Browsing by Author "Gunay T."

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    Effects of different socioeconomic conditions on menarche in Turkish female students
    (Elsevier Ireland Ltd, 2004) Ersoy B.; Balkan C.; Gunay T.; Onag A.; Egemen A.
    Purpose: The aim of this study was to determine the age at menarche, the menarcheal features, and the association between menarcheal age and socioeconomic status in an urban area in Turkey. In addition, we tried to assess whether there is a relationship between age at menarche and body composition. Methods: We asked some questions about menarche of 1017 female adolescent students in the high schools of Manisa region. Height and weight were measured. The body mass index (BMI; kg/m2) was used as an index of relative weight. Adolescent girls were grouped into three socioeconomic status according to the educational and occupational levels of their parents. The age at menarche and the menarcheal pattern were evaluated according to the socioeconomic status. Results: The ages of girls involved in the study ranged between 14 and 18 years, with a mean of 15.7±1.1 years. Although the menarcheal age was found to be lower in girls with higher socioeconomic status, there was no significant difference between the three different socioeconomic status. In all of the three groups, menarche was more common in summer and fall than in spring and winter. Although the mother was an important source of knowledge in all groups, it was significantly more important in the group with high socioeconomic status. Adolescent girls with low socioeconomic status had fewer premenstrual complaints. However, there was no significant difference between the groups. We found an inverse correlation between menarcheal age and postmenarcheal weight and the BMI (r=-0.14, p=0.000). However, there was no correlation between menarcheal age and postmenarcheal height. Conclusion: These results indicate that as the social status differences decrease, the difference observed in menarcheal age and pattern disappears in urban areas of developing countries. Menarcheal age may be an indicator of socioeconomic development. It does not influence postmenarcheal height; however, as menarcheal age decreases, BMI increases. © 2003 Elsevier Ireland Ltd. All rights reserved.
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    The factors affecting the relation between the menarcheal age of mother and daughter
    (2005) Ersoy B.; Balkan C.; Gunay T.; Egemen A.
    Background: Menarche is one of the most important biologic signals in the life of a woman. Menarche is a biological variable which has a significant genotypic component in girls. In recent years, many studies reporting the earlier onset of menarche owing to the improvement of socio-economic conditions have been published. Design: We asked some questions about menarche to 1017 female students studying in the high schools of Manisa region in order to determine the menarcheal age and the correlation of menarcheal age between the mothers and daughters in our region. Results: The mean age at menarche for the girls was 12.82 ± 1.07 years and for the mothers was 13.6 ± 1.39 years. The mean menarcheal age of the mothers was higher than the mean menarcheal age of the girls (P < 0.001). This difference persisted independent of the socio-economic status, nutritional state and physical activity of the girls. There was a significant correlation between the menarcheal age of the girls and their mothers (r = 0.262, P < 0.001). This correlation existed in all the girls with different socio-economic status, nutritional state and physical activity. However, this correlation disappeared in girls with body mass index (BMI) > 25 (r = 0.04, P = 0.813). In girls with BMI < 25, there was a correlation between the menarcheal age of the girls and mothers (r = 0.282, P < 0.001). Conclusion: These results suggest that the menarche occurs earlier in the daughters than their mothers. The correlation between the menarcheal age of the girls and their mothers persists under all circumstances except in obesity. The mother's menarcheal age is a good predictor of the daughter's menarcheal age in non-obese girls and the BMI is an important factor. © 2005 Blackwell Publishing Ltd.
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    Interaction of two public health problems in Turkish schoolchildren: Nutritional deficiencies and goitre
    (2006) Ersoy B.; Günes H.S.; Gunay T.; Yilmaz O.; Kasirga E.; Egemen A.
    Objective: The aim of the present study was to determine the interaction of and association between frequency of goitre detected by palpation, nutritional status evaluated by anthropometric indices and socio-economic status in school-aged children. Subjects: One thousand and eighteen prepubertal and pubertal children (aged 6-14 years) attending primary schools in an urban area were included in this study. Design and setting: All subjects were evaluated for the presence of goitre and nutritional status. Thyroid size was assessed using the World Health Organization's (WHO) palpation system (1960). Severity of protein-energy malnutrition (PEM) was based on WHO criteria. Children were grouped into four categories of socio-economic status. Results: Eight per cent of children were detected to have goitre by palpation. Body mass index and weight-for-height were significantly lower in children who had palpable goitre than in children who did not have goitre (P < 0.05). Frequencies of having palpable goitre and being stunted and underweight were especially higher in children with very low socio-economic status (P = 0.016, 0.01 and 0.01, respectively). Frequency of being stunted, underweight and wasted in children with palpable goitre did not change significantly according to socio-economic status (P > 0.05). In logistic regression analyses, the most important factor in detection of palpable goitre was socio-economic status (B = 0.517, P = 0.004). Fathers' education and occupation were found to be most significant (P = 0.031 and 0.020, respectively). Conclusion: Children detected to have palpable goitre were thinner. However, nutritional disorders were not more frequent among children with palpable goitre compared with children without goitre. Goitre and nutritional deficiencies were more common in children with lower socio-economic status but the frequency of nutritional disorders in children with palpable goitre did not change according to socio-economic status. © The Authors 2006.
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    Interactions of thyroid hormones; Insulin-like growth factor-1 (IGF-1), igf binding proteins, and nutritional anthropometric parameters in school children with goiter detected by palpation
    (2009) Ersoy B.; Gunes H.S.; Uyanik B.S.; Taneli F.; Gunay T.
    Aim: In the present study we evaluated anthropometric indices, serum thyroid hormones, insulin-like growth factor-1 (IGF-1) and IGF- binding proteins (IGFBPs) levels, in children who has palpable goiter at endemic population. We aimed to 1) compare children with palpable goiter with healthy peers, 2) detect interaction of anthropometric indices, serum thyroid hormones, IGF-1 and IGFBPs parameters in both groups 3) evaluate the effects of their nutritional status to these parameters. Subjects and Methods: We performed goiter palpation to 1018 child and found goiter at 81 child. Seventy-three pubertal children were included in this study. Seventy-five healthy children were defined as the control group. Weight and height of all children were measured. Thyroid hormone levels, IGF-1, IGFBP-3, and IGFBP-1 were assessed in both groups. Results: Height and weight SDS were significantly lower in children who had goiter by palpation than healthy peers (p<0.05). Free T4 (FT4) levels were significantly higher in control group than children with palpable goiter (p<0.05). IGF-1 level and IGF-1 SDS were significantly lower in children with palpable goiter (p<0.001), IGFBP3 and IGFBP1 levels were not significantly different between the two groups (p>0.05). Serum IGF-1 and IGFBP-3 levels were significantly lower (p<0.05) in underweight children with goiter than normal weight group. In the presence of goiter, IGF-1 levels were lower (B: 0.97, 95% CI: 0.960.98, p<0.001). Conclusion: In endemic areas, children with palpable goiter were shorter and thinner than the healthy peers. Thyroid hormones were between the reference ranges. In children with palpable goiter, IGF-1 levels were lower and IGFBP-3 and IGFBP-1 levels were not different from the healthy control group. However, at the presence of goiter IGF-1 levels decrease. This decrease can be the result of insufficient nutrition and result in short stature and weakness than their healthy peers. © Georg Thieme Verlag KG Stuttgart, New York.