Eating Disorder Quality of Life Scale (EDQLS) in ethnically diverse college women: an exploratory factor analysis

Table 1 Item analysis to improve internal consistency

Item	Corrected item-total correlation	Cronbach’s alpha if item deleted	Correlation with EDEQ total score	Loading on 1st principal component
1	.39	.92	−.07^*	−.44
2	.40	.92	−.21^**	.51
3	.26	.92	−.03	−.33
4	.27	.92	−.17^**	.41
5	.24	.92	−.32^**	−.45
6	.41	.92	−.29^**	.53
7	.29	.92	−.16^**	−.46
8	.29	.92	−.38^**	.33
9	.32	.92	−.22^**	−.44
10	.45	.92	−.09^**	−.48
11	.35	.92	−.17^**	−.47
12	.25	.92	−.20^**	.22
13	.53	.92	−.39^**	−.63
14	.37	.92	−.24^**	−.52
15	.42	.92	−.51^**	.57
16	.37	.92	−.35^**	.53
17	.51	.92	−.39^**	.70
18	.45	.92	−.62^**	.53
19	.26	.92	−.24^**	.43
20	.26	.92	−.11^**	−.31
21	.51	.92	−.21^**	−.56
22	.44	.92	−.21^**	.56
23	.42	.92	−.45^**	.57
24	.14	.92	−.01	−.21
25	.51	.92	−.65^**	.52
26	.57	.92	−.28^**	−.63
27	.46	.92	−.15^**	−.45
28	.39	.92	−.18^**	−.51
29	.50	.92	−.37^**	.50
30	.61	.92	−.47^**	.72
31	.56	.92	−.63^**	.63
32	.17	.92	−.08^*	−.27
33	.26	.92	−.36^**	−.47
34	.43	.92	−.36^**	.45
35	.53	.92	−.42^**	.60
36	.36	.92	−.18^**	−.51
37	.59	.92	−.39^**	.71
38	.58	.92	−.68^**	.61
39	.58	.92	−.51^**	.61
40	.45	.92	−.24^**	.48

Coefficient alpha for the 40-item test is .93. Coefficient alpha for the first principal component is .94. Item stems are not shown, per copyright restrictions
^* p < .05, ^** p < .01

ISSN: 1477-7525