{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,18]],"date-time":"2026-09-18T06:09:23Z","timestamp":1789711763439,"version":"4.0.1"},"reference-count":43,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,9,18]],"date-time":"2026-09-18T00:00:00Z","timestamp":1789689600000},"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>Objective<\/jats:title>\n                    <jats:p>To examine whether 12-month changes in sedentary accumulation were associated with mental-health outcomes among university teachers while accounting for concurrent changes in total sitting time.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Full-time teachers (\n                      <jats:italic>n<\/jats:italic>\n                      \u202f=\u202f769) completed 7-day activPAL4 monitoring and the World Health Organization\u2013Five Well-Being Index (WHO-5), 10-item Perceived Stress Scale (PSS-10), and Maslach Burnout Inventory\u2013Emotional Exhaustion (MBI-EE) at baseline and 12\u202fmonths. Changes in mean sitting-bout length (MBL), the proportion of sitting time accumulated in bouts \u226530\u202fmin (Prolonged30%), and total sitting time were entered simultaneously in ANCOVA models adjusted for the corresponding baseline outcome, changes in moderate-to-vigorous physical activity and sleep quality, age, sex, and baseline BMI. Model 2 additionally adjusted for T1 levels of the three sedentary exposures.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      In Model 2, greater reductions in MBL were associated with higher WHO-5 scores (\n                      <jats:italic>\u03b2<\/jats:italic>\n                      \u202f=\u202f\u22120.236, 95% CI\u202f\u2212\u202f0.441 to \u22120.032;\n                      <jats:italic>p<\/jats:italic>\n                      \u202f=\u202f0.023) and lower MBI-EE scores (\n                      <jats:italic>\u03b2<\/jats:italic>\n                      \u202f=\u202f0.125, 95% CI 0.034 to 0.217;\n                      <jats:italic>p<\/jats:italic>\n                      \u202f=\u202f0.007), while greater reductions in Prolonged30% were associated with lower PSS-10 scores (\n                      <jats:italic>\u03b2<\/jats:italic>\n                      \u202f=\u202f0.043, 95% CI 0.006 to 0.079;\n                      <jats:italic>p<\/jats:italic>\n                      \u202f=\u202f0.022). Reductions in total sitting time were favorably associated with all three outcomes. An interquartile-range reduction in MBL corresponded to a 0.97-point higher WHO-5 score, about one-tenth of the ~10-point contextual reference value; the corresponding 0.44-point lower PSS-10 estimate for an interquartile-range reduction in Prolonged30% was about 16\u201320% of the 2.2\u20132.7-point contextual reference range. All semi-partial\n                      <jats:italic>f<\/jats:italic>\n                      <jats:sup>2<\/jats:sup>\n                      values for focal predictors in the primary Model 2 analyses were &amp;lt;0.02.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>More favorable changes in sedentary accumulation were associated with better mental-health outcomes, but the estimated incremental effects were small. Because MBL is structurally linked to sitting volume and bout frequency, its associations are better interpreted as reflecting a more frequently interrupted pattern of sitting rather than an isolated effect of bout duration.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3389\/fpsyg.2026.1904275","type":"journal-article","created":{"date-parts":[[2026,9,18]],"date-time":"2026-09-18T05:39:17Z","timestamp":1789709957000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Sedentary accumulation patterns and mental health among university teachers: longitudinal evidence from a single-university two-wave cohort"],"prefix":"10.3389","volume":"17","author":[{"given":"Huakai","family":"Zhang","sequence":"first","affiliation":[{"name":"Medical College, Zhengzhou University of Industrial Technology","place":["Zhengzhou, Henan, China"]},{"name":"Henan Province Engineering Technology Research Center of Smart Health and Elderly Care","place":["Zhengzhou, Henan, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yongchao","family":"Huang","sequence":"additional","affiliation":[{"name":"Medical College, Zhengzhou University of Industrial Technology","place":["Zhengzhou, Henan, China"]},{"name":"Henan Province Engineering Technology Research Center of Smart Health and Elderly Care","place":["Zhengzhou, Henan, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shiguang","family":"Wang","sequence":"additional","affiliation":[{"name":"Medical College, Zhengzhou University of Industrial Technology","place":["Zhengzhou, Henan, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lei","family":"Xiu","sequence":"additional","affiliation":[{"name":"Medical College, Zhengzhou University of Industrial Technology","place":["Zhengzhou, Henan, China"]},{"name":"Zhengzhou Key Laboratory of Motor Function Rehabilitation","place":["Zhengzhou, Henan, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yan","family":"Wang","sequence":"additional","affiliation":[{"name":"Medical College, Zhengzhou University of Industrial Technology","place":["Zhengzhou, Henan, China"]},{"name":"Henan Province Engineering Technology Research Center of Smart Health and Elderly Care","place":["Zhengzhou, Henan, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2026,9,18]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","first-page":"10706","DOI":"10.3390\/ijerph191710706","article-title":"Stress, burnout, anxiety and depression among teachers: a scoping review","volume":"19","author":"Agyapong","year":"2022","journal-title":"Int. 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