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Archives of Osteoporosis

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01-12-2018 | Original Article

Bone mineral density, vitamin D status, and calcium intake in healthy female university students from different socioeconomic groups in Turkey

Authors: Betül Ersoy, Deniz Özalp Kizilay, Seniha Kiremitci Yilmaz, Fatma Taneli, Gül Gümüşer

Published in: Archives of Osteoporosis | Issue 1/2018

Abstract

Summary

Peak bone mass is reached in late adolescence. Low peak bone mass is a well recognized risk factor for osteoporosis later in life. Our data do not support a link between vitamin D status, bone mineral density (BMD), and socioeconomic status (SES). However, there was a marked inadequacy of daily calcium intake and a high presence of osteopenia in females with low SES.

Purpose

Our aims were to (1) examine the effects of different SES on BMD, vitamin D status, and daily calcium intake and (2) investigate any association between vitamin D status and BMD in female university students.

Subjects and methods

A questionnaire was used to obtain information about SES, daily calcium intake, and physical activity in 138 healthy, female university students (age range 18–22 years). Subjects were stratified into lower, middle, and higher SES according to the educational and occupational levels of their parents. All serum samples were collected in spring for 25-hydroxyvitamin D concentration (25OHD). Lumbar spine and total body BMD was obtained by dual-energy X-ray absorptiometry (DXA) scan (Lunar DPX series). Osteopenia was defined as a BMD between − 1.0 and − 2.5 standard deviations (SDs) below the mean for healthy young adults on lumbar spine DXA.

Results

No significant difference was found between the three socioeconomic groups in terms of serum 25OHD concentration, BMD levels, or BMD Z scores (p > 0.05). Both the daily intake of calcium was significantly lower (p = 0.02), and the frequency of osteopenia was significantly higher in girls with low SES (p = 0.02). There was no correlation between serum 25OHD concentration and calcium intake and BMD values and BMD Z scores (p > 0.05). The most important factor affecting BMD was weight (β = 0.38, p < 0.001).

Conclusions

Low SES may be associated with sub-optimal bone health and predispose to osteopenia in later life, even in female university students.

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Title: Bone mineral density, vitamin D status, and calcium intake in healthy female university students from different socioeconomic groups in Turkey
Authors: Betül Ersoy
Deniz Özalp Kizilay
Seniha Kiremitci Yilmaz
Fatma Taneli
Gül Gümüşer
Publication date: 01-12-2018
Publisher: Springer London
Published in: Archives of Osteoporosis / Issue 1/2018
Print ISSN: 1862-3522
Electronic ISSN: 1862-3514
DOI: https://doi.org/10.1007/s11657-018-0482-0

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Bone mineral density, vitamin D status, and calcium intake in healthy female university students from different socioeconomic groups in Turkey

Abstract

Summary

Purpose

Subjects and methods

Results

Conclusions

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Abstract

Summary

Purpose

Subjects and methods

Results

Conclusions

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