Adverse childhood experiences, sarcopenia, and social participation in older adults: a cohort study.

"Declarations Ethical approvalThe CHARLS was approved by the Institutional Review Board of Peking University. And informed consent was obtained from all individual participants included in the study. Consent for publicationNot applicable. Competing interestsThe authors declare that they have no competing interests. Competing interests The authors declare that they have no competing interests."

"Funding This study was supported by the Major Research Plan of the National Natural Science Foundation of China (Grant No. 92249305), the “Announce the List and Take Charge” Major Scientific and Technological Projects of Liaoning Province (Grant No. 022JH1/10400001), and the Joint Plan of Liaoning Provincial People’s Livelihood Science and Technology Plan (Grant No. 2021JH2/10300090). Role of the funder: The sponsors had no role in the design and conduct of the study; the collection, management, analysis, and interpretation of the data; the preparation, review, or approval of the manuscript; or the decision to submit the manuscript for publication."