Effect of weight history on ability to lose weight after a 6-month randomized controlled weight loss trial in overweight breast cancer survivors: The Lifestyle, Exercise and Nutrition (LEAN) study.
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174 Background: Because obesity portends a higher risk of breast cancer mortality, achieving a healthy weight is recommended for breast cancer survivors. The impact of weight history on the ability to lose weight is unclear. We previously reported a 6.2 + 0.7% vs. 2.1 + 0.9% weight loss (p = .0003) in 100 breast cancer survivors randomized to a 6-month weight loss intervention vs. usual care. We examined whether weight history modified the effect of the intervention on body weight changes. Methods: Breast cancer survivors with a BMI > 25 kg/m 2 were randomized to usual care or 6-month, 11-session diet and exercise-counseling intervention. Baseline and 6 month weight and height were measured; weight at ages 18 and 35, 5 years and 1 year before and at diagnosis were self-reported. We defined weight history as: 1) change in weight between each time point and baseline; and 2) duration of obesity (i.e., number of years of having a BMI > 30 between age 18 and baseline). Generalized linear models were used to evaluate mean changes at 6 months between the intervention and usual care groups, adjusted and stratified by weight history variables. Results: Mean age and time since diagnosis were 59 + 7 years and 2.9 + 2.1 years, respectively. BMI increased over time (age 18 BMI = 21.8 + 2.9; baseline BMI = 32.4 + 6.5). Number of years being obese was 5.3 + 8.2 years (range 0-40 years). BMI at baseline, change in BMI from various time points to baseline, and years of obesity did not modify weight loss results. After adjusting for weight history, women randomized to intervention vs. usual care lost 6.1 + 0.7% vs. 2.0 + 0.9%, p = .0006, respectively. Conclusions: Participants reported a history of steady weight gain over time. The duration of obesity did not modify weight loss results. Weight history did not hinder survivors’ ability to lose clinically meaningful weight via a structured intervention.Keywords:
Weight change
Abstract Background Childhood obesity is rising rapidly in many countries. Preadolescents appear to be at particularly high risk. This study estimated the prevalence of overweight and obesity in preadolescent schoolchildren in Galicia, Spain. Methods The heights and weights of a random sample of 2305 Galician schoolchildren aged 10–12 years were measured using calibrated standardized scales and measures. Overweight and obesity were identified using the criteria of the International Obesity Task Force. Results The prevalences of obesity and overweight were respectively 9.2% and 31.0% among boys, 8.6% and 28.8% among girls and 8.9% and 29.9% overall. Taking boys and girls together, the combined prevalence of overweight and obesity fell significantly with increasing age. Overweight was more prevalent in rural than urban areas (30.7% vs. 28.4%), as also was obesity (9.8% vs. 7.2%). Conclusions Our study evidences the emergence of the obesity epidemic among preadolescents in Galicia, especially in rural areas. Both overweight and obesity in this age group are more prevalent in Galicia than in other areas of Spain or most other Western nations.
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Objective To study the prevalence of overweight and obesity among primary school students in Kai fu District in Changsha and provide the scientific evidence for prevention and control of obesity in students.Method 4140 students aged 7 to 12 years in Kaifu District in Changsha were randomly selected,and overweight and obesity was assessed by the method of body mass index(BMI). Results The prevalence rates of overweight and obesity were 9.76% and 7.39%.Among the males and females,the rates were 12.31% and 6.84% for overweight while 9.37% and 5.13% for obesity,respectively.The rates of overweight and obesity for males were higher than those for females.Conclusion The prevalence of overweight and obesity among pupils is at a high level and higher prevalence rate is found in the boys.It is important to develop early measures to prevent and control childhood overweight and obesity.
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The aim of this study was to determine the prevalence of overweight and obesity in Saudi children from different provinces of the country and in different age groups. A total of 12 701 children (6281 boys and 6420 girls) with ages ranging from 1 to 18 years were enrolled during a household screening programme in different provinces of Saudi Arabia and height and weight were recorded. Body Mass Index (BMI) was calculated and applying age and sex specific cut‐off points for BMI the children were grouped into overweight and obese. The overall prevalence of overweight was 10.68 and 12.7 per cent and that of obesity was 5.98 and 6.74 per cent in the boys and girls, respectively. In the different provinces the prevalence of overweight ranged from 8.8 to 27.4 per cent and from 9.3 to 27.6 per cent and obesity ranged from 4.7 to 10.4 per cent and from 4.3 to 13.8 per cent in the boys and girls, respectively. Prevalence of overweight and obesity was also calculated after grouping the children into 17 groups according to age. It is concluded that overweight and obesity occur in all provinces of Saudi Arabia although at a variable prevalence. In general, girls have a higher prevalence of both overweight and obesity compared with boys. Eastern province children have the highest prevalence and the Southern province children have the lowest prevalence of overweight and obesity. When grouped according to age, overweight and obesity tend to increase with age. Suggestions are made to prevent overweight and obesity development in Saudi children.
