Bomin Jeon, Sophia J Chung, Young Ji Lee
Racial/ethnic disparities in sleep health among adolescents in South Korea: The role of substance use behaviours
Journal of advanced nursing
despite young childrens widespread use mobile devices little research exists use association childrens language development aim study examine associations mobile device screen time language comprehension expressive language skills additional aim examine whether three factors related domestic learning environment modify associations study uses data danish largescale survey traces among two threeyearold children n 31125 mobile device screen time measured time spent mobile devices normal day measurement language comprehension expressive language skills based subscales five fifteen toddlers questionnaire multivariable linear regression used examine association child mobile device screen time language development logistic regression examine risk experiencing significant language difficulties joint exposure analyses used examine association child mobile device screen time language development difficulties combination three factors related domestic learning environment parental education reading child child tvpc screen time high mobile device screen time one hour per day significantly associated poorer language development scores higher odds language comprehension difficulties 12 h aor 130 2 h aor 142 expressive language skills difficulties 12 h aor 119 2 h aor 146 results suggest reading frequently child partly buffers negative effect high mobile device screen time language comprehension difficulties expressive language skills difficulties modifying effect parental education time spent child tvpc found mobile device screen time one hour per day associated poorer language development among toddlers reading frequently child may buffering effect language comprehension difficulties expressive language skills difficulties