Tsuguhiko Kato, Kotaro Aoki
[Association between home environment and children's long hours of internet use: An analysis of Survey on Parent-child Relationship in the Internet Age]
[Nihon koshu eisei zasshi] Japanese journal of public health
using longitudinal data national institute child health human development study early child care youth development n 1088 examine changes maternal perception closeness conflict motherchild relationship childs preschool adolescent years attention variation maternal education analyses using individual growth models show motherchild closeness increases motherchild conflict decreases preschool first grade first grade age 15 motherchild closeness decreases motherchild conflict increases gradually decrease motherchild conflict preschool first grade increases motherchild conflict first fifth grade sixth grade age 15 less steep mothers college degree mothers without college degree findings underscore importance examining changes parentchild relationships using longitudinal data across childrens developmental stages variations parental social economic status