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Authors
Yamamura, Eiji https://orcid.org/0000-0002-5903-3582
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Funding
Funding for this research was provided by:
Japan Society for the Promotion of Science. (20H05632)
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Article History
Received: 22 August 2024
Accepted: 21 August 2025
First Online: 31 August 2025
Declarations
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: There is no conflict of interest in this study.
: All participants were informed of the aim of the study before starting the survey. Before the survey, all participants were informed that clicking the "Start" button was an indication of consent to participate in the survey. To preserve the anonymity of respondents, no individual names were included in the consent. In this way, consent to participate in the survey was obtained from all participants. Even after starting the survey, participants had the right to quit at any time. The authors did not obtain any personal information of the participants from NRC. As conditions for survey participants, those who are over ages of 18 who are considered an adult by Japanese law when we conducted the survey. Therefore, there is no need of obtaining consent from parents or guardians. This study's survey design of was conducted with ex ante approval from the Ethics Committee. We have obtained the approval in November 2023 before the survey in Feb 2024. Data collection was performed in accordance with relevant guidelines and regulations. This study did not involve experimental manipulation, there were no foreseeable risks involved, the questionnaire used for this research was anonymous. The data used in this study are part of a long-term panel data of lifestyle attitudes that includes survey of the new coronavirus infections. The application documents for ethics review clearly state the purpose of the study as "to accumulate basic knowledge for more desirable policy formulation based on changes in social awareness after a COVID-19 pandemic”. The data related to the sleep used in this study were collected for this purpose. Therefore, the intent of this study is consistent with the project title “Survey on living environment during childhood, and Current Life Attitudes” that is indicated as subtitle of the survey in ethics approval although the main tile in the ethics approval is “A Study on the Influence of the New Type of Coronavirus Infection on the Lifestyle Consciousness”.
