Nonresponse bias in a general population survey of eating-disordered behavior

Jonathan M. Mond*, Bryan Rodgers, Phillipa J. Hay, Cathy Owen, Pierre J V Beumont

*Corresponding author for this work

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Objective: To investigate nonresponse bias in a two-phase epidemiologic study of eating-disordered behavior. Method: Self-report questionnaires were delivered to a community sample of women aged 18-45 drawn from the electoral roll. Follow-up interviews were completed with a subgroup of respondents. Eating disorder psychopathology, general physical and mental health, and sociodemographic characteristics were compared among early (n = 259) and late (n = 71) respondents at the first phase of the study and among individuals with whom interviews were completed (n = 208) and individuals declining to be interviewed (n = 63) at the second phase. Results: With respect to levels of eating disorder psychopathology, and on all other measures, individuals who responded at the first phase of the study only after repeated reminders did not differ from those who responded to the initial mailout, and individuals who declined to be interviewed did not differ from individuals with whom interviews were completed. Conclusions: Nonresponse bias among individuals declining to be interviewed is unlikely to pose a problem in two-phase epidemiologic studies of eating disorders. Further research is needed to examine the characteristics of nonrespondents at the first phase of such studies.

Original languageEnglish
Pages (from-to)89-98
Number of pages10
JournalInternational Journal of Eating Disorders
Volume36
Issue number1
DOIs
Publication statusPublished - Jul 2004

Keywords

  • Eating disorders
  • Epidemiologic research
  • Nonresponse bias
  • Two-phase design

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