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Prevalence and associated factors of overweight and obesity among schoolchildren in Hanoi, Vietnam.

ABSTRACT: BACKGROUND:The prevalence of overweight and obesity (OW/OB) has increased rapidly in Vietnam. This study aimed to elucidate the factors influencing OW/OB among secondary schoolchildren. METHOD:A survey was conducted in January 2014 in four randomly selected state schools in two Hanoi urban districts, and 821 students in grade six (11-12?years old) participated. Definitions of OW/OB followed the World Health Organization standard cut-offs. RESULTS:Overall, 4.1% of children were underweight, 59.7% were normal weight, 17.1% were overweight, and 19.1% were obese. The odds of OW/OB were lowest among children whose parents had college/university degrees [father (aOR =0.65, 95% CI: 0.42-1.00); mother (aOR =0.63, 95% CI: 0.41-0.97)] compared with those whose parents had only a primary education. Children with an OW/OB family history had an increased risk of OW/OB. Other associated factors include parental OW/OB and birth weight (BW). The odds of OW/OB were highest among children with parents with OW/OB [father (aOR =2.022, 95% CI: 1.34-3.04); mother (aOR =2.83, 95% CI: 1.51-5.30)] compared with those with normal-weight parents. Children with both parents having OW/OB [both parents (aOR =6.59, 95% CI: 1.28-33.87) had the highest risk, followed by one parent (aOR =2.22, 95% CI: 1.50-3.27)] and then neither parent having OW/OB. Moreover, high-birth-weight children [BW???3500?g (aOR =1.52, 95% CI: 1.07-2.15)] had greater odds than did normal-birth-weight children. Children who slept 11?h per day [8-11?h (aOR =0.57, 95% CI: 0.40-0.81) or more (aOR =0.44, 95% CI: 0.22-0.87)] had lower OW/OB odds than those who slept 8?h or less. Children with specific positive lifestyle behaviours had lower risk of OW/OB than those who did not engage in positive lifestyle behaviours. The odds were lower among children who exercised for weight reduction (OR?=?0.16, 95% CI: 0.11-0.23), lowered food intake (aOR?=?0.12, 95% CI: 0.09-0.17), and added vegetables to their diet (aOR?=?0.26, 95% CI: 0.19-0.35). CONCLUSION:The results suggest that parents and children with OW/OB parents or a high BW should be educated to prevent OW/OB at an early stage. Positive lifestyle behaviours should be adopted by the students.

SUBMITTER: Pham TTP

PROVIDER: S-EPMC6839165 | biostudies-literature | 2019 Nov

REPOSITORIES: biostudies-literature

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Prevalence and associated factors of overweight and obesity among schoolchildren in Hanoi, Vietnam.

Pham Thuy Thi Phuong TTP Matsushita Yumi Y Dinh Lien Thi Kim LTK Do Thanh Van TV Nguyen Thanh Thi The TTT Bui Anh Tuan AT Nguyen Anh Quoc AQ Kajio Hiroshi H

BMC public health 20191108 1

<h4>Background</h4>The prevalence of overweight and obesity (OW/OB) has increased rapidly in Vietnam. This study aimed to elucidate the factors influencing OW/OB among secondary schoolchildren.<h4>Method</h4>A survey was conducted in January 2014 in four randomly selected state schools in two Hanoi urban districts, and 821 students in grade six (11-12 years old) participated. Definitions of OW/OB followed the World Health Organization standard cut-offs.<h4>Results</h4>Overall, 4.1% of children w ...[more]

PMID: 31703653

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Project description:ObjectivesThe purpose of this study is to assess the prevalence of overweight/obesity, abdominal obesity and obesity-related risk factors in southern China.MethodsA cross-sectional survey of 15,364 participants aged 15 years and older was conducted from November 2013 to August 2014 in Jiangxi Province, China, using questionnaire forms and physical measurements. The physical measurements included body height, weight, waist circumference (WC), body fat percentage (BFP) and visceral adipose index (VAI). Multivariate logistic regression analysis was performed to evaluate the risk factors for overweight/obesity and abdominal obesity.ResultsThe prevalence of overweight was 25.8% (25.9% in males and 25.7% in females), while that of obesity was 7.9% (8.4% in males and 7.6% in females). The prevalence of abdominal obesity was 10.2% (8.6% in males and 11.3% in females). The prevalence of overweight/obesity was 37.1% in urban residents and 30.2% in rural residents, and this difference was significant (P < 0.001). Urban residents had a significantly higher prevalence of abdominal obesity than rural residents (11.6% vs 8.7%, P < 0.001). Among the participants with an underweight/normal body mass index (BMI), 1.3% still had abdominal obesity, 16.1% had a high BFP and 1.0% had a high VAI. Moreover, among obese participants, 9.7% had a low /normal WC, 0.8% had a normal BFP and 15.9% had a normal VAI. Meanwhile, the partial correlation analysis indicated that the correlation coefficients between VAI and BMI, VAI and WC, and BMI and WC were 0.700, 0.666, and 0.721, respectively. A multivariate logistic regression analysis indicated that being female and having a high BFP and a high VAI were significantly associated with an increased risk of overweight/obesity and abdominal obesity. In addition, living in an urban area and older age correlated with overweight/obesity.ConclusionThis study revealed that obesity and abdominal obesity, which differed by gender and age, are epidemic in southern China. Moreover, there was a very high, significant, positive correlation between WC, BMI and VAI. However, further studies are needed to explore which indicator of body fat could be used as the best marker to indirectly reflect cardiometabolic risk.

