{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,3]],"date-time":"2026-10-03T19:00:44Z","timestamp":1791054044540,"version":"4.1.0"},"reference-count":55,"publisher":"Cambridge University Press (CUP)","license":[{"start":{"date-parts":[[2023,3,17]],"date-time":"2023-03-17T00:00:00Z","timestamp":1679011200000},"content-version":"unspecified","delay-in-days":75,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100002347","name":"Bundesministerium f\u00fcr Bildung und Forschung","doi-asserted-by":"publisher","award":["FKZ: 01DH19003"],"award-info":[{"award-number":["FKZ: 01DH19003"]}],"id":[{"id":"10.13039\/501100002347","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Nutr Sci"],"published-print":{"date-parts":[[2023]]},"abstract":"<jats:title>Abstract<\/jats:title>\n\t  <jats:p>The global prevalence of vitamin D deficiency is high. Poor vitamin D status, especially in women, has been reported in several countries in the Middle East despite adequate year-round sunlight for vitamin D synthesis. However, data on vitamin D status in Palestine are scarce. The aim of this cross-sectional study was to evaluate vitamin D status based on serum concentrations of 25-hydroxycholecalciferol [25-(OH)D] among young healthy Palestinian students (18\u201327 years) and to assess associations between 25-(OH)D concentrations and several predictors. The mean 25-(OH)D concentration of women (<jats:italic>n<\/jats:italic> 151) was 27\u22c52 \u00b1 14\u22c55 nmol\/l, with the majority having insufficient (31\u22c51\u00a0%) or deficient (&lt;60\u00a0%) 25-(OH)D status. Only 7\u00a0% of women achieved sufficient or optimal 25-(OH)D status. In contrast, men (<jats:italic>n<\/jats:italic> 52) had a mean 25-(OH)D concentration of 58\u22c53 \u00b1 14\u22c55 nmol\/l, with none classified as deficient, and most obtaining sufficient (55\u22c58\u00a0%) or even optimal 25-(OH)D status (11\u22c55\u00a0%). Among women, 98\u00a0% wore a hijab and 74\u00a0% regularly used sunscreen. Daily dietary vitamin D intake (3-d 24-h recalls) was 45\u22c51 \u00b1 36\u22c51 IU in the total group (no sex differences). After adjustment, multiple linear regression models showed significant associations between 25-(OH)D concentrations and the use of supplements (<jats:italic>B<\/jats:italic> = 0\u22c5069; <jats:italic>P<\/jats:italic> = 0\u22c5020) and dietary vitamin D (<jats:italic>B<\/jats:italic> = 0\u22c5001; <jats:italic>P<\/jats:italic> = 0\u22c5028). In gender-stratified analysis, the association between supplement use and 25-(OH)D concentrations was significant in women (<jats:italic>B<\/jats:italic> = 0\u22c5076; <jats:italic>P<\/jats:italic> = 0\u22c5040). The vitamin D status of women in the present cohort is critical and appears to be mainly due to wearing a hijab, regular use of sunscreen and low dietary vitamin D intake. The vitamin D status of the women should be improved by taking vitamin D containing supplements or fortified foods.<\/jats:p>","DOI":"10.1017\/jns.2023.25","type":"journal-article","created":{"date-parts":[[2023,3,17]],"date-time":"2023-03-17T07:50:19Z","timestamp":1679039419000},"source":"Crossref","is-referenced-by-count":5,"title":["Assessment of the vitamin D status and its determinants in young healthy students from Palestine"],"prefix":"10.1017","volume":"12","author":[{"given":"Janina 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