Table 1.
Mean internal consistency estimates for the eating disorders inventory (EDI)
| |
|
Reliability
|
||||
|---|---|---|---|---|---|---|
| Study characteristics | # of data points K | Total sample size N | Sample-weighted mean alpha (SD) | 95% CI | PVASE | |
|
EDI total |
|
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% |
| |
Adolescent |
2 |
1137 |
.93 (<.01) |
.93 - .93 |
100.00% |
| Type of sample: |
Nonclinical |
4 |
2989 |
.90 (.06) |
.84 - .96 |
1.24% |
| |
Clinical: Eating disorder |
2 |
280 |
.95 (.01) |
.93 - .96 |
99.32% |
| Test language: |
English |
4 |
995 |
.85 (.08) |
.77 - .93 |
4.35% |
| |
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% |
| |
Male |
5 |
2443 |
.81 (.03) |
.79 - .84 |
26.56% |
| |
Mixed gender |
6 |
2437 |
.90 (.03) |
.88 - .92 |
11.02% |
| Age: |
Adult |
35 |
8311 |
.91 (.03) |
.90 - .92 |
17.16% |
| |
Adolescent |
20 |
13809 |
.88 (.04) |
.86 - .90 |
3.92% |
| Type of Sample: |
Nonclinical |
43 |
19844 |
.89 (.04) |
.87 - .90 |
5.63% |
| |
Clinical: Eating Disorder |
11 |
2156 |
.90 (.03) |
.89 - .92 |
19.05% |
| Test Language: |
English |
42 |
13557 |
.89 (.03) |
.88 - .90 |
10.70% |
| |
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% |
| |
Male |
4 |
2277 |
.79 (.03) |
.77 - .82 |
37.17% |
| |
Mixed gender |
8 |
4227 |
.89 (.02) |
.87 - .90 |
27.54% |
| Age: |
Adult |
32 |
7784 |
.86 (.04) |
.85 - .88 |
15.07% |
| |
Adolescent |
17 |
14551 |
.84 (.06) |
.81 - .86 |
3.29% |
| Type of sample: |
Nonclinical |
36 |
19788 |
.85 (.05) |
.83 - .87 |
4.78% |
| |
Clinical: Eating disorder |
12 |
2427 |
.83 (.04) |
.80 - .85 |
37.93% |
| Test language: |
English |
37 |
13943 |
.86 (.05) |
.84 - .87 |
8.58% |
| |
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% |
| |
Male |
3 |
2081 |
.67 (.02) |
.65 - .69 |
100.00% |
| |
Mixed gender |
7 |
3889 |
.74 (.04) |
.71 - .77 |
20.89% |
| Age: |
Adult |
31 |
7437 |
.81 (.07) |
.79 - .83 |
11.55% |
| |
Adolescent |
16 |
14438 |
.72 (.04) |
.70 - .74 |
14.17% |
| Type of sample: |
Nonclinical |
35 |
19861 |
.74 (.06) |
.72 - .76 |
9.98% |
| |
Clinical: Eating disorder |
11 |
1894 |
.84 (.07) |
.79 - .88 |
10.76% |
| Test language: |
English |
35 |
13483 |
.76 (.07) |
.74 - .78 |
10.71% |
| Non-English | 12 | 8392 | .74 (.06) | .70 - .77 | 7.57% | |
Note. CI = Confidence Interval. PVASE = Percent of variance accounted for by sampling error.