{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,25]],"date-time":"2026-05-25T05:03:57Z","timestamp":1779685437555,"version":"3.53.1"},"reference-count":61,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,5,25]],"date-time":"2026-05-25T00:00:00Z","timestamp":1779667200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Psychol."],"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Close friend support is a key emotional and coping resource during adolescence, yet less is known about the psychological variables that may statistically account for its association with students' perceived school climate.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We conducted a cross-sectional survey among 1,380 Chinese high school students aged 15\u201318 years from five senior high schools in Shihezi, Xinjiang, China. Perceived school climate was measured using the 12-item school climate component of the Abbreviated Dual School Climate and School Identification Measure-Student; basic psychological needs satisfaction in exercise, self-esteem, and close friend support were assessed with self-report scales. Covariate-adjusted specific and sequential statistical indirect effects were estimated using PROCESS Model 6 with 5,000 bootstrap resamples while controlling for sex and grade level.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Perceived school climate was positively associated with close friend support (total effect\n                      <jats:italic>B<\/jats:italic>\n                      = 0.507, 95% CI [0.463, 0.550]). A direct association remained statistically significant after accounting for both intervening variables (\n                      <jats:italic>B<\/jats:italic>\n                      = 0.263, 95% CI [0.217, 0.310]), and the total indirect effect was\n                      <jats:italic>B<\/jats:italic>\n                      = 0.243 (95% CI [0.209, 0.279]). Statistically significant indirect effects were observed via basic psychological needs satisfaction in exercise (\n                      <jats:italic>B<\/jats:italic>\n                      = 0.084, 95% CI [0.062, 0.107]), via self-esteem (\n                      <jats:italic>B<\/jats:italic>\n                      = 0.113, 95% CI [0.088, 0.138]), and sequentially via basic psychological needs satisfaction in exercise and self-esteem (\n                      <jats:italic>B<\/jats:italic>\n                      = 0.046, 95% CI [0.035, 0.058]).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>A more positive perceived school climate was associated with greater close friend support, with statistical indirect effects via exercise-related basic psychological needs satisfaction and self-esteem. The findings point to practice-relevant considerations for supportive school climates and need-supportive exercise contexts; however, because the data were cross-sectional and adjusted only for sex and grade level, these indirect effects should not be interpreted as evidence of temporal ordering or causal mediation.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3389\/fpsyg.2026.1848230","type":"journal-article","created":{"date-parts":[[2026,5,25]],"date-time":"2026-05-25T04:44:24Z","timestamp":1779684264000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Associations between perceived school climate and close friend support among Chinese high school students: a cross-sectional serial indirect-effect analysis of exercise-related basic psychological needs satisfaction and self-esteem"],"prefix":"10.3389","volume":"17","author":[{"given":"Hanyang","family":"Cui","sequence":"first","affiliation":[{"name":"School of Physical Education, Shihezi University, Shihezi","place":["Xinjiang, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luhui","family":"Li","sequence":"additional","affiliation":[{"name":"School of Physical Education, Shihezi University, Shihezi","place":["Xinjiang, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wenting","family":"Liu","sequence":"additional","affiliation":[{"name":"School of Physical Education, College of Arts and Sciences\u00b7Kunming, Kunming","place":["Yunnan, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2026,5,25]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"121","DOI":"10.1016\/j.ijer.2018.01.012","article-title":"The relationships between school climate and adolescent mental health and wellbeing: a systematic literature review","volume":"88","author":"Aldridge","year":"2018","journal-title":"Int. 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