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Table 3 CBCL scores by age group

From: Gender differences in externalizing and internalizing problems in Singaporean children and adolescents with attention-deficit/hyperactivity disorder

  6–12 years old (n = 524) 13–18 years old (n = 37) P Effect size
r
Median (25th–75th quartile) Median (25th–75th quartile)
Syndrome scales
 Withdrawn/depressed 2.0 (1.0–5.0) 4.0 (2.0–6.0) 0.022 − 0.10
 Somatic complaints 2.0 (0.0–4.0) 2.0 (1.0–4.0) 0.319 − 0.04
 Anxious/depressed 4.0 (2.0–8.0) 7.0 (4.5–9.0) 0.008 − 0.11
 Social problems 5.0 (3.0–7.0) 6.0 (2.0–9.0) 0.195 − 0.05
 Thought problems 2.0 (1.0–4.0) 3.0 (2.0–50) 0.051 − 0.08
 Attention problems 10.0 (7.0–12.0) 12.0 (8.5–13.0) 0.008 − 0.11
 Delinquent behavior 3.5 (2.0–5.0) 6.0 (3.0–9.0) 0.002 − 0.13
 Aggressive behavior 14.0 (8.0–20.0) 17.0 (9.0–23.5) 0.155 − 0.06
Internalizing problems 9.0 (4.25–15.0) 12.0 (8.0–19.0) 0.009 − 0.11
Externalizing problems 17.0 (11.0–25.0) 22.0 (11.0–33.0) 0.032 − 0.09
Total problems 49.0 (34.0–67.0) 63.0 (40.0–76.5) 0.026 − 0.09