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Table 5 Results from multiple regression analysis of body composition outcomes and relevant covariates in children at 6-11 years of age†

From: Lower birth weight and increased body fat at school age in children prenatally exposed to modern pesticides: a prospective study

Outcome

Β (95% CI)

p

   Covariates in model

  

BMI Z-score

  

   Social class 5 ‡

0.04(-0.45; 0.53)

0.876

   Social class 1-3 ‡

-0.54(-1.03; -0.09)

0.023

   Maternal smoking in pregnancy (< 10 cigarettes)

0.68(0.09; 1.29)

0.025

   Maternal smoking in pregnancy (≥ 10 cigarettes)

0.48(-0.10; 1.05)

0.106

   Maternal pesticide exposure medium level

0.17(-0.28; 0.63)

0.452

   Maternal pesticide exposure high level

0.36(-0.13; 0.86)

0.150

ΔBMI Z-score between school age and birth

  

   Gestational age (days)

-0.06(-0.08; -0.04)

0.000

   Social class 5 ‡

0.28(-0.28; 0.82)

0.324

   Social class 1-3 ‡

-0.75(-1.3; -0.22)

0.006

   Maternal smoking in pregnancy (< 10 cigarettes)

0.76(0.11; 1.44)

0.025

   Maternal smoking in pregnancy (≥ 10 cigarettes)

0.76(0.11; 1.41)

0.022

   Maternal pesticide exposure medium level

0.49(-0.02; 0.99)

0.061

   Maternal pesticide exposure high level

0.63(0.08; 1.19)

0.026

Sum of four skin folds, mm (log transformed)

  

   Female gender

22.2(8.4; 37.4)

0.01

   Age, years

4.7 (-0.2; 9.9)

0.057

   Social class 5 ‡

1.4(-12.7; 17.5)

0.876

   Social class 1-3 ‡

-14.7(-25.5; -0.9)

0.030

   Maternal smoking in pregnancy (< 10 cigarettes)

13.5(-5.2; 36.1)

0.165

   Maternal smoking in pregnancy (≥ 10 cigarettes)

16.9(1.8; 39.6)

0.078

   Maternal pesticide exposure medium level

9.4(-4.5; 25.3)

0.198

   Maternal pesticide exposure high level

15.8(0.2; 34.6)

0.053

Body fat percentages (log transformed)

  

   Female gender

12.5(2.8; 22.7)

0.009

   Age, years

3.3(0.5; 7.2)

0.096

   Social class 5 ‡

-1.1(-11,7; 10.9)

0.860

   Social class 1-3 ‡

-10.1(-18.9; 2.3)

0.067

   Maternal smoking in pregnancy (< 10 cigarettes)

8.4(-5.6; 24.5)

0.232

   Maternal smoking in pregnancy (≥ 10 cigarettes)

14.5(2.3; 31.2)

0.026

   Maternal pesticide exposure medium level

5.7(-4.9; 17.2)

0.277

   Maternal pesticide exposure high level

13.0(0.7; 26.8)

0.034

  1. † Expressed as differences (95%-CI) for BMI Z-score and ΔBMI Z-score between school age and birth, and relative differences in percent (95%-CI) for Sum of four skin folds and body fat percentage (log-transformed variables). ‡Social group 4 is used as reference.