Table 3.

Generalized estimating equation (GEE) predicting covert antisocial behavior (ASB)

Variables	β	z	p < value
Model 1
Age	−0.25	−5.32	0.0001
Wave	0.004	0.13	0.89
Deviant peer affiliation (DPA)	2.21	9.51	0.0001
MAOA genotype	0.06	0.35	0.72
Model 2
Age	−0.26	−5.34	0.0001
Wave	0.004	−0.13	0.89
Deviant peer affiliation (DPA)	1.88	3.99	0.0001
MAOA genotype	−0.11	−0.44	0.66
Deviant peer × MAOA interaction	0.51	0.92	0.36