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Nutrients 2016, 8(6), 366; doi:10.3390/nu8060366

Vitamin D Status and Quality of Life in Healthy Male High-Tech Employees

1
The S. Daniel Abraham International Center for Health and Disease, Department of Public Health, Faculty of Health Sciences, Ben-Gurion University, Beer-Sheva 8410501, Israel
2
Department of Clinical Nutrition, Rambam Health Care Campus, Haifa 31093, Israel
3
School of Public Health, Haifa University, Mt. Carmel, Haifa 31905, Israel
4
Department of Endocrinology & Diabetes, Elisha Medical Center, Haifa 3463626, Israel
*
Author to whom correspondence should be addressed.
Received: 15 March 2016 / Revised: 18 May 2016 / Accepted: 30 May 2016 / Published: 15 June 2016
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Abstract

While low vitamin D status has been shown to be associated with decreased quality of life in unhealthy populations and women, only limited data are available regarding healthy adult men. Our aim was to evaluate the associations between health-related quality of life (QoL) and vitamin D status in adult men. High-tech employees aged 25–65 year were recruited from an occupational periodic examination clinic at Rambam Health Campus. QoL was assessed using the Centers for Disease Control and Prevention (CDC) Health-related quality of life questionnaire (HRQOL-4). Serum 25-hydroxyvitamin D (25(OH)D) and Body Mass Index (BMI) were measured; further information was collected about physical activity, education, sun exposure, sick-days, and musculoskeletal pain severity (visual analog scale). Three hundred and fifty-eight men were enrolled in the study; mean serum 25(OH)D level was 22.1 ± 7.9 ng/mL (range 4.6–54.5 ng/mL). In a multivariate logistic regression model, 25(OH)D was a significant independent determinant of self-rated health; Odds Ratio (OR) for self-rated health was 0.91 (95% confidence interval (CI) 0.85–0.97, p = 0.004), adjusted for age, BMI, pain severity, physical activity, and sun exposure. Every 1 ng/mL increase of 25(OH)D was associated with 9% reduction in the odds of reporting self-rated health as fair or poor. Poisson regression model demonstrated an association between physically unhealthy days and 25(OH)D levels (rate ratio 0.95, p < 0.001). In conclusion, serum levels of 25(OH)D were associated with self-rated health and with physically unhealthy days of HRQOL in healthy high-tech male workers. Future intervention studies are required to test the impact of vitamin D supplementation on QoL. View Full-Text
Keywords: quality of life; vitamin D; 25(OH)D; healthy men quality of life; vitamin D; 25(OH)D; healthy men
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Tepper, S.; Dabush, Y.; Shahar, D.R.; Endevelt, R.; Geva, D.; Ish-Shalom, S. Vitamin D Status and Quality of Life in Healthy Male High-Tech Employees. Nutrients 2016, 8, 366.

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