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The purpose of this study was to describe the prevalence of overweight and obesity on 400 employees (211 women and 189 men) from the Federal University in Santa Catarina, Brasil. The sample was randomly selected according to 5 age groups (≤29, 30-39, 40-49, 50-59,≥60) and sex. Body mass index (BMI) was utilized to determine overweight and obesity according to the cut-off points suggested by WHO (1990) (overweight BMI from 25 to 29,9 kg/m2 and obesity BMI ≥30 kg/m2). The data showed a total prevalence of overweight and obesity in 48.7% of men and 39.8% of women. In both sexes the higher percentage of overweight employees occurred on the 50-59 age group. Obesity tended to increase until age 40-49 on the male group and for females a tendency to increase until age 50-59 years. In conclusion: it was possible to detect a higher prevalence of overweight and obesity on these male employee groups compared to a national study done in 1989, where it was found a total prevalence of overweight and obesity on 39.4% in females and 29% for males. From this point there is a necessity to improve physical activity programms and to get adherence mainly from the male group that seems to be in a higher health risk. Table
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Objective To study the prevalence of body overweight and obesity in Shanxi province's adults and its distribution in age, sex and economic development status. MethodsA total of 7229 adults from the 2002 China National Nutrition and Health Survey of Shanxi province's database were analyzed. The criteria in the Guidelines for Prevention and Control of Overweight and Obesity in Chinese Adults were applied to those aged 18～60 years. ResultsThe overall prevalence was 26.2% for overweight and 6.9% for obesity. The prevalence of overweight and obesity in male were 25.8% and 5.4%, and the prevalence of overweight and obesity in female were 26.5% and 7.9%. The prevalence rates of obesity were significantly higher in female than in male. The prevalence rates of overweight and obesity were different among age groups and economic development status. ConclusionOverweight and obesity had become prevalent in Shanxi province's adults, and obesity might continue to increase in future. As the economy's progress, prevention and control of the overweight and obesity should be urgently needed.
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Background: As such, obesity and overweight have both been described as anomalous accumulation of excessive body fat which may be harmful to health. Obesity is one of the most prominent problems imminent among all societies, particularly in developing countries. Often these conditions lead to complications such as hypertension, diabetes, cardiovascular diseases and if not treated timely, death. The objective of the study was to assess the prevalence of overweight and obesity amongst school children of Bangalore and to study the association of age and gender with overweight and obesity amongst school children of Bangalore.Methods: School based cross sectional study was conducted at B.G.S International school, from August to December 2017. Students aged 6 to 16, who were present during the survey, were included in the study.Results: Overall, the prevalence of overweight and obesity among the students were 7.09% and 4.08%. The prevalence of overweight and obesity amongst boys were 3.19% and 2.04%. The prevalence of overweight and obesity amongst girls were 3.90% and 2.04%.Conclusions: Integrating physical activity and nutrition education in school curriculum at all levels will play a great part in decreasing the prevalence of obesity and overweight.
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To examine relevant differences in the prevalence of overweight and obesity in children aged 2-15 years according to different sets of criteria (Orbegozo Foundation, International Obesity Task Force and World Health Organization), and how their use affects the trends in obesity recorded for both sexes between 1995 and 2011 in Spain.Cross-sectional study, a population between 2 and 15 years. Three diagnosis criteria of overweight and obesity were be used.The boys according to the three criteria, showed higher values of overweight and obesity compared to the girls. The lowest levels of overweight and obesity were observed using the Orbegozo tables.The prevalence of overweight and obesity varies significantly according to the criteria used to define overweight and obesity. The percentiles of the Foundation Orbegozo gave the lowest estimates and the standards of growth of the World Health Organization were higher.
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The obesity has become a global epidemic. Therefore, the prevalence of overweight and obesity among the Meitei adolescent in Manipur has been studied. A cross- sectional study of 540 subjects was done during November 2009 to August 2010 in the urban area of Imphal, Manipur. Data on height and body weight were collected. Body mass index (BMI) for each subject was calculated. Prevalence of overweight and obesity are evaluated using both the Asian cut-off point and WHO International standard. Overweight (5.46%) and obesity (1.17%) among boys and overweight (6.69%) and obesity (0.36%) among girls are reported when assessment is done by using Asian cut-off point. When the BMI was assessed according to the WHO standard, 3.12 percentof boys and 3.87 percent girls are found to be overweight. The present study shows an increase in the prevalence of overweight and obesity among the Meitei adolescent. The possible reason could be changes in dietary intake and an increasingly sedentary lifestyle.
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Some studies of women’s health show that the risk of overweight, obesity and non-communicable chronic diseases often appear in middle-aged, instead of maintaining the right weight, many women suffer obesity in this age group. Therefore, this study was conducted to determine the prevalence of overweight, obesity and related factors among women aged 40-59 years in Cang Long district, Tra Vinh province. The study uses multivariate analysis and descriptive methods for cross-sectional data of 531 women. The results of overweight and obesity are 26.7% and 4.3% respectively. The study found a statistically significant correlation between overweight and obesity with a number of factors. To be specific, women with higher education levels have the lower rate of overweight and obesity (p <0,01) and family history is also related to overweight and obesity (p <0,001), while the use of ≥ 4 units/day (abuse) will increase the higher rate of overweight and obesity than the group use less/no (p <0,001). The consumption of fruits ≥ 3 units/day has the rate of overweight, obesity higher than the consumption group < 2 units (p= 0,02). The group of women who have regular physical activity with moderate intensity has lower ratio of overweight, obesity than the irregular group (p= 0,006).
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