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Browsing by Author "Yavuz, C.M."

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    Comparison of Self-Reported and Measured Height, Weight and Bmi in Turkish University Students
    (Croatian Anthropological Society, 2020) Acar, S.; Özdemir, A.; Yavuz, C.M.; Sağır, S.; Sağır, M.; Özer, B.K.
    Accuracy and validity of self-reported height and weight, and body image satisfaction have not been yet evaluated particularly in young adult population in Turkey. The aim of the study was to establish the differences between self-re-ported and measured height and weight, and body mass index (BMI). The study was conducted on 617 university students (304 males and 313 females) aged 17–30 years from Ankara and Sivas, Turkey. Height and weight were measured and obtained by a questionnaire. From both measured and self-reported values for accuracy absolute differences were calcu-lated. BMI was calculated from both self-reported and measured height and weight values using World Health Organization (WHO) cut-offs. The results showed that mean accuracy for the overestimated height was 1.83 cm for males (Ankara 1.59 cm and Sivas 2.05 cm), and 2.42 cm for females (Ankara 2.12 cm and Sivas 2.74 cm), and for underreported weight was 0.35 kg (Ankara 0.13 kg and Sivas 0.56 kg) and –0.95 kg (Ankara 0.33 kg and Sivas 1.07 kg), respectively for males and females. Self-reported BMI >25 was 33.9% for males (Ankara 27.6% and Sivas 39.6%), and 15.7% for females (An-kara 9.9% and Sivas 16.8%), while measured BMI >25 was 38.2% in males (Ankara 30.3% and Sivas 45.3%) and 25.9% in females (Ankara 21.7% and Sivas 35.5%). In conclusion, study group tended to overestimate height but underestimate weight, therefore the self-reported weight and height studies should evaluate them more cautiously, using direct measurements or correction equations for adjustment to obtain reliable results. © 2020, Croatian Anthropological Society. All rights reserved.
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    Article
    Evaluation of Upper Arm Muscle and Fat Area of Children and Adolescents From Ankara, Turkey
    (Sciendo, 2020) Yavuz, C.M.; Özer, B.K.
    Arm anthropometry is a commonly used method for determining the nutritional status of children and adolescents. The purpose of the study is to evaluate the arm anthropometry of 1484 children and adolescents (760 boys and 724 girls) aged between 6-17 years. The sample groups are selected who are living in Ankara to establish local reference values. In order to determine upper Arm Muscle Area (AMA) and upper Arm Fat Area (AFA), height, weight, upper arm circumference and triceps skinfold thickness measurements were taken in accordance with International Biological Program (IBP) protocols. Smoothed percentiles of AMA and AFA were obtained. Body mass index was calculated with weight and height measurements (kg/m2). Fat mass (FM) and fat free mass (FFM) were measured using bio-impedance analyzer. According to the obtained results, arm muscle area values were higher in boys and arm fat area was higher in girls. In addition, sex difference in these variables increased with age. There was a high positive correlation between body mass index (BMI) and AMA, AFA. It has been found that there is a difference in AMA and AFA values for Ankara children compared to previous studies in Turkey. © 2020 Cansev Meşe Yavuz et al., published by Sciendo 2020.