Prevalence and Secular Trends in Obesity Among Chinese Adults, 1991−2011

Mi, Ying-Jun; Zhang, Bing; Wang, Huijun; Yan, Jing; Han, Wei; Zhao, Jing; Liu, Dianwu; Tian, Qing‐Bao

doi:10.1016/j.amepre.2015.05.005

Cited by 133 publications

(106 citation statements)

References 36 publications

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“…It has been well documented internationally that higher body weight and lower levels of physical activity are associated with a greater risk of breast cancer incidence and mortality [31], and a Chinese study has also reported an association between body size, fat distribution and breast cancer incidence [32]. As a result of the increasing intake of Western style food and lack of exercise, the proportion of Chinese women who were overweight or obese increased over time from 4.6% in 1991 to 11.0% in 2011 [33]. In general, it is also likely that levels of physical activity amongst Chinese population decreased over time in the cities and more developed areas, while women in rural and less developed areas are still more likely to be undertaking more physical work than those living in more urbanized areas [34].…”

Section: Discussionmentioning

confidence: 99%

Temporal Trends in Geographical Variation in Breast Cancer Mortality in China, 1973–2005: An Analysis of Nationwide Surveys on Cause of Death

Xia

Kahn

Wang

et al. 2016

IJERPH

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To describe geographical variation in breast cancer mortality over time, we analysed breast cancer mortality data from three retrospective national surveys on causes of death in recent decades in China. We first calculated the age-standardized mortality rate (ASMR) for each of the 31 provinces in mainland China stratified by survey period (1973–1975, 1990–1992 and 2004–2005). To test whether the geographical variation in breast cancer mortality changed over time, we then estimated the rate ratio (RR) for the aggregated data for seven regions and three economic zones using generalized linear models. Finally, we examined the correlation between mortality rate and several macro-economic measures at the provincial level. We found that the overall ASMR increased from 2.98 per 100,000 in 1973–1975 to 3.08 per 100,000 in 1990–1992, and to 3.85 per 100,000 in 2004–2005. Geographical variation in breast cancer mortality also increased significantly over time at the regional level (p = 0.002) but not at the economic zone (p = 0.089) level, with RR being generally lower for Western China (Northwest and Southwest) and higher in Northeast China over the three survey periods. These temporal and spatial trends in breast cancer mortality were found to be correlated with per capita gross domestic product, number of hospitals and health centres’ beds per 10,000 population and number of practicing doctors per 10,000 population, and average number of live births for women aged 15–64. It may be necessary to target public health policies in China to address the widening geographic variation in breast cancer mortality, and to take steps to ensure that the ease of access and the quality of cancer care across the country is improved for all residents.

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Section: Discussionmentioning

confidence: 99%

Temporal Trends in Geographical Variation in Breast Cancer Mortality in China, 1973–2005: An Analysis of Nationwide Surveys on Cause of Death

Xia

Kahn

Wang

et al. 2016

IJERPH

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“…For example, the total fertility rate (average number of children born per women) has dropped tremendously from 6.1 to 1.2 over the past half century; this is mainly attributed to the implementation of a nationwide family planning program in China [8]. Other changes, such as an increasing prevalence of obesity, an earlier age at menarche, a later age at menopause, and an increasing number of lifetime sexual partners, also likely contribute to the burden of gynecological cancers in China [9]. Assessment of trends in cancer incidence and mortality is of the utmost importance to cancer control and public health planning.…”

Section: Introductionmentioning

confidence: 99%

Incidence and mortality of gynaecological cancers: Secular trends in urban Shanghai, China over 40 years

