期刊
JOURNAL OF EPIDEMIOLOGY AND COMMUNITY HEALTH
卷 72, 期 6, 页码 484-490出版社
BMJ PUBLISHING GROUP
DOI: 10.1136/jech-2017-210258
关键词
epidemiology of chronic non communicable diseases; urbanisation; obesity; longitudinal studies; socio-economic
资金
- National Institute of Diabetes and Digestive and Kidney Diseases [R01- DK104371]
- National Heart, Lung, and Blood Institute [R01-HL108427]
- Eunice Kennedy Shriver National Institute of Child Health and Human Development [R01-HD30880]
- National Institute of Nutrition and Health
- China Center for Disease Control and Prevention
- NIH [DK056350, R01-HD38700]
- Fogarty NIH grant [5 D43 TW009077]
- Carolina Population Center [P2C HD050924]
- University of North Carolina at Chapel Hill
Background Little attention has been paid to how the association between urbanisation and abdominal adiposity changes over the course of economic development in low-income and middle-income countries. Methods Data came from the China Health and Nutrition Survey waves 1993-2011 (seven waves). A mixed linear model was used to investigate the association between community-level urbanisation with waist-to-height ratio (WHtR; an indicator of abdominal adiposity). We incorporated interaction terms between urbanisation and study waves to understand how the association changed over time. The analyses were stratified by age (children vs adults). Results Adult WHtR was positively associated with urbanisation in earlier waves but became inversely associated over time. More specifically, a 1 SD increase in the urbanisation index was associated with higher WHtR by 0.002 and 0.005 in waves 1993 and 1997, while it was associated with lower WHtR by 0.001 in 2011. Among child participants, the increase in WHtR over time was predominantly observed in more urbanised communities. Conclusion Our study suggests a shift in adult abdominal adiposity from more urbanised communities to less urbanised communities over a time of rapid economic development in China. Children living in more urbanised communities had higher increase in abdominal obesity with urbanisation over time relative to children living in less urbanised communities.
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