Table 3 Significant associations between the results of the CBCL/6-18 and the rs6277 polymorphism of the DRD2 gene
From: Dopamine D2 receptor gene polymorphisms and externalizing behaviors in children and adolescents
Presence of the T allele (C/T e T/T)* | Absence of the T allele (C/C) | p-value | χ2 | |
|---|---|---|---|---|
Challenging and oppositional problems according to the DSM-IV | ||||
No alteration (0) | 14 (35.9%) | 25 (64.1%) | 0.022 | 5.265 |
With alteration (1 and 2) | 28 (60.9%) | 18 (39.1%) | ||
Attention problems and hyperactivity by the DSM-IV | ||||
Few alterations (0 and 1) | 26 (42.6%) | 35 (57.4%) | 0.046 | 3.983 |
Substantial alteration (2) | 16 (66,7%) | 8 (33,3%) | ||