Table 1 Mean internal consistency estimates for the eating disorders inventory (EDI)
From: Measuring eating disorder attitudes and behaviors: a reliability generalization study
| Â | Â | Reliability | ||||
|---|---|---|---|---|---|---|
Study characteristics | # of data points K | Total sample size N | Sample-weighted mean alpha (SD) | 95% CI | PVASE | |
EDI total | Â | 6 | 3269 | .91 (.06) | .86 - .95 | 1.65% |
 Gender: | Female | 6 | 3269 | .91 (.06) | .86 - .95 | 1.65% |
 Age: | Adult | 4 | 995 | .85 (.08) | .77 - .93 | 4.35% |
| Â | Adolescent | 2 | 1137 | .93 (<.01) | .93 - .93 | 100.00% |
 Type of sample: | Nonclinical | 4 | 2989 | .90 (.06) | .84 - .96 | 1.24% |
| Â | Clinical: Eating disorder | 2 | 280 | .95 (.01) | .93 - .96 | 99.32% |
 Test language: | English | 4 | 995 | .85 (.08) | .77 - .93 | 4.35% |
| Â | Non-English | 2 | 2274 | .93 (<.01) | .93 - .93 | 100.00% |
EDI body dissatisfaction subscale | 55 | 22120 | .89 (.04) | .88 - .90 | 6.51% | |
 Gender: | Female | 44 | 17240 | .90 (.03) | .89 - .91 | 9.82% |
| Â | Male | 5 | 2443 | .81 (.03) | .79 - .84 | 26.56% |
| Â | Mixed gender | 6 | 2437 | .90 (.03) | .88 - .92 | 11.02% |
 Age: | Adult | 35 | 8311 | .91 (.03) | .90 - .92 | 17.16% |
| Â | Adolescent | 20 | 13809 | .88 (.04) | .86 - .90 | 3.92% |
 Type of Sample: | Nonclinical | 43 | 19844 | .89 (.04) | .87 - .90 | 5.63% |
| Â | Clinical: Eating Disorder | 11 | 2156 | .90 (.03) | .89 - .92 | 19.05% |
 Test Language: | English | 42 | 13557 | .89 (.03) | .88 - .90 | 10.70% |
| Â | Non-English | 13 | 8563 | .88 (.05) | .85 - .91 | 3.17% |
EDI drive for thinness subscale | 49 | 22335 | .85 (.05) | .83 - .86 | 6.24% | |
 Gender: | Female | 37 | 15831 | .84 (.05) | .83 - .86 | 6.56% |
| Â | Male | 4 | 2277 | .79 (.03) | .77 - .82 | 37.17% |
| Â | Mixed gender | 8 | 4227 | .89 (.02) | .87 - .90 | 27.54% |
 Age: | Adult | 32 | 7784 | .86 (.04) | .85 - .88 | 15.07% |
| Â | Adolescent | 17 | 14551 | .84 (.06) | .81 - .86 | 3.29% |
 Type of sample: | Nonclinical | 36 | 19788 | .85 (.05) | .83 - .87 | 4.78% |
| Â | Clinical: Eating disorder | 12 | 2427 | .83 (.04) | .80 - .85 | 37.93% |
 Test language: | English | 37 | 13943 | .86 (.05) | .84 - .87 | 8.58% |
| Â | Non-English | 12 | 8392 | .83 (.06) | .80 - .86 | 4.17% |
 EDI bulimia subscale | 47 | 21875 | .75 (.07) | .73 - .77 | 9.47% | |
 Gender: | Female | 37 | 15905 | .77 (.07) | .74 - .79 | 9.18% |
| Â | Male | 3 | 2081 | .67 (.02) | .65 - .69 | 100.00% |
| Â | Mixed gender | 7 | 3889 | .74 (.04) | .71 - .77 | 20.89% |
 Age: | Adult | 31 | 7437 | .81 (.07) | .79 - .83 | 11.55% |
| Â | Adolescent | 16 | 14438 | .72 (.04) | .70 - .74 | 14.17% |
 Type of sample: | Nonclinical | 35 | 19861 | .74 (.06) | .72 - .76 | 9.98% |
| Â | Clinical: Eating disorder | 11 | 1894 | .84 (.07) | .79 - .88 | 10.76% |
 Test language: | English | 35 | 13483 | .76 (.07) | .74 - .78 | 10.71% |
| Â | Non-English | 12 | 8392 | .74 (.06) | .70 - .77 | 7.57% |