Changes in the BMI of Polish conscripts between 1965 and 2001: secular and socio-occupational variation

Aim: To evaluate changes in the body mass index (BMI) of young Brazilian men in two regions of Brazil at opposing socioeconomic extremes in order to determine whether the changes in BMI distribution had different patterns over two decades. Methods: We selected a sample of 6,706,386 males as the study population, aged 18 years, from individuals that were conscripted into the army from 1980 to 2005. The percentiles of the BMI distribution from 1980 to 2005 were calculated. For each percentile, the slope of a linear regression curve was tested for increases or decreases over time (p < 0.05). Results: The secular trends in BMI showed the largest increases at the upper ends of the distributions. However, the lower values of the percentiles in both regions did not change over time. The 10th percentile for the southeast region and the 20th percentile in the northeast did not change. Conclusion: No significant differences in the lower percentile values were found for the BMI distribution of young Brazilian males during the period 1980–2005, suggesting that around 10% of young Brazilian males living in the most developed regions, such as the southeast, are protected against obesity.

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“…These findings are in accordance with trends in overweight and obesity observed in other industrialized countries [15,16]. …”

Section: Discussionsupporting

confidence: 81%

Changes of Body Mass Index among Young Men in Brazil over Two Decades

2011

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“…The changes in BMI observed over the last 45 years in Poland clearly show that diametric changes in lifestyle took place in the latter half of the 1990s. This coincided with the beginning of the political and economic transformation in Poland, during which the entire economic structure of the country was restructured (Kozieł et al 2006).…”

Section: Discussionmentioning

confidence: 99%

Secular trends in body height and body mass in 19‐year‐old polish men based on six national surveys from 1965 to 2010

Kołodziej

Łopuszańska

Lipowicz

et al. 2015

American J Hum Biol

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The trend of body size and stature increase within the Polish population, although decelerating, remained positive and steady during the last 45 years. No significant impact of the past half-century's socioeconomic crises was observed in these measures of growth. We concluded that during the economic crises some effective mechanism protecting the living conditions of the children and youth were operating within the population.

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“…This problem has intensified over time: the number of people who are overweight or obese has clearly increased over consecutive age groups (Krawczyński et al 2003, Dollman and Pilgrim 2005, Kozieł et al 2006, O'Neill et al 2007, Olds 2009Kaczmarek et al 2015). These problems affect younger children, adolescents and adults in developed and developing countries as well (Kalies et al 2002, WHO 2003, Branca et al 2007, Rodrigo 2013, Gomuła at.al.…”

Section: Introductionmentioning

confidence: 99%

The frequency of overweight and obesity occurrence among Polish children (age 6–7 years) in relation to the place of residence, the education level of parents and the number children in the family

Markowska

Przychodni

Nowak-Starz

et al. 2017

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This study sought to evaluate the number of those overweight and the rate of obesity among 6-and 7-year-olds living in Poland with regard to their place of residence, the parental level of education and the number of children in the family. The analysis was based on a survey of 64 544 children (33 051 boys and 31 493 girls) living in Poland. Overweight and obesity were defined based on body mass index (BMI) using the IOTF cut-off points. To evaluate the rates of overweight and obesity occurrence in children with regard to family socio-economic status, parental level of education, the number of children in the family, and the place of residence (divided into city and village) was used. 'Only children' were the most likely group to be overweight or obese. These children were twice as likely to be obese as their peers living in families with four or more children. Overweight and obesity occurred more often amongst children living in cities rather than those living in rural areas. Moreover, these conditions were more frequent among children whose parents had higher levels of education. The most significant predictors of childhood overweight and obesity were the number of children in the family and the educational level of the mother.

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Changes in the BMI of Polish conscripts between 1965 and 2001: secular and socio-occupational variation

Cited by 28 publications

References 17 publications

Changes of Body Mass Index among Young Men in Brazil over Two Decades

Changes of Body Mass Index among Young Men in Brazil over Two Decades

Secular trends in body height and body mass in 19‐year‐old polish men based on six national surveys from 1965 to 2010

The frequency of overweight and obesity occurrence among Polish children (age 6–7 years) in relation to the place of residence, the education level of parents and the number children in the family

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