{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T08:59:02Z","timestamp":1790413142799,"version":"4.1.0"},"reference-count":43,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2026,8,19]],"date-time":"2026-08-19T00:00:00Z","timestamp":1787097600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,8,19]],"date-time":"2026-08-19T00:00:00Z","timestamp":1787097600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Obesity"],"published-print":{"date-parts":[[2026,10]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>Adiposity rebound (AR), the second rise in BMI during growth, increases the risk of obesity and metabolic diseases when it occurs early. We aimed to identify key factors influencing early AR (EAR) within two critical 1000\u2010day periods and develop a predictive model.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Based on the Ma'anshan Birth Cohort (MABC), we collected serial BMI from birth through school age and applied linear mixed models to construct individual growth curves for determining AR. EAR was defined as AR timing at or below the sex\u2010specific 25th percentile (\u2264\u200955.46\u2009months in boys and \u2264\u200960.54\u2009months in girls) in MABC. Among the 2072 parent\u2010offspring trios included, 65 potential factors were collected from maternal, pregnancy, paternal, and offspring sources. Ten machine learning techniques and SHAP were used to evaluate feature importance.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Multimethod screening identified EAR determinants, including paternal and maternal pre\u2010pregnancy overweight\/obesity, pregnancy organic phosphate esters (OPE) exposures, offspring high genetic risk (the predominant contributor), catch\u2010up BMI trajectory, and high waist circumference trajectory. The categorical boosting model demonstrated the best performance among 10 machine learning models for predicting EAR (AUC\n                      <jats:sub>training<\/jats:sub>\n                      \u2009=\u20090.764, 95% CI\u2009=\u20090.733\u20130.795; AUC\n                      <jats:sub>testing<\/jats:sub>\n                      \u2009=\u20090.721, 95% CI\u2009=\u20090.669\u20130.773).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>EAR determinants may inform future interventions, including weight management, prenatal OPE exposure reduction, and early screening for genetically high\u2010risk individuals.<\/jats:p>\n                    <jats:p>\n                      <jats:boxed-text content-type=\"graphic\" position=\"anchor\">\n                        <jats:graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" mimetype=\"image\/png\" position=\"anchor\" specific-use=\"enlarged-web-image\" xlink:href=\"graphic\/oby70278-gra-0001-m.png\">\n                          <jats:alt-text>image<\/jats:alt-text>\n                        <\/jats:graphic>\n                      <\/jats:boxed-text>\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/oby.70278","type":"journal-article","created":{"date-parts":[[2026,8,19]],"date-time":"2026-08-19T23:14:51Z","timestamp":1787181291000},"page":"1915-1935","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Multidimensional Analysis of Early Adiposity Rebound Determinants in Children: Two Key \u201c1000\u2009Days\u201d"],"prefix":"10.1002","volume":"34","author":[{"given":"Ling","family":"Luo","sequence":"first","affiliation":[{"name":"Department of Maternal, Child and Adolescent Health, School of Public Health Anhui Medical University  Hefei Anhui 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