Project description:BACKGROUND:A global epidemic of obesity has been documented, particularly among African countries. While central obesity and overweight have been reported for many countries, very limited information exists about the prevalence of these health problems in Sudan, and these data are nonexistent for Eastern Sudan. The present study aimed to determine the prevalence of obesity and central obesity, as well as the factors associated with both, among adults in Gadarif, Eastern Sudan. METHODS:A cross-sectional study was conducted in Gadarif, Eastern Sudan, during the period of January through May 2018. Sociodemographic and health characteristics data were collected through a questionnaire. Body mass index (BMI) and waist circumference (WC) were measured using the standard methods. Both descriptive and inferential statics were applied to analyze the data. RESULTS:A total of 594 adults participated in the study; 70.4% of them were female. The mean (standard deviation) age was 44.98 (16.64) years. Of the 594 enrolled participants, 33.7%, 7.4%, 26.8%, and 32.2% were normal weight, underweight, overweight, and obese, respectively. The prevalence of central obesity was (67.8%). Approximately, one-third of the participants (29.29%) were obese and had central obesity. In the multinomial regression, being married was the main risk factor associated with overweight, and older age, female sex, being married and hypertension were significantly associated with obesity. In the binary regression, the main risk factors associated with central obesity were female sex and being married. CONCLUSION:The prevalence rates of both obesity and central obesity among the study participants were high. Older age and hypertension were only associated with obesity. Obesity and central obesity were significantly associated with female sex and being married. This study provided valuable baseline information to develop appropriate strategies for the prevention and control of obesity in Eastern Sudan.

Project description:BackgroundKuwait is amongst countries in the Gulf region with high income economy. According to the World Health Organisation (WHO), one in five adults in the Gulf region is obese. This study sought to evaluate the prevalence and magnitude of association between overweight, obesity, central obesity, and socio-demographic factors in Kuwait.MethodsA population-based cross-sectional survey of diabetes and obesity in Kuwait - part of the Kuwait Diabetes Epidemiology Program - was conducted between 2011 and 2014, targeting adults aged 18-82 years using the WHO STEPwise approach to non-communicable disease surveillance. Body mass index (BMI) was calculated to classify overweight and obesity, and waist circumference (WC) used to express central obesity. Multivariable logistic regression was used to estimate relationships between socio-demographic factors, overweight (25.0-29.9 kg/m2), obesity (≥30.0 kg/m2) or central obesity (WC ≥ 80 cm women; WC ≥ 94 cm men).ResultsRecords for gender (56% Men), age, BMI, governorate, and nationality existed for 4901 individuals. Mean age and BMI were 43 years and 30 kg/m2, respectively. Non-Kuwaiti nationals were more prevalent than Kuwaitis (76% vs 24%). Prevalence rates for overweight, obesity and central obesity were 40.6% (95%CI: 38.4-42.8%), 42.1% (95%CI: 40.0-44.3%) and 73.7% (95%CI: 71.7-75.6%), respectively. The youngest age group (18-29 years) had rates of 38.2% (95%CI: 29.2-47.7%), 27.2% (95%CI: 19.0-36.7%) and 49.9% (95%CI: 40.6-59.1%) for overweight, obesity and central obesity, respectively. In covariate-adjusted analyses, the odds of being overweight was 26% greater for men than for women. Conversely, women had a 54% (95%CI: 19-99%) and 7-fold (95%CI, 5-10-fold) greater odds of obesity/central obesity, respectively, than men. Greater educational attainment, physical activity, and non-Kuwaiti status were associated with lower odds of obesity/central obesity. History of smoking, elevated blood pressure, higher income, being married, greater age and female sex related to greater odds of obesity/central obesity.ConclusionOverweight was greater in men, obesity greater in women. Overweight and obesity prevalence were high in young adults aged 18-29 years, a significant public health concern. Efforts to integrate mandatory physical education to the school curriculum and promoting the creation of recreation spaces/parks to promote physical activities, will play a vital role in the early prevention of overweight/obesity in Kuwait.

Dataset Information

Prevalence and associated factors of overweight and obesity among schoolchildren in Hanoi, Vietnam.

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Prevalence and associated factors of overweight and obesity among schoolchildren in Hanoi, Vietnam.

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