Effect of retirement on the body mass index in China: a nationwide study based on the regression discontinuity design
Abstract Introduction Retirement represents a significant life transition and is associated with individual health outcomes. Previous studies on the health effects of retirement have yielded inconsistent conclusions. This study aimed to estimate the impact of retirement on the body mass index (BMI)...
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BMC
2025-01-01
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| Online Access: | https://doi.org/10.1186/s12889-024-21044-0 |
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| author | Jiarun Mi Xueyan Han Hanchao Cheng Zhaoyang Pan Jian Guo Hailu Zhu Qi Wang Yicong Wang Yuanli Liu Congyi Zheng Xin Wang Xue Cao Zhen Hu Yixin Tian Zengwu Wang Tianjia Guan |
| author_facet | Jiarun Mi Xueyan Han Hanchao Cheng Zhaoyang Pan Jian Guo Hailu Zhu Qi Wang Yicong Wang Yuanli Liu Congyi Zheng Xin Wang Xue Cao Zhen Hu Yixin Tian Zengwu Wang Tianjia Guan |
| author_sort | Jiarun Mi |
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| description | Abstract Introduction Retirement represents a significant life transition and is associated with individual health outcomes. Previous studies on the health effects of retirement have yielded inconsistent conclusions. This study aimed to estimate the impact of retirement on the body mass index (BMI) and BMI-defined overweight and obesity. Methods Between 2012 and 2015, this study included 88,471 public sector participants from the Chinese Hypertension Survey (CHS) while excluding those working in the private sector. By utilizing the fuzzy regression discontinuity design (FRDD), this research evaluated the direct impact of retirement on the BMI, as well as on the overweight and obesity rates. Additionally, the study examined variations in the effects of retirement among groups stratified by sex and educational attainment. Results The fully adjusted model suggested that retirement did not have a significant impact on the BMI or overweight and obesity rates of the overall population. Notably, retirement significantly impacted the male participants, resulting in an increase in their BMI of 2.18 (95% CI 0.23–4.13), but did not affect the BMI of the female participants. Furthermore, individuals with lower educational backgrounds experienced more pronounced BMI changes upon retirement. Conclusions On average, retirement has no significant impact on the BMI and overweight and obesity rates. Retirement leads to an increase in the BMI among men but does not affect that in women. When considering adjustments to existing retirement policies, the differential health effects of retirement across various populations should be taken into account. |
| format | Article |
| id | doaj-art-de45120f81784e09a59e0819eac3c017 |
| institution | Kabale University |
| issn | 1471-2458 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | BMC |
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| series | BMC Public Health |
| spelling | doaj-art-de45120f81784e09a59e0819eac3c0172025-02-02T12:46:19ZengBMCBMC Public Health1471-24582025-01-0125111110.1186/s12889-024-21044-0Effect of retirement on the body mass index in China: a nationwide study based on the regression discontinuity designJiarun Mi0Xueyan Han1Hanchao Cheng2Zhaoyang Pan3Jian Guo4Hailu Zhu5Qi Wang6Yicong Wang7Yuanli Liu8Congyi Zheng9Xin Wang10Xue Cao11Zhen Hu12Yixin Tian13Zengwu Wang14Tianjia Guan15School of Health Policy and Management, Chinese Academy of Medical Sciences and Peking Union Medical CollegeSchool of Health Policy and Management, Chinese Academy of Medical Sciences and Peking Union Medical CollegeSchool of Health Policy and Management, Chinese Academy of Medical Sciences and Peking Union Medical CollegeSchool of Health Policy and Management, Chinese Academy of Medical Sciences and Peking Union Medical CollegeState Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical CollegeSchool of Health Policy and Management, Chinese Academy of Medical Sciences and Peking Union Medical CollegeSchool of Health Policy and Management, Chinese Academy of Medical Sciences and Peking Union Medical CollegeSchool of Health Policy and Management, Chinese Academy of Medical Sciences and Peking Union Medical CollegeSchool of Health Policy and Management, Chinese Academy of Medical Sciences and Peking Union Medical CollegeDivision of Prevention and Community Health, National Center for Cardiovascular Disease, National Clinical Research center of Cardiovascular, Disease, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, Peking Union