Evaluation of 25-hydroxyvitamin D levels in obese individuals

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dc.contributor.authorKaner, Gülşah
dc.contributor.authorİnanç, Neriman
dc.contributor.authorBaşmısırlı, Eda
dc.contributor.authorÜnlühizarcı, Kürşad
dc.date.accessioned2025-02-24T16:35:52Z
dc.date.available2025-02-24T16:35:52Z
dc.date.issued2022
dc.departmentFakülteler, Sağlık Bilimleri Fakültesi, Beslenme ve Diyetetik Bölümü
dc.description.abstractAims: Although 25-hydroxyvitamin D [25(OH)D] deficiency is common, only a few studies have focused on the 25(OH)D level in obese people in Turkey. Therefore, this study assessed the relationship between 25(OH)D status and obesity in the Kayseri region in Turkey. Methods: This cross-sectional study included otherwise healthy individuals aged 20 to 49 years. Obesity was defined as body mass index (BMI) ?30. A bioelectrical impedance analyzer was used to measure the body composition. The short form of the “International Physical Activity Questionnaire” was used to assess the physical activity level. Blood 25(OH)D and parathyroid hormone (PTH) levels, dietary intake, body composition, and potential factors associated with the 25(OH)D status were determined. Results: The study included 268 adults (mean age: 31.4±9.5 years, 69.5% were women). The proportion of vitamin D deficiency (<20 ng/mL) was 84.3% and 83.5% in the obese and normalweight individuals, respectively. Obese individuals had lower 25(OH)D level [11.6 (8.1-17.9) vs. 13.5 (9.7-18.3) ng/mL, p=0.069] and higher PTH level [44 (35.0-63.0) vs. 36 (28.0-47.0) pg/mL, p<0.001] compared with their normal-weight counterparts. Dietary vitamin D and calcium intake were similar, whereas phosphorous intake was higher in the obese subjects [1052.7 (754.9-1118.4) vs. 945.7 (754.9-1118.4) mg/day p=0.015]. 25(OH)D levels correlated with BMI (p<0.001, r=-0.170), body fat mass (p<0.01, r=-0.179), and muscle mass (p<0.001, r=0.251). Conclusions: 25(OH)D deficiency is common among obese and normal-weight individuals in this large middle Anatolian city of Turkey. This study found a relationship between serum 25(OH)D levels and BMI, body fat, and muscle mass in the study sample. © 2022. by the University of Health Sciences Turkey, Gülhane Faculty of Medicine / Gülhane Medical Journal published by Galenos Publishing House
dc.description.sponsorshipTürkiye Bilimsel ve Teknolojik Araştırma Kurumu, TÜBİTAK, (114S043)
dc.identifier.doi10.4274/gulhane.galenos.2021.46036
dc.identifier.endpage158
dc.identifier.issn1302-0471
dc.identifier.issue2
dc.identifier.scopus2-s2.0-85133369865
dc.identifier.scopusqualityQ3
dc.identifier.startpage152
dc.identifier.trdizinid534737
dc.identifier.urihttps://doi.org/10.4274/gulhane.galenos.2021.46036
dc.identifier.urihttps://search.trdizin.gov.tr/tr/yayin/detay/534737
dc.identifier.urihttps://hdl.handle.net/20.500.14440/641
dc.identifier.volume64
dc.indekslendigikaynakScopus
dc.indekslendigikaynakTR-Dizin
dc.language.isoen
dc.publisherGalenos Publishing House
dc.relation.ispartofGulhane Medical Journal
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_Scopus_20250201
dc.subject25(OH)D
dc.subjectAdult obesity
dc.subjectbody composition
dc.subjectparathyroid hormone
dc.subjectvitamin D deficiency
dc.titleEvaluation of 25-hydroxyvitamin D levels in obese individuals
dc.typeArticle

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