
handle: 10902/37347
Desde la etapa preescolar, los niños dedican mucho tiempo a conductas sedentarias. Mientras que actividades como la lectura pueden ser beneficiosas, el uso de pantallas se asocia con problemas de salud y desarrollo. Factores familiares como el nivel socioeconómico (NSE) influyen en estos hábitos, pero la evidencia aún es limitada. Este estudio analizó la relación entre el NSE y los hábitos de uso de pantallas y lectura en niños de 2 a 4 años, utilizando datos del estudio CoAlHaS, una cohorte prospectiva de 2012 niños. Para el análisis, se recogieron datos sobre el nivel de ingresos (NI) y educativo (NE) familiar, así como sobre el uso de pantallas y lectura mediante entrevistas a familiares. Posteriormente, se aplicaron modelos de regresión logística ajustada para estimar las odds ratios (OR). Los resultados mostraron un gradiente claro: a mayor NI y NE familiar, menor probabilidad de uso excesivo de pantallas y mayor tiempo dedicado a la lectura. Esta asociación fue especialmente evidente entre el tiempo de pantalla y el NE materno (OR = 0,22), y entre el tiempo de lectura y el NE paterno (OR = 3,51). En conclusión, un mayor NSE familiar se asocia con mejores hábitos sedentarios en la infancia temprana.
From early childhood, children engage in considerable sedentary behaviour. While certain activities, such as reading, offer cognitive benefits, screen exposure has been linked to adverse health and developmental outcomes. Some family-related factors, such as socioeconomic status (SES), are thought to influence these habits although evidence is still limited. This study investigated associations between SES and both screen use and reading habits in children aged 2-4 years, using data from the CoAlHaS cohort, which includes 2012 children. Information on household income and parental education as well as data on children’s screen exposure and reading time was collected via caregiver interviews. Adjusted logistic regression models were used to estimate odds ratios (ORs). Findings revealed a consistent SES gradient: higher family income and educational level were associated with reduced odds of excessive screen use and increased daily reading time. Notably, maternal education was strongly linked to lower screen time (OR = 0.22), while paternal education was associated with greater reading time (OR = 3.51). Therefore, higher SES is positively associated with healthier sedentary behaviours in early childhood.
Grado en Medicina
Tiempo de pantalla, Preschool children, Shared reading, Factores socioeconómicos, Edad preescolar, Socioeconomic factors, Lectura compartida, Screen time
Tiempo de pantalla, Preschool children, Shared reading, Factores socioeconómicos, Edad preescolar, Socioeconomic factors, Lectura compartida, Screen time
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