Table 2 Follow-up cohorts.

From: DNA methylation signatures of aggression and closely related constructs: A meta-analysis of epigenome-wide studies across the lifespan

Cohort

Type

DNA methylation

Phenotype

N

% female

Mean age (SD)

Aggression mean (SD)

NeuroIMAGE [41]

Clinical cohort; ADHD

Illumina EPIC

Callous Traits

71

28.2

21 (2.9)

9.3 (4.4)

FemNAT-CD [42]

Clinical cohort; Conduct disorder

HpaII methylation Sequencing

Case-control status

Total: 100 Cases: 50 Controls: 50

100

Cases: 16.1(1.6) Controls: 15.8(1.5)

NA

ACTION –NTR [43]

Twin cohort, selected on aggression (high-low)

Illumina EPIC

CBCL aggression

1237

47.4

9.6 (1.9)

5.0 (5.4)

ACTION-Curium-LUMC [43]

Clinical cohort; children with severe and complex mental health problems

Illumina EPIC

CBCL aggression

172

25.6

9.6 (1.7)

13.1 (7.6)

  1. NeuroIMAGE The NeuroIMAGE study is a follow-up of the Dutch part of the International Multicenter ADHD Genetics (IMAGE) project, FemNAT-CD Neurobiology and Treatment of Adolescent Female Conduct Disorder, ACTION Aggression in children: unraveling gene-environment interplay to inform Treatment and InterventiON strategies, NTR Netherlands Twin Register.