Evidence map›Paper›PMID 41654912›Full record

ArticleItalian journal of pediatrics2026

How do Italian adolescents see themselves? Body weight congruence and its determinants in the 2021/2022 HBSC study.

Silvia Ciardullo, Daniela Pierannunzio, Ilaria Bacigalupo, Silvia Andreozzi, Paola Dalmasso, Giacomo Lazzeri, Alessio Vieno, Paola Nardone

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Article in Italian journal of pediatrics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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4 · The record

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5 · Who and what money

Authors and funding

8 authors.

Silvia CiardulloNational Centre for Disease Prevention and Health Promotion, Italian National Institute of Health, Viale Regina Elena 299, 00161, Rome, Italy.
Daniela PierannunzioNational Centre for Disease Prevention and Health Promotion, Italian National Institute of Health, Viale Regina Elena 299, 00161, Rome, Italy.
Ilaria BacigalupoNational Centre for Disease Prevention and Health Promotion, Italian National Institute of Health, Viale Regina Elena 299, 00161, Rome, Italy.
Silvia AndreozziNational Centre for Disease Prevention and Health Promotion, Italian National Institute of Health, Viale Regina Elena 299, 00161, Rome, Italy.
Paola DalmassoDepartment of Public Health and Pediatrics, University of Torino, Torino, Italy.
Giacomo LazzeriDepartment of Molecular and Developmental Medicine, University of Siena, Siena, Italy.
Alessio VienoDepartment of Developmental Psychology and Socialization, University of Padova, Padova, Italy.
Paola NardoneNational Centre for Disease Prevention and Health Promotion, Italian National Institute of Health, Viale Regina Elena 299, 00161, Rome, Italy. paola.nardone@iss.it.

Funding

ISS: Istituto Superiore Di Sanita CNAP2025
6 · The paper itself

Abstract

backgroundBody weight self-perception refers to the level of agreement between an individual’s perceived and actual weight status. Body weight congruence (BWC) indicates the correct perception of one’s body weight compared with its actual value. Understanding the agreement between body mass index (BMI) and weight self-perception among adolescents might provide important information regarding health behaviours and psychosocial characteristics in this population. The aim of this study is to investigate the self-perception of body weight among Italian adolescents aged 11, 13, 15, and 17 years, and analyse its congruence with their BMI. Furthermore, it explores the association between BWC and selected socio-demographic and contextual factors.

methodsData from the Italian Health Behaviour in School-Aged Children (HBSC) survey were used. HBSC is the first Italian population-based survey on adolescent behaviours, representative at national and regional levels and involving students (aged 11, 13, 15 and 17-year-olds have also been included) recruited from school classes throughout all Italian regions. The school class was the primary sampling unit, drawn by a stratified systematic cluster sampling from the list of all public and private schools.

resultsIn 2022 the Italian HBSC involving 89,321 adolescents. 63.8% of the population correctly perceived their body weight in relation to their BMI category. Overestimation of body weight was more frequent among girls than boys (26.3% vs. 9.3%); in contrast, boys were more likely to underestimate their weight (26.0% vs. 10.7%). Overestimation climbed from 11 to 17 years, whereas underestimation decreased with age. The risk of weight overestimation and underestimation was associated with adolescents’ health perception; a greater risk was observed among adolescents who considered their health as poor.

conclusionsOverall, our findings corroborate existing literature: body weight misperception decreases with increasing age, girls tend to overestimate their weight, and boys tend to underestimate it. Sex differences represent an important aspect to consider when designing sex-specific interventions in public health.

Indexed as

Adolescent BehaviorBody ImageBody WeightSelf ConceptAdolescentBody Mass IndexChildFemaleHealth BehaviorHealth SurveysHumansItalyMaleAdolescenceBody mass indexBody weight congruenceBody weight perception

Identifiers

PMID41654912
PMCPMC12977435

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.