Maeda, Mitsuya
Filomeno, Ronald
Kawata, Yumi
Sato, Tomoyo
Maruyama, Koutatsu
Wada, Hiroo
Ikeda, Ai
Tanigawa, Takeshi
Article History
First Online: 25 July 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: This survey was conducted according to the guidelines laid down in the Declaration of Helsinki, and verbal informed consent was obtained from each individual participant. Under the Statistics Act, the Ministry of Internal Affairs and Communications Japan anonymized individual-level data collected from the Survey on Time Use and Leisure Activities and provided the authors with the datasets for this study. In accordance with the Ethical Guidelines of Epidemiological Research established by the Ministry of Education, Culture, Sports, Science and Technology and the Ministry of Health, Labour and Welfare, no additional institutional review was required.