Table 5.

Binomial regressions demonstrating the relationship between each categorical variable and the addition of IR medication at 90 days

Variable Group	Variable	Wald statistic (χ²)	Nagelkerke R²	p
ER Prescription	Number of ERs previously attempted	1.40	0.011	0.24
	ER Prescription category (Dyanavel XR, AMP ER Stimulants, or MPH ER Stimulants)	2.40	0.017	0.12
	ER Prescription category (pooled; Dyanavel XR or all other ER stimulants)	4.32	0.039	0.04
Side effects at baseline^a	Insomnia	0.06	0.000	0.81
	Generalized Pain	0.06	0.000	0.80
	Dry mouth	0.54	0.004	0.46
	Poor Appetite	2.07	0.016	0.15
	Food Binges	0.39	0.003	0.53
	Tics	0.00	0.000	0.96
	Anger	0.06	0.000	0.81
	Suspiciousness	0.63	0.005	0.43
	Restless Legs	0.28	0.002	0.60
	End of Dose Crash^b	2.12	0.005	0.15
	Return of Symptoms as Medication Wears Off	3.55	0.057	0.06
Side effects at 90 days^{a, c}	Insomnia	0.12	0.001	0.73
	Generalized Pain	0.33	0.002	0.57
	Dry mouth	2.5	0.020	0.12
	Poor Appetite	0.24	0.002	0.63
	Food Binges	0.05	0.000	0.83
	Tics	0.09	0.001	0.76
	Anger	2.33	0.018	0.13
	Suspiciousness	0.24	0.002	0.60
	Restless Legs	0.67	0.005	0.41
	End of Dose Crash^b	2.22	0.015	0.14
	Return of Symptoms as Medication Wears Off	2.90	0.046	0.09

ER, extended release

^a Patient-rated Likert scales of how often the side effect was experienced in the past two weeks

^b Answered only if on ADHD medications

^c The visit falling closest to 90 days after ER stimulant was prescribed