Psychometric properties of the nine-item avoidant/restrictive food intake disorder screen (NIAS) in Turkish children

Table 1 Descriptive statistics, adjusted ıtem-total correlation and Cronbach’s α value of NIAS

Dimension	Items	Mean	SD	Item Total Correlation	IIDCα	t-test	Cα
Picky eating	NIAS 1	2.89	1.54	0.55	0.79	− 17.49*	0.84
	NIAS 2	2.00	1.53	0.59	0.78	− 19.42*
	NIAS 3	1.85	1.62	0.60	0.78	− 20.35*
Appetite	NIAS 4	1.63	1.53	0.63	0.78	− 18.73*	0.81
	NIAS 5	2.11	1.60	0.57	0.79	− 20.01*
	NIAS 6	1.28	1.37	0.45	0.80	− 13.26*
Fear	NIAS 7	0.61	1.02	0.40	0.81	− 8.22*	0.87
	NIAS 8	0.70	1.07	0.41	0.81	− 8.53*
	NIAS 9	0.63	0.99	0.37	0.81	− 8.40*
Full scale							0.81

NIAS Nine Item Avoidant/Restrictive Food Intake Disorder Screen, SD Standard Deviation, IIDCα If Item Dropped Cronbach’s α; t-test t-test for Distinguishing Features of Items, Cα Cronbach’s α
t Test*p < 0.05

ISSN: 2050-2974