Table 5.

Summary of hierarchical regression analysis for CBCL total problems (n = 78).

Variable	Model 1	Model 2	Model 3	Model 4
Constant	34.851	38.822	36.752	40.173
Age	0.86	−0.27	−0.134	−0.138
ASSQ		0.919**	0.615*	0.623*
ARS-IV inattention			0.562*	0.539
WASI-VIQ				−0.034
R2	0.012	0.550	0.574	0.575
F	0.926	45.87**	33.25**	24.72**
ΔR2		0.54	0.024	0.001
ΔF		89.74**	4.14*	0.22

The table displays the unstandardized regression coefficients for the five models.

^*p < 0.05.

^**p < 0.01. ASSQ, Autism Spectrum Screening Questionnaire: ARS-IV attention; ADHD Rating Scale–IV Inattention subscale (odd-numbered items): WASI-VIQ, Wechsler Abbreviated Scale of Intelligence-estimated Verbal IQ.