Journal
DIABETOLOGY & METABOLIC SYNDROME
Volume 13, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s13098-021-00751-3
Keywords
Ethnic disparity; Metabolic syndrome; Obesity; Health behavior; Biological factor
Categories
Funding
- Chiayi County Health Bureau [1010008104]
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The study found significant differences in metabolic syndrome, obesity, and health behaviors between the Tsou indigenous group and the Han nonindigenous group in Taiwan, despite similar age and sex distributions. The Tsou group had higher rates of metabolic syndrome, obesity, and unhealthy behaviors compared to the Han group. Ethnicity per se played a significant role in the development of metabolic syndrome, with the Tsou indigenous people having increased risks, possibly due to biological reasons rooted in their origins that need further exploration. Unhealthy behaviors may also indirectly affect the development of metabolic syndrome through their impact on obesity.
Background As studies on ethnic disparities in metabolic syndrome and its risk factors in Taiwan are still rare, the aims of this study were: (1) to detect the differences in the rates of metabolic syndrome, obesity and health behaviors between two ethnic groups (indigenous Tsou and nonindigenous Han) living in the same area and with similar age and sex distributions; (2) to examine whether ethnicity per se plays a significant role in the occurrence of metabolic syndrome, while taking other risk factors including sociodemographic characteristics, obesity and health behaviors into consideration. Methods This is a cross-sectional study using data from a community survey conducted in Chiayi County in southwestern Taiwan. A frequency matching strategy by age and sex with a ratio of 1 (Tsou) to 3 (Han) was applied to select a comparable sample between both ethnic groups (667 Tsou and 2001 Han) from among the survey participants. Furthermore, participants with cardiometabolic diseases diagnosed before the surveyed day were excluded to avoid confounding any associated risk factors for developing metabolic syndrome (MS). A final analytic sample of 1482 remained. The used information included sociodemographic characteristics, medical histories, health behaviors, and the concentrations of triglycerides, cholesterol, and glucose. Results Indigenous Tsou had significantly higher rates of metabolic syndromes, obesity and unhealthy behaviors than their Han counterparts (MS: 54.0% vs. 29.1%, obesity: 54.0% vs. 23.2%, drinking alcohol: 17.5% vs. 13.6%, and higher intake of fried food: 6.4% vs. 4.4%), even though they were similar in age and sex distributions. The significant risk factors for subsequently developing MS included being indigenous Tsou (adjusted POR = 2.62, P < 0.001), older, single, and obese. Stratified analyses on the risk factors for developing MS by health behaviors and by obese problems also indicated increased risks of being indigenous Tsou. Conclusions There existed ethnic differences in the rates of metabolic syndrome, obesity, and health behaviors. Ethnicity per se did play a significant role in developing MS; in particular indigenous Tsou people had increased risks, suggesting possible biological reasons rooted in their origins that need further exploration. In addition, unhealthy behaviors may potentially have an indirect effect on developing MS via their effect on obesity.
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