Early onset and increasing disparities in neurodevelopmental delays from birth to age 6 in children from low socioeconomic backgrounds / Tae Hwan HAN in Journal of Neurodevelopmental Disorders, 16 (2024)  

Public ISBD [article]  inJournal of Neurodevelopmental Disorders > 16 (2024) Titre : Early onset and increasing disparities in neurodevelopmental delays from birth to age 6 in children from low socioeconomic backgrounds Type de document : texte imprimé Auteurs : Tae Hwan HAN, Auteur ; Kyu Young CHAE, Auteur ; Boeun HAN, Auteur ; Ju Hee KIM, Auteur ; Eun Kyo HA, Auteur ; Seonkyeong RHIE, Auteur ; Man Yong HAN, Auteur Langues : Anglais (eng) Mots-clés : Humans  Female  Male  Child, Preschool  Retrospective Studies  Infant  Child  Developmental Disabilities/epidemiology/etiology  Republic of Korea/epidemiology  Infant, Newborn  Social Class  Child Development/physiology  Neurodevelopmental Disorders/epidemiology/etiology  Health Status Disparities  Birthweight  Cognition  Environmental factors  Neurodevelopmental delay  Socioeconomic status  personal relationships that could have appeared to influence the work reported in  this paper. The authors declare no competing interests. Index. décimale : PER Périodiques Résumé : OBJECTIVE: To analyze the complex relationship between socioeconomic status (SES) and neurodevelopmental achievements by investigating the temporal dynamics of these associations from birth to age 6. METHODS: This retrospective cohort study was conducted over 6 years using population-based data from the National Health Insurance Service and integrated data from the National Health Screening Program for Infants and Children. Participants were children born between 2009 and 2011 in Korea without neurodevelopmental delays with potential developmental implications. We analyzed results from the Korean Developmental Screening Test, administered at age 6, which covered overall assessment and six domains of gross and fine motor function, cognition, language, sociality, and self-care. The secondary outcome was to determine when neurodevelopmental outcomes began after birth and how these differences changed over time. RESULTS: Of 276,167 individuals (49.2% males), 66,325, 138,980, and 60,862 had low, intermediate, and high SES, respectively. Neurodevelopmental delays observed across all developmental domains were more prevalent in the low-SES group than in the high-SES group. Disparities in neurodevelopment according to these statuses were apparent as early as age 2 and tended to increase over time (interaction, P < 0.001). The cognition and language domains exhibited the most substantial disparities between SES levels. These disparities persisted in subgroup analyses of sex, birthweight, head circumference, birth data, and breastfeeding variables. CONCLUSIONS: Low SES was significantly associated with an increased risk of adverse neurodevelopmental outcomes in preschool children, particularly those affecting cognitive and language domains. These differences manifested in early childhood and widened over time. En ligne : https://dx.doi.org/10.1186/s11689-024-09577-2 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=576 [article] Early onset and increasing disparities in neurodevelopmental delays from birth to age 6 in children from low socioeconomic backgrounds [texte imprimé] / Tae Hwan HAN, Auteur ; Kyu Young CHAE, Auteur ; Boeun HAN, Auteur ; Ju Hee KIM, Auteur ; Eun Kyo HA, Auteur ; Seonkyeong RHIE, Auteur ; Man Yong HAN, Auteur. Langues : Anglais (eng) in Journal of Neurodevelopmental Disorders > 16 (2024) Mots-clés : Humans  Female  Male  Child, Preschool  Retrospective Studies  Infant  Child  Developmental Disabilities/epidemiology/etiology  Republic of Korea/epidemiology  Infant, Newborn  Social Class  Child Development/physiology  Neurodevelopmental Disorders/epidemiology/etiology  Health Status Disparities  Birthweight  Cognition  Environmental factors  Neurodevelopmental delay  Socioeconomic status  personal relationships that could have appeared to influence the work reported in  this paper. The authors declare no competing interests. Index. décimale : PER Périodiques Résumé : OBJECTIVE: To analyze the complex relationship between socioeconomic status (SES) and neurodevelopmental achievements by investigating the temporal dynamics of these associations from birth to age 6. METHODS: This retrospective cohort study was conducted over 6 years using population-based data from the National Health Insurance Service and integrated data from the National Health Screening Program for Infants and Children. Participants were children born between 2009 and 2011 in Korea without neurodevelopmental delays with potential developmental implications. We analyzed results from the Korean Developmental Screening Test, administered at age 6, which covered overall assessment and six domains of gross and fine motor function, cognition, language, sociality, and self-care. The secondary outcome was to determine when neurodevelopmental outcomes began after birth and how these differences changed over time. RESULTS: Of 276,167 individuals (49.2% males), 66,325, 138,980, and 60,862 had low, intermediate, and high SES, respectively. Neurodevelopmental delays observed across all developmental domains were more prevalent in the low-SES group than in the high-SES group. Disparities in neurodevelopment according to these statuses were apparent as early as age 2 and tended to increase over time (interaction, P < 0.001). The cognition and language domains exhibited the most substantial disparities between SES levels. These disparities persisted in subgroup analyses of sex, birthweight, head circumference, birth data, and breastfeeding variables. CONCLUSIONS: Low SES was significantly associated with an increased risk of adverse neurodevelopmental outcomes in preschool children, particularly those affecting cognitive and language domains. These differences manifested in early childhood and widened over time. En ligne : https://dx.doi.org/10.1186/s11689-024-09577-2 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=576

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