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Li MT, Zhang MN, Zhi XY, Zhu H, Zhang X, Xie J. [Heritability of body mass index based on twin studies: a Meta-analysis]. Zhonghua Liu Xing Bing Xue Za Zhi 2021; 42:2188-2195. [PMID: 34954985 DOI: 10.3760/cma.j.cn112338-20210310-00193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Objective: To use Meta analysis to understand the prevalence of the heritability of body mass index (BMI) in twins. Methods: All studies on the heritability of the twins' BMI published before December 31, 2020 were retrieved through the China National Knowledge Network, Wanfang, VIP, PubMed and Web of Science databases. The literature quality was evaluated by using Joanna Briggs Institute Critical Appraisal tools. Stata 16.0 was used to perform subgroup analysis on the outcome indicators (heritability, 95%CI) to explore the source of heterogeneity. The local weighted regression method was used to fit the trend of heritability with age. The publication bias test and the sensitivity analysis of included literatures were also performed by using Stata 16.0. Results: A total of 10 articles meeting the inclusion and exclusion criteria were included with 79 twins' independent estimates of heritability for BMI. Meta-analysis showed that the combined value of BMI heritability was 0.69 (95%CI: 0.65-0.71), the combined value of BMI (0.68, 95%CI: 0.65-0.70) in males was lower than that (0.70, 95%CI: 0.68-0.72) in females. The heritability of BMI (0.72, 95%CI: 0.68-0.76) in childhood and adolescence was higher than that (0.68, 95%CI: 0.66-0.70) in adulthood. The gender specific difference in BMI heritability in twins ≤18 years old was even greater, which was lower in males (0.68, 95%CI: 0.61-0.76) than in females (0.75, 95%CI: 0.69-0.81). The heritability increased with age in childhood, reached peak at about 18 years old, and then slowly decreased with age. Conclusions: The heritability of BMI varied with population characteristics, especially age and gender. In view of the high estimated value of BMI heritability in female children and adolescents, more attention should be paid to the start time of health intervention.
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Affiliation(s)
- M T Li
- School of Public Health, Tianjin Medical University, Tianjin 300070, China
| | - M N Zhang
- School of Public Health, Tianjin Medical University, Tianjin 300070, China
| | - X Y Zhi
- School of Public Health, Tianjin Medical University, Tianjin 300070, China Tianjin Key Laboratory of Environment, Nutrition & Public Health, Tianjin 300070, China Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin 300070, China
| | - H Zhu
- School of Public Health, Tianjin Medical University, Tianjin 300070, China Tianjin Key Laboratory of Environment, Nutrition & Public Health, Tianjin 300070, China Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin 300070, China
| | - X Zhang
- School of Public Health, Tianjin Medical University, Tianjin 300070, China Tianjin Key Laboratory of Environment, Nutrition & Public Health, Tianjin 300070, China Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin 300070, China
| | - J Xie
- School of Public Health, Tianjin Medical University, Tianjin 300070, China Tianjin Key Laboratory of Environment, Nutrition & Public Health, Tianjin 300070, China Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin 300070, China
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Zhang MN, Li MT, Zhi XY, Zhu H, Zhang X, Xie J. [Trends of a burden on atherosclerotic cardiovascular disease and its related risk factors in China, 1990 to 2019]. Zhonghua Liu Xing Bing Xue Za Zhi 2021; 42:1797-1803. [PMID: 34814614 DOI: 10.3760/cma.j.cn112338-20201208-01390] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To quantitatively analyze the effects of population aging and other risk factors on the burden of atherosclerosis cardiovascular disease (ASCVD) in China from 1990 to 2019. Methods: Disability adjusted life years (DALY) and age-standardized rates obtained from the Global Burden of Disease Study 2019 (GBD2019) were used to describe the temporal trend of a burden on ASCVD. And a decomposition method established by Gupta was applied to quantify the burden related to population growth, aging, age-specific prevalence, and the severity of the disease. Results: In 2019, 61.00% of the burden of cardiovascular disease in China was caused by ASCVD. The DALY of ischemic heart disease increased by 133.66% compared with that in 1990, with 29.57% of the increase attributed to population growth, 108.74% due to population aging, and 8.87% due to the rise of age-specific prevalence and -13.53% benefited from changes in disease severity. The DALY of ischemic stroke increased by 138.64% compared with 1990, and the proportions attributable to the above four parts were 30.95%, 123.38%, 55.80%, and -71.49%, respectively. Hypertension remained the leading risk factor for ASCVD in 2019, followed by high LDL cholesterol. The age-standardized DALY rate attributable to drinking had the most significant increase (486.01%) from 1990, with an average annual growth of 10.93%. Conclusions: Aging population seems responsible for the main reason for the considerable increase in the burden of ASCVD in China. Still, the adverse trends of other avoidable risk factors, especially metabolic risk factors, can not be ignored.
