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Table 3 Mean test-retest reliability estimates for the EDI and EAT

From: Measuring eating disorder attitudes and behaviors: a reliability generalization study

 

Reliability

Study characteristics

# of data points K

Total sample size N

Sample-weighted mean reliability (SD)

95nnnnn CI

PVASE

EDI total

2

471

.81 (.06)

.72 - .90

12.68%

EDI body dissatisfaction subscale

3

256

.77 (.14)

.62 - .92

10.66%

EDI drive for thinness subscale

4

715

.60 (.15)

.45 - .75

10.07%

EDI bulimia subscale

4

715

.64 (.12)

.53 - .76

14.12%

EAT-26

4

920

.87 (.02)

.85 - .88

100.00%

  1. Note. CI = Confidence Interval. PVASE = Percent of variance accounted for by sampling error.