Medical College & Chinese Academy of Medical SciencesDivision of Prevention and Community Health, National Center for Cardiovascular Disease, National Clinical Research center of Cardiovascular, Disease, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, Peking Union Medical College & Chinese Academy of Medical SciencesDivision of Prevention and Community Health, National Center for Cardiovascular Disease, National Clinical Research center of Cardiovascular, Disease, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, Peking Union Medical College & Chinese Academy of Medical SciencesDivision of Prevention and Community Health, National Center for Cardiovascular Disease, National Clinical Research center of Cardiovascular, Disease, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, Peking Union Medical College & Chinese Academy of Medical SciencesDivision of Prevention and Community Health, National Center for Cardiovascular Disease, National Clinical Research center of Cardiovascular, Disease, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, Peking Union Medical College & Chinese Academy of Medical SciencesDivision of Prevention and Community Health, National Center for Cardiovascular Disease, National Clinical Research center of Cardiovascular, Disease, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, Peking Union Medical College & Chinese Academy of Medical SciencesSchool of Health Policy and Management, Chinese Academy of Medical Sciences and Peking Union Medical CollegeAbstract Introduction Retirement represents a significant life transition and is associated with individual health outcomes. Previous studies on the health effects of retirement have yielded inconsistent conclusions. This study aimed to estimate the impact of retirement on the body mass index (BMI) and BMI-defined overweight and obesity. Methods Between 2012 and 2015, this study included 88,471 public sector participants from the Chinese Hypertension Survey (CHS) while excluding those working in the private sector. By utilizing the fuzzy regression discontinuity design (FRDD), this research evaluated the direct impact of retirement on the BMI, as well as on the overweight and obesity rates. Additionally, the study examined variations in the effects of retirement among groups stratified by sex and educational attainment. Results The fully adjusted model suggested that retirement did not have a significant impact on the BMI or overweight and obesity rates of the overall population. Notably, retirement significantly impacted the male participants, resulting in an increase in their BMI of 2.18 (95% CI 0.23–4.13), but did not affect the BMI of the female participants. Furthermore, individuals with lower educational backgrounds experienced more pronounced BMI changes upon retirement. Conclusions On average, retirement has no significant impact on the BMI and overweight and obesity rates. Retirement leads to an increase in the BMI among men but does not affect that in women. When considering adjustments to existing retirement policies, the differential health effects of retirement across various populations should be taken into account.https://doi.org/10.1186/s12889-024-21044-0RetirementHealth impactBMIRegression discontinuity design |
| spellingShingle | Jiarun Mi Xueyan Han Hanchao Cheng Zhaoyang Pan Jian Guo Hailu Zhu Qi Wang Yicong Wang Yuanli Liu Congyi Zheng Xin Wang Xue Cao Zhen Hu Yixin Tian Zengwu Wang Tianjia Guan Effect of retirement on the body mass index in China: a nationwide study based on the regression discontinuity design BMC Public Health Retirement Health impact BMI Regression discontinuity design |
| title | Effect of retirement on the body mass index in China: a nationwide study based on the regression discontinuity design |
| title_full | Effect of retirement on the body mass index in China: a nationwide study based on the regression discontinuity design |
| title_fullStr | Effect of retirement on the body mass index in China: a nationwide study based on the regression discontinuity design |
| title_full_unstemmed | Effect of retirement on the body mass index in China: a nationwide study based on the regression discontinuity design |
| title_short | Effect of retirement on the body mass index in China: a nationwide study based on the regression discontinuity design |
| title_sort | effect of retirement on the body mass index in china a nationwide study based on the regression discontinuity design |
| topic | Retirement Health impact BMI Regression discontinuity design |
| url | https://doi.org/10.1186/s12889-024-21044-0 |
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