Huang

Zheng

Wen

et al. 2016

European Journal of Cancer

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Aim Appraisal of cancer trends is essential for future cancer control, but relevant studies in China are scarce due to a lack of long-term data. With 40-years of cancer registry data, we sought to evaluate secular time trends in incidence and mortality of gynecological cancers in an urban Chinese population. Materials and methods Data on incidence and mortality of invasive cervical, uterine and ovarian cancer were collected by the Shanghai Cancer Registry. Age-standardized incidence and mortality rates were calculated for women aged 20–84 in urban Shanghai between 1973 and 2012. Age-period-cohort Poisson regression models were used to evaluate age, period and cohort effects. Overall linear trends, interpreted as the estimated annual percentage change (EAPC), were derived from the net drift in age-drift models. Results Overall, cervical cancer incidence and mortality substantially decreased (EAPC=−4.5% and −5.5%, respectively); however, an upward trend was apparent among younger women (age<60). Uterine cancer incidence increased slightly (EAPC=1.8%), while mortality decreased over time (EAPC=−2.4%). Ovarian cancer incidence and mortality both increased, although the increase in incidence (EAPC=1.8%) was larger than mortality (EAPC=0.6%). While cohort effects were most evident for cervical cancer incidence and mortality, significant age, period, and cohort effects were found for all three gynecological cancers evaluated. Conclusions These secular trends in incidence and mortality of gynecological cancers in Shanghai likely reflect changing risk factor profiles and improved cancer prognosis over time, and suggest new priorities and call for additional efforts for gynecological cancer prevention and control for women in China.

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“…According to the 2011 China Health and Nutrition Survey, the age-adjusted overall prevalence of obesity approximately tripled from 3.75% in 1991 to 11.3% in 2011. 8 Previous studies have shown a strong relationship between long-term weight gain and risk of MetS, the person who gained weight since early adulthood was at an increased risk of MetS, as compared to those who maintained a stable weight. But these findings were based on Western or Japanese populations.…”

Section: Introductionmentioning

confidence: 97%

Relations of body weight status in early adulthood and weight changes until middle age with metabolic syndrome in the Chinese population

Zhao

Liu

Zhou

et al. 2017

Int J Community Med Public Health

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Background: The evidences for the relationship between long-term weight gain and metabolic syndrome (MetS) in Chinese population were limited. Therefore, this study aims to explore the association of body weight status in early adulthood and weight changes with MetS.Methods: Data from China Multicenter Collaborative Study of Cardiovascular Epidemiology including 12808 participants aged 35–59 were used. Participants were surveyed for cardiovascular risk factors and a self-reported weight at age 25, which was defined as early adulthood. Weight change was calculated as the difference between baseline weight and early adulthood weight. MetS was defined according to AHA/NHLBI definition in 2009. Multivariate logistic regression model was used to examine the association between early adulthood weight status, weight change and MetS.Results: Mean age of participants was 46.7 years, including 6134 men and 6674 women. The overall prevalence of MetS was 21.8%. After adjusted for age, sex and other confounding factors, both BMI at 25 age and weight gain were positively associated with the risk of MetS. Being overweight (BMI, 24–27.9 kg m-2) or obese (BMI ≥28 kg m-2) at early adulthood was related to an increased risk of MetS, the odds ratio (OR) and 95%confidence interval (CI) was 3.24 (2.82–3.72) and 13.31 (8.72–20.31). In addition, weight gain was also associated with higher risk of MetS (P for trend<0.01).Conclusions: Overweight and obesity in early adulthood and weight gain were both independently related to an increased risk of MetS in the middle-aged Chinese men and women.

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Prevalence and Secular Trends in Obesity Among Chinese Adults, 1991−2011

Cited by 133 publications

References 36 publications

Temporal Trends in Geographical Variation in Breast Cancer Mortality in China, 1973–2005: An Analysis of Nationwide Surveys on Cause of Death

Temporal Trends in Geographical Variation in Breast Cancer Mortality in China, 1973–2005: An Analysis of Nationwide Surveys on Cause of Death

Incidence and mortality of gynaecological cancers: Secular trends in urban Shanghai, China over 40 years

Relations of body weight status in early adulthood and weight changes until middle age with metabolic syndrome in the Chinese population

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