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Table 2 Relative body size at birth, and up to 56 months of age and ADHD-symptoms

From: Trajectories of growth and symptoms of attention-deficit/hyperactivity disorder in children: a longitudinal study

 

Model I

Model II

 

Effect size in SD units

(95% CI)

P-value

Effect size in SD units

(95% CI)

P-value

At birth

      

   Weight

-0.39

(-0.65 to -0.13)

0.003

-0.41

(-0.69 to -0.14)

0.003

   Length

-0.32

(-0.58 to -0.06)

0.02

-0.33

(-0.61 to -0.05)

0.02

   Head circumference

-0.40

(-0.68 to -0.12)

0.01

-0.36

(-0.65 to -0.07)

0.01

   BMI

-0.33

(-0.59 to -0.07)

0.01

-0.33

(-0.60 to -0.06)

0.02

At 5 months

      

   Weight

-0.16

(-0.45 to 0.13)

0.28

-0.19

(-0.53 to 0.15)

0.27

   Length

-0.12

(-0.42 to 0.18)

0.44

-0.1

(0.46 to 0.26)

0.57

   Head circumference

-0.39

(-0.69 to -0.10)

0.01

-0.31

(-0.61 to -0.01)

0.04

   BMI

-0.13

(-0.43 to 0.16)

0.37

-0.17

(-0.50 to 0.15)

0.29

At 20 months

      

   Weight

-0.11

(-0.43 to 0.21)

0.49

-0.13

(-0.46 to 0.20)

0.44

   Length

-0.05

(-0.36 to 0.26)

0.73

-0.02

(-0.35 to 0.31)

0.90

   Head circumference

-0.36

(-0.68 to -0.05)

0.02

-0.29

(-0.61 to 0.04)

0.08

   BMI

-0.14

(-0.46 to 0.19)

0.42

-0.19

(-0.52 to 0.14)

0.26

At 56 months

      

   Weight

-0.04

(-0.36 to 0.25)

0.72

-0.1

(-0.43 to 0.24)

0.57

   Length

0.09

(-0.22 to 0.40)

0.56

0.15

(-0.20 to 0.51)

0.40

   Head circumference

-0.40

(-0.71 to -0.10)

0.01

-0.34

(-0.65 to -0.03)

0.03

   BMI

-0.27

(-0.57 to 0.04)

0.09

-0.34

(-0.67 to -0.01)

0.04

  1. ADHD = Attention-Deficit/Hyperactivity Disorder, BMI = Body-mass index
  2. Model I: After controlling for child's sex; Model II: after controlling for child's sex, gestational age, admission to neonatal ward, multiple pregnancy, mother's smoking during pregnancy, parental education, maternal age, and maternal height.