Prevalence of obesity in attention-deficit/hyperactivity disorder

Study protocol for a systematic review and meta-analysis

Samuele Cortese, Carlos Renato Moreira Maia, Luis Augusto Rohde, Carmen Morcillo-Peñalver, Stephen V. Faraone

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Introduction: An increasing number of clinical and epidemiological studies suggest a possible association between attention-deficit/hyperactivity disorder (ADHD) and obesity/overweight. However, overall evidence is mixed. Given the public health relevance of ADHD and obesity/overweight, understanding whether and to what extent they are associated is paramount to plan intervention and prevention strategies. We describe the protocol of a systematic review and meta-analysis aimed at assessing the prevalence of obesity/overweight in individuals with ADHD versus those without ADHD. Methods and analysis: We will include studies of any design (except case reports or case series) comparing the prevalence of obesity and/or overweight in children or adults with and without ADHD (or hyperkinetic disorder). We will search an extensive number of databases including PubMed, Ovid databases, Web of Knowledge and Thomson- Reuters databases, ERIC and CINAHL. No restrictions of language will be applied. We will also contact experts in the field for possible unpublished or in press data. Primary and additional outcomes will be the prevalence of obesity and overweight, respectively. We will combine ORs using random-effects models in STATA V.12.0. The quality of the study will be assessed primarily using the Newcastle-Ottawa Scale. Subgroup meta-analyses will be conducted according to participants' age (children vs adults) and study setting (clinical vs general population). We will explore the feasibility of conducting meta-regression analyses to assess the moderating effect of age, gender, socioeconomic status, study setting, geographic location of the study (low-income, middle-income countries vs high-income countries), definition of obesity, method to assess ADHD, psychiatric comorbidities and medication status. Ethics and dissemination: No ethical issues are foreseen. The results will be published in a peer-reviewed journal and presented at national and international conferences of psychiatry, psychology, obesity and paediatrics. Registration: PROSPERO-National Institute of Health Research (NIHR) Prospective Register of Systematic Reviews (CRD42013006410).

Original languageEnglish
Article numbere004541
JournalBMJ Open
Volume4
Issue number3
DOIs
Publication statusPublished - 2014

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Attention Deficit Disorder with Hyperactivity
Meta-Analysis
Obesity
Databases
Ethics
Psychiatry
Child Psychology
Geographic Locations
Pediatric Obesity
National Institutes of Health (U.S.)
PubMed
Social Class
Comorbidity
Epidemiologic Studies
Language
Public Health
Regression Analysis
Research
Population

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Prevalence of obesity in attention-deficit/hyperactivity disorder : Study protocol for a systematic review and meta-analysis. / Cortese, Samuele; Maia, Carlos Renato Moreira; Rohde, Luis Augusto; Morcillo-Peñalver, Carmen; Faraone, Stephen V.

In: BMJ Open, Vol. 4, No. 3, e004541, 2014.

Research output: Contribution to journalArticle

Cortese, Samuele ; Maia, Carlos Renato Moreira ; Rohde, Luis Augusto ; Morcillo-Peñalver, Carmen ; Faraone, Stephen V. / Prevalence of obesity in attention-deficit/hyperactivity disorder : Study protocol for a systematic review and meta-analysis. In: BMJ Open. 2014 ; Vol. 4, No. 3.
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