When eating healthy is not healthy: orthorexia nervosa and its measurement with the ORTO-15 in Hungary

BMC Psychiatry

Table 1 Results of the item analysis of ORTO-15 in our sample

	Mean	Standard deviation	Original, 15-item version			Final, 11-item version
	Mean	Standard deviation	Corrected item-total correlation	Cronbach’s alpha if item deleted	Standardized factor loadings in Model 2	Corrected item-total correlation	Cronbach’s alpha if item deleted	Standardized factor loadings in Model 4
Item 1	2.09	0.94	0.47	0.76	0.48	0.43	0.81	0.46
Item 2	1.29	0.63	0.46	0.77	0.63	0.53	0.80	0.64
Item 3	1.76	0.94	0.57	0.75	0.80	0.65	0.79	0.82
Item 4	2.08	0.88	0.49	0.76	0.46	0.44	0.81	0.44
Item 5 (reversed)	2.71	0.81	0.11	0.79	0.04	–	–	–
Item 6	2.81	0.73	0.22	0.78	0.08	–	–	–
Item 7	1.42	0.82	0.51	0.76	0.71	0.58	0.80	0.73
Item 8 (reversed)	2.33	0.66	0.18	0.78	-0.07	–	–	–
Item 9	2.73	0.86	0.32	0.77	0.46	0.40	0.81	0.46
Item 10	2.24	0.92	0.52	0.76	0.43	0.48	0.81	0.38
Item 11	2.31	0.94	0.45	0.76	0.39	0.43	0.81	0.33
Item 12	2.96	0.83	0.45	0.76	0.37	0.42	0.81	0.31
Item 13	2.06	0.97	0.60	0.75	0.77	0.66	0.79	0.76
Item 14	3.11	0.82	0.10	0.79	0.07	–	–	–
Item 15	2.32	0.62	0.30	0.78	0.37	0.33	0.82	0.38

ISSN: 1471-244X