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https://hdl.handle.net/20.500.14279/3596
Τίτλος: | Vitamin D Levels and Status Amongst Asthmatic and Non-asthmatic Adolescents in Cyprus: a Comparative Cross-sectional Study | Συγγραφείς: | Kolokotroni, Ourania Middleton, Nicos Papadopoulou, Anna Lamnisos, Demetris Raftopoulos, Vasilios Kouta, Christiana Nicolaidou, Polyxeni |
Major Field of Science: | Medical and Health Sciences | Field Category: | Clinical Medicine | Λέξεις-κλειδιά: | Asthma;Adolescence;Vitamin D;Hypovitaminosis D | Ημερομηνία Έκδοσης: | 2015 | Πηγή: | BMC Public Health, 2012 | Volume: | 22 | Issue: | 2 | Start page: | 126 | End page: | 295 | Περιοδικό: | BMC Public Health | Περίληψη: | Abstract Background: Emerging evidence suggests that vitamin D might be implicated in asthma pathophysiology. This study aims to compare Vitamin D mean serum levels and status between asthmatic and non-asthmatic adolescents and investigate the association of vitamin D with asthma severity. Methods: In a cohort of adolescents aged 16–17 years, those reporting wheezing in the past 12 months and Ever asthma on the ISAAC questionnaire were invited to participate and formed the Active Asthmatics group. Controls were selected amongst Never Wheezers/Never Asthmatics (NWNA). Differences in mean 25(OH)D serum levels and vitamin D status between AA and NWNA were examined in multivariate linear and logistic regression models respectively, adjusting for potential confounders. Within AA, differences in vitamin D levels were assessed across asthma severity indicators. Results: A total of 69 AA and 671 NWNA participated in the study. Unadjusted mean 25(OH)D serum levels were 22.90 (SD 6.41), and 21.15 (SD 5.59) ng/mL in NWNA and AA respectively (p = 0.03). In adjusted models, mean 25(OH)D levels remained significantly lower amongst AA compared to NWNA (adjusted beta coefficient −1.68, 95% CI −3.24, −0.13). Severe (<12 ng/mL), moderate (<25 ng/mL) or insufficient (<30 ng/mL) vitamin D status was more prevalent among AA who were 1.6 times (95% CI 1.01, 2.53) more likely to belong to a lower vitamin D category compared to NWNA. Within AA, there was a negative trend between vitamin D levels and the number of reported asthma severity indicators. Conclusions: Levels of vitamin D tend to be lower among asthmatic compared to non-asthmatic children and in those with severe asthma independent of important confounders. Keywords: Adolescents, Asthma, Asthma severity, Vitamin D levels, Vitamin D status | Description: | Presented at the 5th European Association of Public Health (EUPHA) conference | URI: | https://hdl.handle.net/20.500.14279/3596 | ISSN: | 14712458 | DOI: | 10.1093/eurpub/cks115 | Rights: | © European Public Health Association | Type: | Article | Affiliation: | National and Kapodistrian University of Athens Cyprus University of Technology University of Nicosia |
Publication Type: | Non Peer Reviewed |
Εμφανίζεται στις συλλογές: | Άρθρα/Articles |
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