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Table 2 Mean and Standard Deviation of the Strengths and Difficulty Scores (SDQ) for Children aged 4–15 by Body Mass Index Category

From: Association between children living with obesity and Mental Health problems: a data analysis of the Welsh Health Survey, UK

Body Mass Index (BMI) classification

SDQ mean

SDQ SD

Frequency

Obese

8.5

6.4

1,582

Normal weight

7.6

5.9

5,186

Overweight

7.6

5.9

1,310

No BMI data

8.0

6.4

3,201

TOTAL

7.8

6.1

11,279

  1. Cohen’s d = 0.15