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Questionnaire of Eating and Weight Patterns (QEWP)

Brief Description:
• Spitzer, Devlin, Walsh, Hasin, Wing, Marcus, Stunkard, Wadden, Yanovski, Agras, Mitchell, & Nonas (1992)
• Assesses binge eating disorder (BED)
• DSM conceptualization
• 7 categories: binge eating, binge eating disorder, binge eating syndrome, binge eating syndrome and distress, episodic overeating, possible bulimia, and no diagnosis.

Versions:
• English
• Portuguese
• Spanish

Type of Measure:
• Self-completed
• 8 items
• Multiple response format (Multiple Choice, Yes/No)

Target Population:
• Adults (QEWP-R)
• Adolescents (QEWP-A)
• Parent version (QWQP-P)

Scoring:
• Summed total

Psychometrics:
Source reference: Nangle, Johnson, Carr-Nangle, & Engler (1994): 52 self-referred binge eaters and 52 comparison participants age 19 to 75; Used the original QEWP
• Reliability: Test-retest after 3 weeks with 39 self-referred and 40 comparison participants (kappa = 0.58).
• Validity: Probability of binge eating for the BED participants at one week and three weeks correlated (r = 0.70); One week: sensitivity = 71%, specificity = 69%, predictive efficiency value = 71%, Three weeks: sensitivity = 82%, specificity = 63%, predictive efficiency value = 74%.

 

Steinberg, Tanofsky-Kraff, Cohen, Elberg, Freedman, Semega-Janneh, Yanovski, & Yanovski (2004): 142 overweight and 121 normal weight children ages 6 to 12 from Maryland, U.S.A. schools
• Validity: Positive predictive values of the QEWP-P for identification of episodes by the QEWP-A were: no episode (0.69), overeating (0.18), and binge eating (0.10).
• Parent and child reports correlated for “feeling badly after eating more food than was best for them” (r = 0.26), and for “whether body weight and shape were important in how they feel about themselves (r = 0.19). Correlation between the two measures was minimal.

Utility for Prevalence Surveys:
• Untested but potentially good

Research Applicability:
• Good

Copyright, Cost, and Source Issues:
• Public domain (no cost)

• Available in source reference

Source Reference:
Nangle, D. W., Johnson, W. G., Carr-Nangle, R. E., & Engler, L. B. (1994). Binge eating disorder and the proposed DSM-IV criteria: Psychometric analysis of the Questionnaire of Eating and Weight Patterns. International Journal of Eating Disorders, 16(2), 147-157.

Supporting Reference:
Steinberg, E., Tanofsky-Kraff, M., Cohen, M. L., Elberg, J., Freedman, R. J., Semega-Janneh, M., Yanovski, S. Z., & Yanovski, J. A. (2004). Comparison of the child and parent forms of the Questionnaire on Eating and Weight Patterns in the assessment of children’s eating-disordered behaviors. International Journal of Eating Disorders, 36(2), 183-194.

Original Reference:
Spitzer, R. L., Devlin, M., Walsh, B. T., Hasin, D., Wing, R., Marcus, M., Stunkard, A., Wadden, T., Yanovski, S., Agras, S., Mitchell, J., & Nonas, C. (1992). Binge eating disorder: A multi-site field trial of the diagnostic criteria. International Journal of Eating Disorders, 11, 191-203.

Strengths:
• Widely used
• Adult and adolescent versions
• Brief

Weaknesses:
• Limited psychometric evaluation of cut-scores
• Focuses only on binge eating disorder