Comparison of scenarios in the trajectory of body mass index among adolescents monitored in primary health care: the VigiNUTRI Brazil study

Abstract We compared the BMI-for-age (BMI/A) trajectory of Brazilian adolescents monitored in the primary health care (PHC) setting based on a simulated scenario. We used a real-life cohort of adolescents monitored by the Food and Nutrition Surveillance System (Sisvan) between 2008 and 2018. The LMS...

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Main Authors: Rafaella Lemos Alves, Natacha Toral, Vitor Paravidino, Vivian S. S. Gonçalves
Format: Article
Language:English
Published: Nature Portfolio 2025-01-01
Series:Scientific Reports
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Online Access:https://doi.org/10.1038/s41598-025-86138-0
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author Rafaella Lemos Alves
Natacha Toral
Vitor Paravidino
Vivian S. S. Gonçalves
author_facet Rafaella Lemos Alves
Natacha Toral
Vitor Paravidino
Vivian S. S. Gonçalves
author_sort Rafaella Lemos Alves
collection DOAJ
description Abstract We compared the BMI-for-age (BMI/A) trajectory of Brazilian adolescents monitored in the primary health care (PHC) setting based on a simulated scenario. We used a real-life cohort of adolescents monitored by the Food and Nutrition Surveillance System (Sisvan) between 2008 and 2018. The LMS method was employed to estimate the simulated BMI/A evolution curve, assuming that the adolescents maintained the conditions observed during their first assessment (simulation curve). This curve was compared with that of the real-world cohort (Sisvan curve). Both curves were compared to the World Health Organization (WHO) reference cutoff. The difference in the BMI/A trajectory between the two curves was evaluated using linear mixed-effects models. When the participants started adolescence, their BMI/A was above the reference range. The Sisvan curve revealed that girls had a BMI/A that was higher than the simulated value at age 19 (p < 0.001) and that exceeded the WHO reference cutoff value; this finding was particularly pronounced in the southern region (Sisvan: 23.89 kg/m2; simulation: 23.57 kg/m2; WHO: 21.4 kg/m2). The BMI of boys decreased after age 13 (p < 0.001) but remained higher than the reference value. Monitoring nutritional status in the PHC setting may have been more effective at controlling excess weight in boys, emphasizing the importance of improving care.
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spelling doaj-art-e380de7769614398af7f2a6796825d082025-02-02T12:21:09ZengNature PortfolioScientific Reports2045-23222025-01-0115111110.1038/s41598-025-86138-0Comparison of scenarios in the trajectory of body mass index among adolescents monitored in primary health care: the VigiNUTRI Brazil studyRafaella Lemos Alves0Natacha Toral1Vitor Paravidino2Vivian S. S. Gonçalves3Faculty of Health Sciences, Graduate Program in Human Nutrition, University of BrasiliaFaculty of Health Sciences, Graduate Program in Human Nutrition, University of BrasiliaNational School of Public Health, Oswaldo Cruz FoundationFaculty of Health Sciences, Graduate Program in Public Health, University of BrasiliaAbstract We compared the BMI-for-age (BMI/A) trajectory of Brazilian adolescents monitored in the primary health care (PHC) setting based on a simulated scenario. We used a real-life cohort of adolescents monitored by the Food and Nutrition Surveillance System (Sisvan) between 2008 and 2018. The LMS method was employed to estimate the simulated BMI/A evolution curve, assuming that the adolescents maintained the conditions observed during their first assessment (simulation curve). This curve was compared with that of the real-world cohort (Sisvan curve). Both curves were compared to the World Health Organization (WHO) reference cutoff. The difference in the BMI/A trajectory between the two curves was evaluated using linear mixed-effects models. When the participants started adolescence, their BMI/A was above the reference range. The Sisvan curve revealed that girls had a BMI/A that was higher than the simulated value at age 19 (p < 0.001) and that exceeded the WHO reference cutoff value; this finding was particularly pronounced in the southern region (Sisvan: 23.89 kg/m2; simulation: 23.57 kg/m2; WHO: 21.4 kg/m2). The BMI of boys decreased after age 13 (p < 0.001) but remained higher than the reference value. Monitoring nutritional status in the PHC setting may have been more effective at controlling excess weight in boys, emphasizing the importance of improving care.https://doi.org/10.1038/s41598-025-86138-0Body weight trajectoryBody mass indexAdolescent nutritionPrimary health careHealth policy
spellingShingle Rafaella Lemos Alves
Natacha Toral
Vitor Paravidino
Vivian S. S. Gonçalves
Comparison of scenarios in the trajectory of body mass index among adolescents monitored in primary health care: the VigiNUTRI Brazil study
Scientific Reports
Body weight trajectory
Body mass index
Adolescent nutrition
Primary health care
Health policy
title Comparison of scenarios in the trajectory of body mass index among adolescents monitored in primary health care: the VigiNUTRI Brazil study
title_full Comparison of scenarios in the trajectory of body mass index among adolescents monitored in primary health care: the VigiNUTRI Brazil study
title_fullStr Comparison of scenarios in the trajectory of body mass index among adolescents monitored in primary health care: the VigiNUTRI Brazil study
title_full_unstemmed Comparison of scenarios in the trajectory of body mass index among adolescents monitored in primary health care: the VigiNUTRI Brazil study
title_short Comparison of scenarios in the trajectory of body mass index among adolescents monitored in primary health care: the VigiNUTRI Brazil study
title_sort comparison of scenarios in the trajectory of body mass index among adolescents monitored in primary health care the viginutri brazil study
topic Body weight trajectory
Body mass index
Adolescent nutrition
Primary health care
Health policy
url https://doi.org/10.1038/s41598-025-86138-0
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