RT Journal Article T1 Influence of body mass index on health complains and life satisfaction A1 Prieto-Latorre, Claudia A1 López-Agudo, Luis Alejandro A1 Marcenaro-Gutiérrez, Óscar David K1 Adolescentes - Estadísticas - España K1 Econometría K1 Metabolismo - Alteraciones K1 Calidad de vida K1 Indicadores sociales K1 Acoso moral en la escuela AB Purpose This research work investigates the influence of children’s weight status on well-being and school context in asample of Spanish adolescences.Methods The Spanish records from the 2013–14 Health Behaviour in School-Aged Children Survey are used, which gathers9,565 adolescences aged 11, 13 and 15. Studies do not usually address the endogeneity of body mass index when analys-ing their effect on life satisfaction and health complaints, thus resulting in biased estimates. Considering the endogeneityof body mass index, we use the frequency of alcohol consumption as an instrumental variable in order to obtain consistentestimates of its influence.Results The two-stage least squares estimation shows that children’s body mass index has a significant negative influenceon health complaints and it conditions the way children relate to each other at school. Likewise, results report significantinfluence on children’s subjective well-being and their self-assessment of general health.Conclusions The results of this study provide compelling evidence that BMI plays a crucial role in shaping adolescents’well-being and their interactions with peers at school. These findings underscore the importance of addressing childhoodoverweight and promoting healthy body mass index levels. Furthermore, the study highlights the need for targeted policyinterventions to combat the social stigma associated with being overweight, fostering a more inclusive and supportive schoolenvironment for all students. PB Springer Nature YR 2023 FD 2023-12-01 LK https://hdl.handle.net/10630/28847 UL https://hdl.handle.net/10630/28847 LA eng NO Prieto-Latorre, C., Lopez-Agudo, L.A. & Marcenaro-Gutierrez, O.D. Influence of body mass index on health complains and life satisfaction. Qual Life Res (2023). https://doi.org/10.1007/s11136-023-03557-0 NO Funding for open Access charge: Universidad de Málaga / CBUA. This study was funded by Ministerio de Ciencia e Innovación (under Research Project PID2020-119471RB-I00), Junta de Andalucía (under Research Project SEJ-645), Fundación Ramón Areces (under Research Project B1-2022_23). DS RIUMA. Repositorio Institucional de la Universidad de Málaga RD 26 ene 2026