AUTHOR=Kong Yiting , Su Zhewei , Wang Rui , Tan Jianyu , Zhong Yuancen , Ai Ming , Wang Wo , Hong Su , Zhang Qi , Kuang Li TITLE=The effects of parent-child relationship, study stress, and mobile phone use on depressive symptoms among Chinese elementary school students: a moderated mediation model JOURNAL=Frontiers in Psychiatry VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2025.1555120 DOI=10.3389/fpsyt.2025.1555120 ISSN=1664-0640