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Table 1 Descriptive statistics for the antisocial phenotype measures

From: A gene × gene interaction between DRD2 and DRD4 is associated with conduct disorder and antisocial behavior in males

Measure

Mean

Standard Deviation

Range

Conduct disorder at wave 1

1.28

1.95

0–12

Conduct disorder at wave 2

.33

.82

0–7

Conduct disorder at wave 3

.40

.77

0–7

Lifetime conduct problems

.67

.91

0–5.67

Composite antisocial behavior index

.08

.29

0–2