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Gender Differences in Body Build and Physiological Functions in the Adult Population of Yucatan, Mexico

A. Siniarska

Puni tekst: engleski pdf 540 Kb

str. 101-120

preuzimanja: 568



This study, conducted in 1994–95, evaluates differences in body build, blood pressure and respiratory functions between sexes and age groups of low socioeconomic strata individuals living in Merida, Yucatan, Mexico. The cross-sectional sample includes 344 males and 320 females, 20–98 years of age divided into six age groups (20–29, 30–39, 40–49, 50–59, 60–69 and 70+ years) by sex. Differences between age cohorts in height, weight, fatness, systolic blood pressure, and most respiratory variables (excluding expiratory reserve volume, minute ventilation and respiration rate) are greater among women than in men. The more marked secular trend in stature and bigger biological differences between age cohorts in women might have its beginning in 19th century when living conditions of women were worse than those of men. Only since the last decades of 20th century, migrations and improvements in living conditions might caused more drastic changes in women of low social strata than in men. Results of regression analysis show a greater relationship between studied variables in women than in men what confirms that women are less sensitive to environmental factors. A pattern of changes in minute ventilation (MV) with rising age of the cohorts differs between men and women (smaller differences appear in the women’s cohort) Also a different pattern (MV) is seen in European populations. The latter may suggest existence of some adaptational phenomena to the local environment.

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