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Table 3 Logistic regression models, using dichotomized SDQ scores at 5.5 years (dichotomized at > 85th percentile) as the dependent variables and language skills at 3 years as independent variables

From: Relationship between early language skills and the development of inattention/hyperactivity symptoms during the preschool period: Results of the EDEN mother-child cohort

 

Language score at 3 yearsa

Modelsb

N = 775 (84.8 %)

Standardized Estimate

Mean (SD)

Estimate

p-value

Model A

Emotional symptoms score at 5.5 years ≤ 9 / N = 1037 (87.6 %) [ref]

0.01 (0.99)

0.03

0.538

Emotional symptoms score at 5.5 years > 9 / N = 147 (12.4 %)

0.04 (1.05)

  

Model B

Conduct problems score at 5.5 years ≤ 7 / N = 1001 (84.5 %) [ref]

0.05 (0.99)

0.07

0.265

Conduct problems score at 5.5 years > 7 / N = 184 (15.5 %)

-0.13 (1.01)

  

Model C

Hyperactivity-inattention score at 5.5 years ≤ 6 / N = 992 (83.8 %) [ref]

0.11 (0.94)

-0.12

0.021

Hyperactivity-inattention score at 5.5 years > 6 / N = 192 (16.2 %)

-0.44 (1.15)

  

Model D

Peer relationship problems score at 5.5 years ≤ 3 / N = 1016 (85.7 %) [ref]

0.06 (0.97)

0.02

0.806

Peer relationship problems score at 5.5 years > 3 / N = 169 (14.3 %)

-0.20 (1.14)

  

Model E

Prosocial behavior score at 5.5 years > 11 / N = 997 (84.2 %) [ref]

0.05 (0.97)

0.00

0.937

Prosocial behavior score at 5.5 years ≤ 11 / N = 187 (15.8 %)

-0.11 (1.10)

  
 

Semantic fluency (ELOLA)

  

Model C1

Hyperactivity-inattention score at 5.5 years ≤ 6 / N = 992 (83.8 %) [ref]

7.0 (3.8)

0.0

0.991

Hyperactivity-inattention score at 5.5 years > 6 / N = 192 (16.2 %)

6.1 (4.0)

  
 

Word and nonword repetition (ELOLA)

  

Model C2

Hyperactivity-inattention score at 5.5 years ≤ 6 / N = 992 (83.8 %) [ref]

7.8 (3.2)

-0.07

0.214

Hyperactivity-inattention score at 5.5 years > 6 / N = 192 (16.2 %)

6.8 (3.5)

  
 

Sentence repetition (NEPSY)

  

Model C3

Hyperactivity-inattention score at 5.5 years ≤ 6 / N = 992 (83.8 %) [ref]

7.4 (3.3)

-0.09

0.109

Hyperactivity-inattention score at 5.5 years > 6 / N = 192 (16.2 %)

5.8 (3.2)

  
 

Picture naming (ELOLA)

  

Model C4

Hyperactivity-inattention score at 5.5 years ≤ 6 / N = 992 (83.8 %) [ref]

7.1 (1.8)

-0.06

0.220

Hyperactivity-inattention score at 5.5 years > 6 / N = 192 (16.2 %)

6.4 (2.3)

  
 

Comprehension of instructions (NEPSY)

  

Model C5

Hyperactivity-inattention score at 5.5 years ≤ 6 / N = 992 (83.8 %) [ref]

8.8 (2.9)

-0.11

0.030

Hyperactivity-inattention score at 5.5 years > 6 / N = 192 (16.2 %)

7.4 (3.1)

  
  1. P-values in bold are statistically significant (p < 0.05)
  2. aLanguage score (z-score) at 3 years was calculated as the linear combination of the weighted language measures at 3 years (weighted by the loading of each variable on the language factor)
  3. bAdjusted for pre- and postnatal environmental factors, performance IQ (WPPSI-III), SDQ scores at 3 years, recruitment center and age of the child at the time of testing at 3 years
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BMC Psychiatry

ISSN: 1471-244X

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