. Author manuscript; available in PMC: 2021 Jul 1.

Published in final edited form as: Am J Med Genet A. 2020 Apr 28;182(7):1655–1663. doi: 10.1002/ajmg.a.61606

Table 3.

Correlations between eye gaze measures for food items and IQ (KBIT), nutritional phase, hyperphagia questionnaire (HQCT) scores, and BMI in the combined PWS sample (controlling for the genetic subtype) and for each genetic subtype.

	All PWS (controlling for subtype)				Deletion only				mUPD only
	KBIT	NutPhase	HQCT	BMI	KBIT	NutPhase	HQCT	BMI	KBIT	NutPhase	HQCT	BMI
KBIT		−0.150	−.219	−.089		−.097	−.151	.090		−0.311	−0.359	−.611^**
Nutritional Phase			.777^**	.441^**			.816^**	.422^*			.637^**	.502^*
HQCT				.402^**				.393^*				.465^*
FA_ number	−.011	.364^**	.231	−.005	−.183	.308^*	.316^*	.068	.489^*	.293	−.006	−.280
FA_ fix_dur	.010	.320^*	.198	0.160	−.136	.471^**	.276	.353^*	.259	−.147	.082	−.370
FA_ returns	−.066	.366^**	.213	.0290	−.230	.360^*	.322^*	.108	.318	.236	−.029	−.203
FO_ number	.187	.256^*	.125	.182	.292^*	.181	.201	.213	−.075	.477^*	.016	.163
FO_ fix_dur	.202	.280^*	.157	.184	.274	.279	.259	.300^*	.089	.165	−.018	−.082
FO_ returns	.208	.353^**	.163	.194	.269	.287^*	.230	.247	.049	.528^*	.039	.096

p<.05,

^**

p<.01

FA – Food-Animal arrays, FO – Food-Object arrays, PWS – Prader-Willi syndrome, TD – typical development

Number – number of items fixated, fix_dur – fixation duration, returns – number of gaze returns to the same item