Effects of physical fitness on mental health of Chinese college students: across-sectional study.

"Declarations Ethics approval and consent to participateThis study has been submitted to the Ethics Committee of Guilin University of Technology and has been approved.Informed consent for this study has been obtained from all participants and investigators.The Ethic review board of the Guilin University of Technology considers that thistype of project does not fall under the legislation for the protection of human andanimals used for scientific purposes, national decree-law 167/2023 (Index No:306-35-2023-239) copy file attached. It considers this type of the project has no impacton participants because that the recruitment plan developed was fair and reasonable,and the research process did not involve personal privacy data, biometric information and other personal information. Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding Not applicable."