Volume 5, Issue 3 (Autumn 2015)                   PTJ 2015, 5(3): 153-162 | Back to browse issues page

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Ghasemi S, Sadeghi H, Basiri Z, Tahammoli Roudsari A. Relationship of Weight and Body Mass Index with Femur and Lumbar Vertebrae Bone Mineral Density and Content in Premenopausal Women . PTJ 2015; 5 (3) :153-162
URL: http://ptj.uswr.ac.ir/article-1-263-en.html
1- Department of Physical Education, Faculty of Physical Education and Sport Science, Kharazmi University, Tehran, Iran.
2- Department of Internal Medicine, School of Medicine, Hamedan University of Medical Sciences, Hamedan, Iran.
Abstract:   (3611 Views)

Purpose: Given that weight and body mass index (BMI) are considered as modifiable factors in osteoporosis, the present study aimed to examine the relationship of weight and BMI with bone mineral density (BMD) and bone mineral content (BMC) at the femur and lumbar vertebrae in perimenopausal women.

Methods: In this descriptive-correlational study, we measured the bone density of the femur and lumbar vertebrae (L1-L4) of 40 women in perimenopause stage (Mean±SD age: 42.85±1.86 years; Mean±SD weight: 69.55±10.97 kg; Mean±SD height: 159.42±6.01 cm; and Mean±SD BMI: 27.60±4.04 kg/m2) using a bone densitometry system. The study data were analyzed using descriptive statistics, analysis of variance (ANOVA), the Pearson correlation coefficient, and regression analysis, at 0.05 significance level. All analyses were performed using SPSS v. 21.

Results: Women in the normal group were significantly different from women in the obese group with regard to BMD and BMC (P=0.001). Weight and BMI were positively correlated with BMD and BMC. Weight and BMI, together, could explain 42% and 37% of the variance of BMD and BMC at the lumbar vertebrae, respectively; and 70% and 63% of the variance of BMD and BMC at the total hip, respectively.

Conclusion: The results of the present study support the predictive role of weight and BMI in BMD and BMC. Therefore, future studies are suggested to examine other effective factors with larger samples.

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Type of Study: Research | Subject: Special
Received: 2015/02/20 | Accepted: 2015/07/29 | Published: 2015/10/1

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