Natsuko Enomoto, Akiko Shikano, Chiaki Tanaka, Kosuke Tanabe, Ryo Tanaka, Shingo Noi
The impact of changes in overall daily physical activity and frequency of sports and outdoor play before and after the spread of COVID-19 infection on mental health from infancy to childhood was examined. Children with reduced outdoor sports and play had significantly increased overall difficulty scores in childhood compared to early childhood.