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Table 2 Weight for age z scores at birth: associations with potential predictors in regression models

From: Nutritional status of young children in Mumbai slums: a follow-up anthropometric study

 

Weight for age z score at birth

Weight for age z score < −2 SD

N = 17318

Univariable

Multivariable

Univariable

Multivariable

 

Coefficient

(95% CI)

Coefficient

(95% CI)

OR

(95% CI)

aOR

(95% CI)

Household

        

Allocation to trial intervention (reference: control)

−0.055

(−0.126, 0.017)

0.019

(−0.034, 0.071)

1.051

(0.960, 1.150)

0.963

(0.869, 1.066)

Asset score (continuous)

0.070

(0.050, 0.091)

0.074

(0.054, 0.094)

0.900

(0.865, 0.937)

0.867

(0.850, 0.927)

Nuclear family (reference: extended family)

0.000

(−0.008, 0.008)

0.000

(−0.008, 0.008)

0.992

(0.972, 1.012)

0.993

(0.973, 1.015)

Religion (reference: Hindu)

        

Muslim

0.154

(0.107, 0.200)

0.144

(0.101, 0.187)

0.887

(0.816, 0.963)

0.867

(0.793, 0.949)

Buddhist

−0.223

(−0.317, 0.129)

−0.214

(−0.302, -0.125)

1.383

(1.176, 1.627)

1.375

(1.157, 1.634)

Other

0.105

(−0.033, 0.244)

0.081

(−0.051, 0.214)

0.933

(0.710, 1.225)

0.952

(0.715, 1.267)

Mother

        

Age (continuous, in years)

0.020

(0.015, 0.024)

0.009

(0.004, 0.015)

0.981

(0.972, 0.990)

0.989

(0.978, 1.000)

Schooling (reference: none)

        

Primary

−0.058

(−0.148, 0.032)

−0.033

(−0.012, 0.053)

1.145

(0.968, 1.364)

1.124

(0.940, 1.345)

Secondary

−0.030

(−0.077, 0.018)

0.006

(−0.041, 0.054)

1.038

(0.947, 1.139)

1.019

(0.921, 1.129)

Higher

0.140

(0.068, 0.211)

0.189

(0.116, 0.262)

0.839

(0.725, 0.970)

0.812

(0.691, 0.954)

Pregnancy

        

3 or more antenatal care visits (reference: <3 visits)

0.209

(0.117, 0.301)

0.179

(0.054, 0.094)

0.687

(0.583, 0.809)

0.716

(0.602, 0.851)

Took more rest in third trimester than before pregnancy

−0.017

(−0.061, 0.026)

0.042

(0.001, 0.084)

0.957

(0.880, 1.042)

0.884

(0.808, 0.967)

Did less work in third trimester than before pregnancy

−0.054

(−0.096, -0.012)

0.016

(−0.024, 0.056)

1.038

(0.958, 1.125)

0.948

(0.870, 1.034)

Ate more food in second and third trimesters than before pregnancy

0.108

(0.056, 0.159)

0.130

(0.081, 0.179)

0.876

(0.790, 0.970)

0.833

(0.747, 0.928)

Packets of iron tablets taken (1, 2, 3; reference: none)

0.061

(0.042, 0.081)

0.043

(0.023, 0.063)

0.895

(0.863, 0.929)

0.921

(0.883, 0.959)

Newborn infant

        

Birth order (reference: first baby)

0.115

(0.093, 0.137)

0.108

(0.082, 0.134)

0.900

(0.862, 0.941)

0.896

(0.848, 0.947)

Female infant (reference: male)

−0.011

(−0.049, 0.026)

−0.003

(−0.039, 0.033)

1.127

(1.047, 1.213)

1.123

(1.041, 1.212)

Twin (reference: singleton)

−1.724

(−1.865, -1.584)

−1.528

(−1.665, -1.391)

10.174

(7.911, 13.085)

9.182

(7.065, 11.933)

Preterm (reference: term)

−1.182

(−1.254, -1.110)

−1.077

(−1.148, -1.006)

4.513

(3.999, 5.093)

4.119

(3.637, 4.665)

  1. Multivariable models include covariates for asset score, religion, maternal age and schooling, three or more antenatal care visits, birth order, twin status and preterm. CI: confidence interval. OR: odds ratio. aOR: adjusted odds ratio. SD: standard deviation.