Identification of depressive symptoms in adolescents using machine learning combining childhood and adolescence features

Abstract Background Depressive symptoms in adolescents can significantly affect their daily lives and pose risks to their future development. These symptoms may be linked to various factors experienced during both childhood and adolescence. Machine learning (ML) has attracted substantial attention i...

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Main Authors: Xinzhu Liu, Rui Cang, Zihe Zhang, Ping Li, Hui Wu, Wei Liu, Shu Li
Format: Article
Language:English
Published: BMC 2025-01-01
Series:BMC Public Health
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Online Access:https://doi.org/10.1186/s12889-025-21506-z
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author Xinzhu Liu
Rui Cang
Zihe Zhang
Ping Li
Hui Wu
Wei Liu
Shu Li
author_facet Xinzhu Liu
Rui Cang
Zihe Zhang
Ping Li
Hui Wu
Wei Liu
Shu Li
author_sort Xinzhu Liu
collection DOAJ
description Abstract Background Depressive symptoms in adolescents can significantly affect their daily lives and pose risks to their future development. These symptoms may be linked to various factors experienced during both childhood and adolescence. Machine learning (ML) has attracted substantial attention in the field of adolescent depression; however, studies establishing prediction models have primarily considered childhood or adolescent features separately, resulting in a lack of analyses that incorporate factors from both stages. Methods We collected 39 features related to childhood and adolescence. Using the maximum relevance-minimum redundancy method and four ML algorithms, we determined the optimal feature subset for identifying depressive symptoms and constructed child-adolescent models. Stepwise logistic regression and four ML methods were employed to create demographic and combined models, respectively. The performance of each model was evaluated using a test set, and SHapley Additive exPlanations (SHAP) were utilized to interpret the models’ prediction results. Results The proposed child-adolescent models exhibited superior performance on the test set than the demographic and combined models (AUC: 0.835–0.879 versus 0.530 and 0.840–0.876, respectively). The optimal feature subset included two childhood features (relationship quality with peers and parental absence) and four adolescence features (social trust, academic pressure, importance of the internet for entertainment, and positive parenting behaviour). These features were found to be more effective than demographic characteristics in distinguishing depressive symptoms in adolescents. Conclusions This study demonstrates the correlation between adolescence depressive symptoms and specific factors from both childhood and adolescence, as well as the potential of ML to predict it. These findings may serve as a reference for future intervention studies.
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spelling doaj-art-e43076849cf64bf49a2b14cf50b3758b2025-01-26T12:56:07ZengBMCBMC Public Health1471-24582025-01-0125111210.1186/s12889-025-21506-zIdentification of depressive symptoms in adolescents using machine learning combining childhood and adolescence featuresXinzhu Liu0Rui Cang1Zihe Zhang2Ping Li3Hui Wu4Wei Liu5Shu Li6Department of Health and Intelligent Engineering, College of Health Management, China Medical UniversityDepartment of Health and Intelligent Engineering, College of Health Management, China Medical UniversityThe First Hospital of China Medical UniversityDepartment of Pediatrics, the First Hospital of China Medical UniverisityDepartment of Social Medicine, College of Health Management, China Medical UniversityDepartment of Health and Intelligent Engineering, College of Health Management, China Medical UniversityDepartment of Health and Intelligent Engineering, College of Health Management, China Medical UniversityAbstract Background Depressive symptoms in adolescents can significantly affect their daily lives and pose risks to their future development. These symptoms may be linked to various factors experienced during both childhood and adolescence. Machine learning (ML) has attracted substantial attention in the field of adolescent depression; however, studies establishing prediction models have primarily considered childhood or adolescent features separately, resulting in a lack of analyses that incorporate factors from both stages. Methods We collected 39 features related to childhood and adolescence. Using the maximum relevance-minimum redundancy method and four ML algorithms, we determined the optimal feature subset for identifying depressive symptoms and constructed child-adolescent models. Stepwise logistic regression and four ML methods were employed to create demographic and combined models, respectively. The performance of each model was evaluated using a test set, and SHapley Additive exPlanations (SHAP) were utilized to interpret the models’ prediction results. Results The proposed child-adolescent models exhibited superior performance on the test set than the demographic and combined models (AUC: 0.835–0.879 versus 0.530 and 0.840–0.876, respectively). The optimal feature subset included two childhood features (relationship quality with peers and parental absence) and four adolescence features (social trust, academic pressure, importance of the internet for entertainment, and positive parenting behaviour). These features were found to be more effective than demographic characteristics in distinguishing depressive symptoms in adolescents. Conclusions This study demonstrates the correlation between adolescence depressive symptoms and specific factors from both childhood and adolescence, as well as the potential of ML to predict it. These findings may serve as a reference for future intervention studies.https://doi.org/10.1186/s12889-025-21506-zChild-adolescent modelDepressionAdolescenceChildhood
spellingShingle Xinzhu Liu
Rui Cang
Zihe Zhang
Ping Li
Hui Wu
Wei Liu
Shu Li
Identification of depressive symptoms in adolescents using machine learning combining childhood and adolescence features
BMC Public Health
Child-adolescent model
Depression
Adolescence
Childhood
title Identification of depressive symptoms in adolescents using machine learning combining childhood and adolescence features
title_full Identification of depressive symptoms in adolescents using machine learning combining childhood and adolescence features
title_fullStr Identification of depressive symptoms in adolescents using machine learning combining childhood and adolescence features
title_full_unstemmed Identification of depressive symptoms in adolescents using machine learning combining childhood and adolescence features
title_short Identification of depressive symptoms in adolescents using machine learning combining childhood and adolescence features
title_sort identification of depressive symptoms in adolescents using machine learning combining childhood and adolescence features
topic Child-adolescent model
Depression
Adolescence
Childhood
url https://doi.org/10.1186/s12889-025-21506-z
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