biostudies-literatureXu XNational Key R&amp;D Program of ChinaTianfu Famous Doctor Funde052457https://www.ebi.ac.uk/biostudies/studies/S-EPMC8977785biostudies-literatureUnknown12(4)<h4>Objectives</h4>This study explored the prevalence of and individual influencing factors for metabolic syndrome (MS) as well as associated socioeconomic factors and regional aggregation.<h4>Design</h4>Four cross-sectional surveys were analysed for trends in MS and associations with socioeconomic and individual factors through multilevel logistic regression analyses. The risk associated with nutrient intake was also assessed through a dietary survey in 2015.<h4>Setting</h4>From 2010 to 2018, 8-15 counties/districts of West China were included.<h4>Participants</h4>A total of 28 274 adults were included in the prevalence analysis. A total of 23 708 adults were used to analyse the related factors.<h4>Results</h4>The overall prevalence of MS ranged from 21.4% to 27.8% over the 8 years, remaiBMJ openPrevalence of metabolic syndrome among the adult population in western China and the association with socioeconomic and individual factors: four cross-sectional studies.PMC89777852018YFC1311401N/A（The fund did not have a grant number)Zhou MDong TZhang LZhou XCheng SYang WLi YZhang XZeng JNiu LXu XYi GDeng YWu XfalsePrevalence of metabolic syndrome among the adult population in western China and the association with socioeconomic and individual factors: four cross-sectional studies.<h4>Objectives</h4>This study explored the prevalence of and individual influencing factors for metabolic syndrome (MS) as well as associated socioeconomic factors and regional aggregation.<h4>Design</h4>Four cross-sectional surveys were analysed for trends in MS and associations with socioeconomic and individual factors through multilevel logistic regression analyses. The risk associated with nutrient intake was also assessed through a dietary survey in 2015.<h4>Setting</h4>From 2010 to 2018, 8-15 counties/districts of West China were included.<h4>Participants</h4>A total of 28 274 adults were included in the prevalence analysis. A total of 23 708 adults were used to analyse the related factors.<h4>Results</h4>The overall prevalence of MS ranged from 21.4% to 27.8% over the 8 years, remai2022-01-01T00:00:00Z2022 Apr2026-03-13T10:20:03.312Z2025-04-25T18:04:21.953ZS-EPMC89777853536551510.1136/bmjopen-2021-052457