“…These studies collected data through interviews, questionnaires, singular questions, and scales, but the most prominent of these scales was the Nordic questionnaire or an adapted version of the Nordic Questionnaire. 31 All studies reviewed focused on total screen use, with all subjects using mobile devices; however, several studies found different screen use options, such as tablet 19,21,22,23,25,27,28 , video games 20,21,26,28 , computers 20,21,23,25,26,27,28 , and television use 20,21,25,26,28 . According to our search results, we divided the measurable outcomes into total screen use (including total phone, tablet, video games, computer, and television use) and phone use, and we created timelines for each outcome using the available data.…”