Cícero Santos Souza, Jefferson Paixão Cardoso, Amanda Pacheco Aguiar, Marina Mascarenhas Santa Rosa Macêdo, Juliana da Silva Oliveira
Work-related musculoskeletal disorders among schoolteachers
Revista brasileira de medicina do trabalho : publicacao oficial da Associacao Nacional de Medicina do Trabalho-ANAMT
research shown longer hours screen time negatively associated childrens healthy development whereas research focused schoolage children less known association early childhood fill gap examined association screen time developmental health preschoolaged children study draws data linkage children n 2983 mean age 52 sd 03 years 51 male british columbia bc canada entered kindergarten public elementary schools 2019 parent reports childrens screen time health behaviors demographics family income collected upon kindergarten entry 092019 linked teacher reports childrens developmental health collected halfway school year 022020 screen time assessed childhood experiences questionnaire developmental vulnerability versus developmental health five domains physical social emotional language cognition communication skills measured early development instrument logistic regression analyses using generalized estimating equation showed children one hour daily screen time likely vulnerable five developmental health domains physical health wellbeing odds ratio 141 95 confidence interval ci 099 20 p0058 social competence or160 95 ci 116 22 p0004 emotional maturity or129 95 ci 096 173 p0097 language cognitive development or181 95 ci 119 274 p0006 communication skills or160 95 ci 11 234 p0015 compared children reporting one hour screen timeday interaction effect income screen time developmental health outcomes nonsignificant results adjusted child demographics family income health behaviors daily screen time exceeds recommended onehour limit young children suggested canadian 24h movement guidelines children youth tremblay et al bmc public health 17874 2017 tremblay j physical activity health 17925 2020 negatively associated developmental health outcomes early childhood screenbased activities thus limited young children future research needs examine underlying mechanisms screen time linked developmental vulnerabilities