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Table 2 Mean internal consistency estimates for the eating attitudes test (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 alpha (SD)

95% CI

PVASE

EAT-40

15

3925

.81 (.09)

.77 - .86

5.89%

 Gender:

Female

10

1950

.86 (.04)

.84 - .89

19.54%

 

Male

2

492

.68 (.06)

.59 - .77

18.90%

 

Mixed gender

3

1483

.79 (.08)

.70 - .88

4.55%

 Age:

Adult

11

1855

.87 (.05)

.84 - .90

13.32%

 

Adolescent

4

2070

.76 (.08)

.68 - .84

5.07%

 Type of sample:

Nonclinical

12

3538

.80 (.08)

.75 - .85

6.45%

 

Clinical: Eating disorder

2

193

.90 (.05)

.83 - .97

16.45%

 Test language:

English

11

2833

.82 (.08)

.78 - .87

6.47%

 

Non-English

4

1092

.78 (.10)

.69 - .88

5.72%

EAT-26

54

11963

.86 (.05)

.84 - .87

11.50%

 Gender:

Female

42

9566

.85 (.05)

.83 - .87

11.06%

 

Male

4

488

.85 (.03)

.82 - .88

72.61%

 

Mixed gender

8

1909

.87 (.05)

.84 - .90

10.28%

 Age:

Adult

42

9049

.86 (.05)

.85 - .88

12.89%

 

Adolescent

11

2717

.85 (.05)

.82 - .88

11.94%

 Type of sample:

Nonclinical

48

11321

.85 (.05)

.84 - .87

11.08%

 

Clinical: Eating disorder

4

423

.90 (.02)

.89 - .92

100.00%

 

Mixed clinical and nonclinical

2

219

.88 (.05)

.81 - .95

20.57%

 Test language:

English

44

9077

.87 (.05)

.85 - .88

11.30%

 

Non-English

10

2886

.81 (.04)

.79 - .84

25.69%

EAT-26 dieting factor

24

10924

.80 (.07)

.77 - .83

5.50%

 Gender:

Female

22

10693

.80 (.07)

.77 - .83

5.06%

 

Male

2

231

.81 (.03)

.77 - .85

100.00%

 Age:

Adult

17

3870

.87 (.04)

.86 - .89

19.92%

 

Adolescent

7

7054

.77 (.05)

.72 - .81

5.74%

 Type of sample:

Nonclinical

22

10602

.80 (.07)

.77 - .83

5.27%

 Test language:

English

21

10150

.80 (.07)

.77 - .83

5.35%

 

Non-English

3

774

.86 (.04)

.81 - .90

17.23%

EAT-26 bulimia and food preoccupation factor

23

10751

.67 (.11)

.63 - .71

5.44%

 Gender:

Female

21

10520

.67 (.11)

.62 - .72

5.12%

 

Male

2

231

.71 (.11)

.56 - .87

17.26%

 Age:

Adult

17

3870

.79 (.07)

.75 - .82

10.99%

 

Adolescent

6

6881

.60 (.06)

.56 - .65

9.70%

 Type of sample:

Nonclinical

21

10429

.67 (.11)

.62 - .71

5.29%

 Test language:

English

20

9977

.67 (.11)

.62 - .72

4.92%

 

Non-English

3

774

.71 (.04)

.67 - .76

60.81%

EAT-26 oral control factor

18

4475

.56 (.10)

.51 - .60

21.02%

 Gender:

Female

16

4244

.56 (.10)

.51 - .61

19.03%

 

Male

2

231

.60 (.02)

.57 - .63

100.00%

 Age:

Adult

14

3065

.56 (.11)

.50 - .61

19.04%

 

Adolescent

4

1410

.57 (.06)

.51 - .63

34.67%

 Type of sample:

Nonclinical

16

4153

.55 (.08)

.51 - .59

27.63%

 Test language:

English

15

3701

.54 (.10)

.50 - .59

21.52%

 

Non-English

3

774

.63 (.04)

.59 - .67

100.00%

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