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Affiliation(s)
- M N Zhang
- School of Public Health, Tianjin Medical University/Tianjin Key Laboratory of Environment, Nutrition and Public Health/Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin 300070, China
| | - M T Li
- School of Public Health, Tianjin Medical University/Tianjin Key Laboratory of Environment, Nutrition and Public Health/Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin 300070, China
| | - X Y Zhi
- School of Public Health, Tianjin Medical University/Tianjin Key Laboratory of Environment, Nutrition and Public Health/Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin 300070, China
| | - H Zhu
- School of Public Health, Tianjin Medical University/Tianjin Key Laboratory of Environment, Nutrition and Public Health/Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin 300070, China
| | - X Zhang
- School of Public Health, Tianjin Medical University/Tianjin Key Laboratory of Environment, Nutrition and Public Health/Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin 300070, China
| | - J Xie
- School of Public Health, Tianjin Medical University/Tianjin Key Laboratory of Environment, Nutrition and Public Health/Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin 300070, China
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Chang WJ, Shao HM, Zhi XY, Xu J, Xie J. [Sub-health status of middle school teachers and its correlation analysis with occupational stress]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2018; 35:585-588. [PMID: 29081126 DOI: 10.3760/cma.j.issn.1001-9391.2017.08.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To study the distribution of sub-health and occupational stress as well as their correlation among middle school teachers in Tianjin, then provide evidences for prevention and control of the status of sub-health. Methods: A total of 3 522 middle school teachers from six districts of Tianjin were recruited with stratified cluster sampling strategy for the investigation of Sub-Health Measurement Scale version 1.0 (SHMS V1.0) and Occupational Stress Inventory-Revised Edition (OSI-R) . Results: Detection rate of sub-health status among Tianjin middle school teachers was 58.55%. Men had significantly lower sub-health detection rate (55.19%) than women (59.71%) . Sub-health detection rate increased with age (P<0.05) , the sub-health detection rate among middle school teachers more than 50 years old was the highest (66.84%) . The mean score of OSI-R was 403.18±41.80 with the scores of 176.00±21.05, 103.17±17.53, and 124.02±20.28 for ORQ, PSQ, PRQ, respectively, which showed significantly difference compared with the occupational stress norm of China (P<0.001) . The mean scores of OSI-R, ORQ, PSQ, PRQ in different health status were significantly different (P<0.001) . The partial correlation analysis between the scores of sub-health and occupational stress of middle school teachers showed that the scores of occupational role and personal strain were negatively correlated with the scores of sub-health state (P< 0.001) , while, there was significantly positive correlation between the scores of personal resource and the scores of sub-health state (P<0.001) . Conclusion: Sub-health detection rate of middle school teachers in Tianjin is higher. Effective measures should be taken to appropriately mitigate the occupational stress level of middle school teachers, increase personal resources, and scientific and effective health guidance and education should be strengthened.
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Affiliation(s)
- W J Chang
- Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin 300070, China
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