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27-31 August 2019
Poznań, Poland
Europe/Warsaw timezone
programme last update: 23 August 2019
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Contribution Paper

Poznań, Poland - Morasko Kampus, room: 3.45

Body structure and age of maturation of Warsaw girls and women (9-19 years old) in 2003 and 2013.

Speakers

  • Prof. Anna SINIARSKA

Primary authors

  • Prof. Anna SINIARSKA (Faculty of Biology and Environmental Sciences, Cardinal Stefan Wyszynski University, Warsaw)

Co-authors

  • Prof. Slawomir KOZIEL (Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences)

Description

The purpose of this work was to assess changes in body structure and age of maturation of Warsaw girls during the decade 2003-2012 in relation to socio-economic factors. The material consisted of 830 girls studied in 2003 and 381 girls studied in 2012-13, aged 9-19 years. Parents and their daughters took part in the questionnaire. The family characteristics included: parental education and profession, number of children, self-assessment of physical activity, playing sports, stress at home and at work, number of daily meals. The girls were asked about the exact age at which the menarche occurred (retrospective method). Measurements included: height, weight, arm circumference, subcutaneous fat folds on arm, subscapular and abdominal. To eliminate the differences with age, “z" scores were used. T-Student, Mann-Whitney U, Chi-squared tests and ANOVA were applied. The results showed that girls examined in 2013 had greater BMI and arm circumference than girls studied in 2003. Girls examined in 2003 consumed 3 meals, while girls examined in 2013 consumed more than 3 meals a day. In 2003 girls had lower weight and smaller arm circumference in bigger families; less BMI when parents had higher education and better profession and smaller arm circumference when the level of stress was higher. In 2012 girls were taller in families where parents had better education and occupation and they had less subcutaneous fat tissue being more physically active and living in grater families. There was no relationship between socio-economic characteristics and age of maturation.