Purpose The aim was to examine duration of illness and body mass index as possible moderators of the relationship between eating disorder severity and functional impairment, as well as psychological distress as a possible mediator of this relationship. Methods The study included 159 patients diagnosed with bulimia nervosa, binge eating disorder or eating disorder not otherwise specified. Regression analysis was applied to assess the effect of the hypothesized moderators and mediators. Eating disorder severity was measured with the Eating Disorder Examination Questionnaire, functional impairment was measured with the Sheehan Disability Scale, and psychological distress was measured with the Symptom Check List-90-R. Duration of illness and body mass index were assessed clinically. Results Duration of illness significantly moderated the relationship between eating disorder severity and functional impairment; the relationship was strongest for patients with a shorter duration of illness. Psychological distress partly mediated the relationship between eating disorder severity and functional impairment. Duration of illness significantly moderated the relationship between psychological distress and functional impairment; the strongest relationship was seen for patients with a shorter duration of illness. Body mass index was not a significant moderator of the relationship between ED severity and functional impairment. Conclusions Overall, this study established a link between ED severity, psychological distress and functional impairment indicating that both eating disorder severity and psychological distress are more strongly related to impaired role functioning for patients with more recent onset of an eating disorder. More research in the complex relationship between ED severity and functional impairment is needed.
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Univ Milan, Dipartimento Fisiopatol Med Chirurg & Trapianti, Dipartimento Salute Mentale, Fdn IRCCS Ca Granda,Osped Maggiore Policlin, I-20122 Milan, ItalyUniv Milan, Dipartimento Fisiopatol Med Chirurg & Trapianti, Dipartimento Salute Mentale, Fdn IRCCS Ca Granda,Osped Maggiore Policlin, I-20122 Milan, Italy
Oldani, Lucio
Spagnolin, Gregorio
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Univ Milan, Dipartimento Fisiopatol Med Chirurg & Trapianti, Dipartimento Salute Mentale, Fdn IRCCS Ca Granda,Osped Maggiore Policlin, I-20122 Milan, ItalyUniv Milan, Dipartimento Fisiopatol Med Chirurg & Trapianti, Dipartimento Salute Mentale, Fdn IRCCS Ca Granda,Osped Maggiore Policlin, I-20122 Milan, Italy
Spagnolin, Gregorio
Altamura, A. Carlo
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Univ Milan, Dipartimento Fisiopatol Med Chirurg & Trapianti, Dipartimento Salute Mentale, Fdn IRCCS Ca Granda,Osped Maggiore Policlin, I-20122 Milan, ItalyUniv Milan, Dipartimento Fisiopatol Med Chirurg & Trapianti, Dipartimento Salute Mentale, Fdn IRCCS Ca Granda,Osped Maggiore Policlin, I-20122 Milan, Italy
机构:
IRCCS Fdn Ca Granda Osped Maggiore Policlin, Dept Mental Hlth, Milan, ItalyIRCCS Fdn Ca Granda Osped Maggiore Policlin, Dept Mental Hlth, Milan, Italy
Dell'Osso, B.
Benatti, B.
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IRCCS Fdn Ca Granda Osped Maggiore Policlin, Dept Mental Hlth, Milan, ItalyIRCCS Fdn Ca Granda Osped Maggiore Policlin, Dept Mental Hlth, Milan, Italy
Benatti, B.
Arici, C.
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IRCCS Fdn Ca Granda Osped Maggiore Policlin, Dept Mental Hlth, Milan, ItalyIRCCS Fdn Ca Granda Osped Maggiore Policlin, Dept Mental Hlth, Milan, Italy
Arici, C.
Spagnolin, G.
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IRCCS Fdn Ca Granda Osped Maggiore Policlin, Dept Mental Hlth, Milan, ItalyIRCCS Fdn Ca Granda Osped Maggiore Policlin, Dept Mental Hlth, Milan, Italy
Spagnolin, G.
Suardi, N.
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IRCCS Fdn Ca Granda Osped Maggiore Policlin, Dept Mental Hlth, Milan, ItalyIRCCS Fdn Ca Granda Osped Maggiore Policlin, Dept Mental Hlth, Milan, Italy
Suardi, N.
Altamura, A. C.
