Cited by 243Eating Disorders and BehaviorsNutrition, Health and Food BehaviorChild Nutrition and Feeding Issues

Time Trends in Age at Onset of Anorexia Nervosa and Bulimia Nervosa

Favaro, Angela, Caregaro, Lorenza, Tenconi, Elena, Bosello, Romina, Santonastaso, Paolo·2009·The Journal of Clinical Psychiatry

Abstract

Article Abstract Objective: This study aims to explore the time trends in age at onset of anorexia nervosa and bulimia nervosa. Method: The sample was composed of 1,666 anorexia nervosa subjects and 793 bulimia nervosa subjects (according to DSM-IV criteria) without previous anorexia nervosa consecutively referred to our outpatient unit in the period between 1985 and 2008. Time trends in illness onset were analyzed according to the year of birth of subjects. Results: In both anorexia nervosa and bulimia nervosa, age at onset showed a significant decrease according to year of birth. A regression model showed a significant independent effect of socioeconomic status, age at menarche, and number of siblings in predicting age at onset lower than 16 years. Conclusion: Age at onset of anorexia nervosa and bulimia nervosa is decreasing in younger generations. The implications of our findings in terms of long-term outcome remain to be understood. Biologic and sociocultural factors explaining this phenomenon need to be explored in future studies. Submitted: February 28, 2009; accepted March 25, 2009. Corresponding author: Paolo Santonastaso, MD, Clinica Psichiatrica, Dipartimento di Neuroscienze via Giustiniani 3, 35128 Padova, Italy (paolo.santonastaso@unipd.it).

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Crossref · 10.4088/jcp.09m05176blu

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Authors
Favaro, A., Caregaro, L., Tenconi, E., Bosello, R., & Santonastaso, P.
Affiliations
University of Padua (IT)
Corresponding author
Santonastaso, Paolo
Venue
The Journal of Clinical Psychiatry
Published
2009-12-15
Volume
70
Issue
12
Pages
1715-1721
ISSN
0160-6689 (ISSN-L)
OpenAlex
W2056344892
Cited by
243
References
0
Citations by year
2026: 7 · 2025: 10 · 2024: 14 · 2023: 18 · 2022: 8 · 2021: 21 · 2020: 12 · 2019: 17 · 2018: 21 · 2017: 16 · 2016: 14 · 2015: 20 · 2014: 19 · 2013: 20 · 2012: 11
FWCI
9.22
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Clinical Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
  • Padua Research Archive (University of Padova) (submittedVersion)
Topics
  • Social Sciences › Psychology › Clinical Psychology › Eating Disorders and Behaviors
  • Health Sciences › Nursing › Nutrition and Dietetics › Nutrition, Health and Food Behavior
  • Health Sciences › Medicine › Psychiatry and Mental health › Child Nutrition and Feeding Issues
Keywords
anorexia nervosa, bulimia nervosa, age of onset, temporal trends, age at menarche, socioeconomic status, number of siblings, eating disorders
MeSH terms
Adolescent, Adult, Age Factors, Aged, Ambulatory Care, Anorexia Nervosa, Child, Female, Gestational Age, Humans, Male, Menarche, Middle Aged, Personality Inventory, Pregnancy, Psychiatric Status Rating Scales, Risk Factors, Sex Factors, Outcome Assessment, Health Care, Age of Onset, Age Distribution, Diagnostic and Statistical Manual of Mental Disorders, Bulimia Nervosa

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