Table 7.

Known-group validity comparisons – Impacts of Hyperphagia: Caregiver (Observer and Self)

	Impacts of Hyperphagia: Caregiver (Observer)			Impacts of Hyperphagia: Caregiver (Self)
	Group Difference (95% CI)	P-Value	Cohen’s D	Group Difference (95% CI)	P-Value	Cohen’s D
Number of times wake up in the night due to uncontrollable hunger in past 7 days (< 5 vs. ≥ 5)	0.17 (0.02, 0.33)	0.061	0.41	0.18 (0.01, 0.35)	0.040*	0.40
Current use of appetite suppressant (Yes vs. No)	0.45 (0.32, 0.59)	< 0.001***	1.14	0.61 (0.47, 0.75)	< 0.001***	1.53
RIOFS: “Nobody understands the burden I carry” (Yes vs. No)	0.38 (0.23, 0.53)	< 0.001***	0.89	0.24 (0.08, 0.41)	0.002**	0.51
RIOFS: “Sometimes I feel like we live on a roller coaster” (Yes vs. No)	0.21 (0.05, 0.37)	0.012*	0.49	0.26 (0.09, 0.43)	0.004**	0.56
RIOFS: “It is hard to find a reliable person to take care of my child” (Yes vs. No)	0.23 (0.07, 0.38)	0.003**	0.54	0.27 (0.10, 0.44)	0.002**	0.58
PROMIS Global Health of Caregiver: Mental Health (Fair/poor vs. excellent/very good/good)	0.25 (0.05, 0.45)	0.011*	0.63	0.23 (0.01, 0.45)	0.039*	0.52

RIOFS, Revised Impact on Family Scale

*P < 0.05, **P < 0.01, ***P < 0.001