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IRCCS Fdn Ca Granda Osped Maggiore Policlin, Dept Mental Hlth, Milan, ItalyIRCCS Fdn Ca Granda Osped Maggiore Policlin, Dept Mental Hlth, Milan, Italy
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SCMCI, E Richard Feinberg Dept Child & Adolescent Psychia, Matta & Harry Freund Neuropsychiat Clin Tourette S, Petah Tiqwa, IsraelSCMCI, E Richard Feinberg Dept Child & Adolescent Psychia, Matta & Harry Freund Neuropsychiat Clin Tourette S, Petah Tiqwa, Israel
Sadeh, Dana Feldman
Frenk, Mira Levis
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SCMCI, E Richard Feinberg Dept Child & Adolescent Psychia, Matta & Harry Freund Neuropsychiat Clin Tourette S, Petah Tiqwa, IsraelSCMCI, E Richard Feinberg Dept Child & Adolescent Psychia, Matta & Harry Freund Neuropsychiat Clin Tourette S, Petah Tiqwa, Israel
Frenk, Mira Levis
Simha, Tomer
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SCMCI, E Richard Feinberg Dept Child & Adolescent Psychia, Matta & Harry Freund Neuropsychiat Clin Tourette S, Petah Tiqwa, IsraelSCMCI, E Richard Feinberg Dept Child & Adolescent Psychia, Matta & Harry Freund Neuropsychiat Clin Tourette S, Petah Tiqwa, Israel
Simha, Tomer
Horesh, Danny
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Bar Ilan Univ, Fac Social Sci, Dept Psychol, Ramat Gan, Israel
New York Univ, Dept Psychiat, Sch Med, New York, NY USASCMCI, E Richard Feinberg Dept Child & Adolescent Psychia, Matta & Harry Freund Neuropsychiat Clin Tourette S, Petah Tiqwa, Israel
Horesh, Danny
Steinberg, Tamar
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SCMCI, E Richard Feinberg Dept Child & Adolescent Psychia, Matta & Harry Freund Neuropsychiat Clin Tourette S, Petah Tiqwa, Israel
Tel Aviv Univ, Sackler Fac Med, Tel Aviv, IsraelSCMCI, E Richard Feinberg Dept Child & Adolescent Psychia, Matta & Harry Freund Neuropsychiat Clin Tourette S, Petah Tiqwa, Israel
Steinberg, Tamar
Geva, Nofar
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SCMCI, E Richard Feinberg Dept Child & Adolescent Psychia, Matta & Harry Freund Neuropsychiat Clin Tourette S, Petah Tiqwa, IsraelSCMCI, E Richard Feinberg Dept Child & Adolescent Psychia, Matta & Harry Freund Neuropsychiat Clin Tourette S, Petah Tiqwa, Israel
Geva, Nofar
Nahon, Matan
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Bar Ilan Univ, Fac Social Sci, Dept Psychol, Ramat Gan, IsraelSCMCI, E Richard Feinberg Dept Child & Adolescent Psychia, Matta & Harry Freund Neuropsychiat Clin Tourette S, Petah Tiqwa, Israel
Nahon, Matan
Dietrich, Andrea
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Univ Groningen, Univ Med Ctr Groningen, Dept Child & Adolescent Psychiat, Groningen, NetherlandsSCMCI, E Richard Feinberg Dept Child & Adolescent Psychia, Matta & Harry Freund Neuropsychiat Clin Tourette S, Petah Tiqwa, Israel
Dietrich, Andrea
Hoekstra, Pieter J.
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Univ Groningen, Univ Med Ctr Groningen, Dept Child & Adolescent Psychiat, Groningen, NetherlandsSCMCI, E Richard Feinberg Dept Child & Adolescent Psychia, Matta & Harry Freund Neuropsychiat Clin Tourette S, Petah Tiqwa, Israel
Hoekstra, Pieter J.
Ruhrman, Daphna
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SCMCI, E Richard Feinberg Dept Child & Adolescent Psychia, Matta & Harry Freund Neuropsychiat Clin Tourette S, Petah Tiqwa, Israel
Interdisciplinary Ctr, Baruch Ivcher Sch Psychol, Herzliyya, IsraelSCMCI, E Richard Feinberg Dept Child & Adolescent Psychia, Matta & Harry Freund Neuropsychiat Clin Tourette S, Petah Tiqwa, Israel
Ruhrman, Daphna
Apter, Alan
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SCMCI, E Richard Feinberg Dept Child & Adolescent Psychia, Matta & Harry Freund Neuropsychiat Clin Tourette S, Petah Tiqwa, Israel
Tel Aviv Univ, Sackler Fac Med, Tel Aviv, IsraelSCMCI, E Richard Feinberg Dept Child & Adolescent Psychia, Matta & Harry Freund Neuropsychiat Clin Tourette S, Petah Tiqwa, Israel
Apter, Alan
Fennig, Silvana
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SCMCI, E Richard Feinberg Dept Child & Adolescent Psychia, Matta & Harry Freund Neuropsychiat Clin Tourette S, Petah Tiqwa, Israel
Tel Aviv Univ, Sackler Fac Med, Tel Aviv, IsraelSCMCI, E Richard Feinberg Dept Child & Adolescent Psychia, Matta & Harry Freund Neuropsychiat Clin Tourette S, Petah Tiqwa, Israel
Fennig, Silvana
Benaroya-Milshtein, Noa
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SCMCI, E Richard Feinberg Dept Child & Adolescent Psychia, Matta & Harry Freund Neuropsychiat Clin Tourette S, Petah Tiqwa, Israel
Tel Aviv Univ, Sackler Fac Med, Tel Aviv, Israel
Schneider Childrens Med Israel, Matta & Harry Freund Neuropsychiat Tourette Clin, 14 Kaplan St, IL-49202 Petah Tiqwa, IsraelSCMCI, E Richard Feinberg Dept Child & Adolescent Psychia, Matta & Harry Freund Neuropsychiat Clin Tourette S, Petah Tiqwa, Israel