002

0.51(0.18,0.84)

0.002

0.51(0.17,0.84)

0.003

 LAZ

0.41(0.03,0.79)

0.034

0.40(0.02,0.78)

0.038

0.40(0.01,0.80)

0.043

 WLZ

0.37(−0.01,0.75)

0.054

0.38(0.01,0.75)

0.045

0.40(0.02,0.78)

0.039

 MDI

5.04(−1.01,11.09)

0.103

5.07(−0.94,11.08)

0.099

5.85(−0.36,12.05)

0.065

Age of 18 months

 WAZ

0.30(−0.03,0.63)

0.077

0.29(−0.04,0.63)

0.088

0.28(−0.06,0.63)

0.105

 LAZ

0.43(0.05,0.82)

0.028

0.40(0.02,0.79)

0.041

0.42(0.02,0.81)

0.040

 WLZ

0.09(−0.30,0.48)

0.651

0.10(−0.29,0.48)

0.618

0.12(−0.27,0.50)

0.561

 MDI

4.08(−2.05,10.21)

0.192

4.27(−1.83,10.37)

0.170

4.36(− 1.94,10.66)

0.175

Age of 24 months

 WAZ

0.36(0.03,0.69)

0.032

0.35(0.02,0.68)

0.040

0.34(0.01,0.68)

0.049

 LAZ

0.40(0.01,0.78)

0.043

0.37(−0.02,0.75)

0.062

0.38(− 0.02,0.77)

0.061

 WLZ

0.16(−0.22,0.55)

0.411

0.17(−0.21,0.55)

0.380

0.19(−0.20,0.58)

0.336

 MDI

−0.85(−6.96,5.27)

0.785

−1.08(−7.17,5.00)

0.727

−0.65(−6.93,5.63)

0.839

Total

 WAZ

0.39(0.12,0.66)

0.005

0.38(0.11,0.65)

0.006

0.38(0.09,0.66)

0.009

 LAZ

0.45(0.15,0.76)

0.004

0.43(0.13,0.73)

0.006

0.44(0.12,0.76)

0.006

 WLZ

0.12(−0.15,0.38)

0.381

0.12(− 0.13,0.38)

0.333

0.14(− 0.12,0.41)

0.284

 MDI

4.70(0.79,8.60)

0.018

4.74(0.93,8.55)

0.015

5.01(1.03,8.99)

0.014

  1. Abbreviation: CI Confidence interval, LAZ Length for age Z scores, MDI Mental development index, WAZ Weight for age Z scores
  2. aGeneralized estimated equation linear model were used to assess the association between weekly gestational weight gain and development of infants
  3. bModel 1 include the variables of county, sex of infant, maternal age, educational level of parents, household wealth index, occupation of parents
  4. cModel 2 include the variables of county, sex of infant, maternal age, educational level of parents, household wealth index, occupation of parents, gestational weeks at birth, gestational weeks when maternal weight measured, maternal pre-pregnancy BMI, type of prenatal micronutrient supplementation, doses of supplements consumed