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Relative fat content in young women with normal BMI but differing in the degree of physical activity

100%
Sempolska K., Stupnicki R.
Roczniki Państwowego Zakładu Higieny
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2007
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tom 58
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nr 1
The aim of the study was to evaluate the relationship between BMI and relative body fat content. Three groups of women, aged 20 - 29 years and having normal BMI values, differing in the degree of practiced physical activities were studied: low activity (n = 59), medium activity (n = 46) and high activity (n = 56). Body fat content was determined by infrared photometry (FUTREX). The percentages of women with excessive fat content (over 25%) from those 3 groups significantly differed and amounted to 44, 32 and 23, respectively. It was concluded that with increasing level of physical activities the percentage of young women with an excessive body fat content, but with BMI within normal limits, decreases. Thus, BMI ought not to be used as an indicator of body composition as it does not reflect body fat content. Individual counselling should be based on both measures, BMI and relative body fat content, taken together.
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Relationship between the intake of energy and basic nutrients and the BMI values in group of children aged 10-12

80%
Pysz M., Leszczynska T., Cieslik E., Kopec A., Wielgos B., Piatkowska E.
Roczniki Państwowego Zakładu Higieny
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2014
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tom 65
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nr 4
Background. According to the WHO data in January 2007, 14 million children were overweight in the countries of the European Union. The problem of childhood obesity should be considered as one of the biggest challenges facing twentyfirst century nutrition and pediatrics. Objective. The aim of this study was to show the correlation between energy, basic nutrients intake and BMI of school children aged 10-12 years, using Pearson’s correlation coefficient. Material and Methods. 169 pupils (69 from Krakow and 100 from Skawina), aged 10-12, participated in these studies. The studies were approved by the Board of Education, school principals and the parents. On the basis of measurements of weight and height, body mass index (BMI) was calculated. 24 h dietary recalls were collected in the spring and autumn of 2006, for 4 selected days per week. Results. Intake of energy, total carbohydrate and fat did not met requirements, but intake of protein was too high. Proper weight, based on BMI values in the population aged 10-12, were found in 74.9% of boys and 81.2% of girls. Deficiencies in body weight occurred in 4.2% and 3.4%, overweight in 15.6% and 10.0% while obesity in 5.3% and 5.4% of respondents. Conclusions. Inverse correlation was found between the implementation of standards for energy and BMI values of children. It was observed positive correlation between the consumption of total and animal protein and BMI value.
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