Association between parental education level and intelligence quotient of children referred to the mental healthcare system: a cross-sectional study in Poland
Abstract Considering the gap in understanding of the link between parental education and child intelligence quotient (IQ), our study aimed to investigate the association between parental education and the IQ of children referred to the mental healthcare system, explore which parent’s education level...
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Nature Portfolio
2025-02-01
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| Online Access: | https://doi.org/10.1038/s41598-025-88591-3 |
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| author | Urszula Sajewicz-Radtke Ariadna Łada-Maśko Michał Olech Paweł Jurek Łucja Bieleninik Bartosz M. Radtke |
| author_facet | Urszula Sajewicz-Radtke Ariadna Łada-Maśko Michał Olech Paweł Jurek Łucja Bieleninik Bartosz M. Radtke |
| author_sort | Urszula Sajewicz-Radtke |
| collection | DOAJ |
| description | Abstract Considering the gap in understanding of the link between parental education and child intelligence quotient (IQ), our study aimed to investigate the association between parental education and the IQ of children referred to the mental healthcare system, explore which parent’s education level is more influential, and examine the impact of the child’s age and sex on these relationships. This cross-sectional study included 80,303 children aged 3–18 years who were referred to the mental healthcare system between 2018 and 2023. We predefined IQ composite score (Full IQ Scale), as measured by the Stanford Binet 5 Intelligence Scale, Fifth Edition (SB-5) as the primary outcome; the remaining SB-5 composite scores were the secondary outcomes. Linear regression analysis was performed using staircase coding for ordinal predictors with several binary independent variables. A significant correlation was found between parental education levels and IQ of the sampled children, with higher levels of parents’ education predicting higher IQ scores, particularly with mother’s education explaining 18.23% of the variance in children’s overall intelligence. No significant interaction was observed between parental education and child’s sex in predicting child IQ. However, a significant interaction was observed with age, showing that IQ decreases with age in children of parents with lower education, while it increases with age in children of parents with higher education. Our study underscores the pivotal influence of parental education on the IQ levels of children referred to mental healthcare services. Maternal education level was a stronger predictor of child IQ, potentially because mothers tend to be the primary caregivers. These findings suggest the need for targeted support programs for caregivers, particularly those with lower education levels, to facilitate the early detection of developmental challenges. Integrated education and healthcare efforts are crucial for equitable mental healthcare access. |
| format | Article |
| id | doaj-art-925de84dd20644b5845808cc7db4e0f1 |
| institution | Kabale University |
| issn | 2045-2322 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj-art-925de84dd20644b5845808cc7db4e0f12025-02-09T12:32:52ZengNature PortfolioScientific Reports2045-23222025-02-011511810.1038/s41598-025-88591-3Association between parental education level and intelligence quotient of children referred to the mental healthcare system: a cross-sectional study in PolandUrszula Sajewicz-Radtke0Ariadna Łada-Maśko1Michał Olech2Paweł Jurek3Łucja Bieleninik4Bartosz M. Radtke5Laboratory of Psychological and Educational TestsInstitute of Psychology, University of GdanskDepartment of Psychology, Medical University of GdanskInstitute of Psychology, University of GdanskInstitute of Psychology, University of GdanskLaboratory of Psychological and Educational TestsAbstract Considering the gap in understanding of the link between parental education and child intelligence quotient (IQ), our study aimed to investigate the association between parental education and the IQ of children referred to the mental healthcare system, explore which parent’s education level is more influential, and examine the impact of the child’s age and sex on these relationships. This cross-sectional study included 80,303 children aged 3–18 years who were referred to the mental healthcare system between 2018 and 2023. We predefined IQ composite score (Full IQ Scale), as measured by the Stanford Binet 5 Intelligence Scale, Fifth Edition (SB-5) as the primary outcome; the remaining SB-5 composite scores were the secondary outcomes. Linear regression analysis was performed using staircase coding for ordinal predictors with several binary independent variables. A significant correlation was found between parental education levels and IQ of the sampled children, with higher levels of parents’ education predicting higher IQ scores, particularly with mother’s education explaining 18.23% of the variance in children’s overall intelligence. No significant interaction was observed between parental education and child’s sex in predicting child IQ. However, a significant interaction was observed with age, showing that IQ decreases with age in children of parents with lower education, while it increases with age in children of parents with higher education. Our study underscores the pivotal influence of parental education on the IQ levels of children referred to mental healthcare services. Maternal education level was a stronger predictor of child IQ, potentially because mothers tend to be the primary caregivers. These findings suggest the need for targeted support programs for caregivers, particularly those with lower education levels, to facilitate the early detection of developmental challenges. Integrated education and healthcare efforts are crucial for equitable mental healthcare access.https://doi.org/10.1038/s41598-025-88591-3IntelligenceIQAvailability of mental healthcareParental educational levelCognitive developmentCounseling system |
| spellingShingle | Urszula Sajewicz-Radtke Ariadna Łada-Maśko Michał Olech Paweł Jurek Łucja Bieleninik Bartosz M. Radtke Association between parental education level and intelligence quotient of children referred to the mental healthcare system: a cross-sectional study in Poland Scientific Reports Intelligence IQ Availability of mental healthcare Parental educational level Cognitive development Counseling system |
| title | Association between parental education level and intelligence quotient of children referred to the mental healthcare system: a cross-sectional study in Poland |
| title_full | Association between parental education level and intelligence quotient of children referred to the mental healthcare system: a cross-sectional study in Poland |
| title_fullStr | Association between parental education level and intelligence quotient of children referred to the mental healthcare system: a cross-sectional study in Poland |
| title_full_unstemmed | Association between parental education level and intelligence quotient of children referred to the mental healthcare system: a cross-sectional study in Poland |
| title_short | Association between parental education level and intelligence quotient of children referred to the mental healthcare system: a cross-sectional study in Poland |
| title_sort | association between parental education level and intelligence quotient of children referred to the mental healthcare system a cross sectional study in poland |
| topic | Intelligence IQ Availability of mental healthcare Parental educational level Cognitive development Counseling system |
| url | https://doi.org/10.1038/s41598-025-88591-3 |
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