Table 3.

Per SDQ version, Cronbach’s alpha (α) and nonlinear structural equation modelling reliability (ρ_NL) coefficients

SDQ scale	α	ρNL	α	ρNL
	Self-reported SDQ version		Parent-reported version
Emotional	0.71	0.73	0.75	0.84
Conduct	0.47	0.51	0.57	0.63
Hyperactivity	0.76	0.79	0.78	0.87
Social	0.56	0.59	0.61	0.65
Prosocial	0.58	0.61	0.72	0.75
Externalizing	0.74	0.81	0.77	0.90
Internalizing	0.72	0.79	0.77	0.88
Total	0.69	0.76	0.74	0.86