Shift work and serum 25-OH vitamin D status among factory workers in Northern Italy: Cross-sectional study

Romano, Alessandro; Vigna, Luisella; Belluigi, Valentina; Conti, Diana Misaela; Barberi, Claudia Eleonora; Tomaino, Laura; Consonni, Dario; Riboldi, Luciano; Tirelli, Amedea Silvia; Andersen, Lars L.

doi:10.3109/07420528.2015.1048867

Cited by 31 publications

(25 citation statements)

References 26 publications

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“…However, no significant difference in serum 25OHD levels was found between the night and day male workers, while the female night workers had lower serum 25OHD levels compared to the female day workers. This result was consistent with previous findings [43][44][45][46]. Ward et al have reported that night work was associated with low 25OHD levels in females but not in males [43].…”

Section: Vitamin D Deficiency and Night Shift Work O R I G I N A L P supporting

confidence: 83%

“…Ward et al have reported that night work was associated with low 25OHD levels in females but not in males [43]. In addition, Olivieri et al and Romano et al have found that significantly low 25OHD levels were shown in night workers compared to day workers [44,46]. On the other hand, a Korean study has shown that male, but not female, night workers had significantly lower 25OHD levels compared to day male workers [45].…”

Section: Vitamin D Deficiency and Night Shift Work O R I G I N A L P mentioning

confidence: 99%

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Determinants of vitamin D status among Jordanian employees: Focus on the night shift effect

Alefishat¹,

Farha²

2016

Int J Occup Med Environ Health

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Objectives: To assess the association between night work and 25-hydroxy vitamin D (25OHD) levels, and to evaluate effect of potential risk factors on 25OHD levels. Material and Methods: A total of 140 adult Jordanian employees were recruited. Demographic, lifestyle and working patterns data were documented through a well-structured questionnaire. Vitamin D status was assessed by measuring circulating concentrations of 25OHD. Results: Mean 25OHD level was 23.8 ng/ml. No significant difference was found in 25OHD levels between the summer and winter (p = 0.46), or between males and females (p = 0.35). The female night workers had significantly lower serum 25OHD levels compared to the female day workers (p = 0.01). No significant difference in serum 25OHD levels was found between the night and day male workers (p = 0.25). The number of night shifts/month was negatively correlated with 25OHD levels in both the males and females (p = 0.01 and p = 0.007, respectively). Age was positively correlated with 25OHD levels in both the males and females (p = 0.02 and p = 0.001, respectively). Body mass index was negatively associated with 25OHD levels in the whole sample (p = 0.03), but not within each gender group (p = 0.21 for the males and p = 0.09 for the females). Smoking had no significant association with 25OHD levels (p = 0.99 for the males and p = 0.22 for the females). Conclusions: Our results suggest that women working night shifts are at higher risk of 25OHD deficiency, and, consequently, of other health problems linked to 25OHD deficiency. Int J Occup Med Environ Health 2016;29(5):859-870

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Section: Vitamin D Deficiency and Night Shift Work O R I G I N A L P supporting

confidence: 83%

Section: Vitamin D Deficiency and Night Shift Work O R I G I N A L P mentioning

confidence: 99%

Determinants of vitamin D status among Jordanian employees: Focus on the night shift effect

Alefishat¹,

Farha²

2016

Int J Occup Med Environ Health

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“…[ 26 ] showed prevalence of vitamin D deficiency among the office workers (88.1%), higher than that of the manufacturing workers (79.0%). Romano et al [ 27 ] evaluates vitamin D status in shiftworkers at an engineering factory in Northern Italy, and 100 male daily workers operating nearby, 25-OH. Vitamin D levels were lower in shiftworkers than daily ones (13.4 ± 5.3 ng/mL versus 21.9 ± 10.7 ng/mL, p50.001).…”

Section: Resultsmentioning

confidence: 99%

“…It is also relevant to examine levels in respect of different seasons to confirm findings. In this study, vitamin D3 levels of workers on fixed night shifts were compared to those who work fixed daytime shifts, not in the summer but in winter when access to ambient UVB was not possible [ 27 ].…”

Section: Discussionmentioning

confidence: 99%

Are Shiftwork and Indoor Work Related to D3 Vitamin Deficiency? A Systematic Review of Current Evidences

Coppeta

Papa

Magrini

2018

Journal of Environmental and Public Health

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Background Reported cases of vitamin D3 deficiency have been increasing in incidence worldwide. Although there is a lack of consensus relating to optimal levels of vitamin D, generally serum 25-(OH)D concentrations lower than 50 nmol/L (20 ng/mL) are at least considered to be detrimental to bone health. Aim Aim of this systematic review is to investigate if occupations, and specifically shiftworking and indoor working, may be considered as possible contributors to the increased incidence of vitamin D3 deficiency in industrialized nations. Materials and Methods Systematic review was performed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement using PubMed, Scopus, and ISI Web of Knowledge databases. Results Overall 90 papers were found, 23 articles through PubMed, 30 through Scopus, and 37 through ISI Web of Knowledge. Successively, 46 duplicates and 34 articles that did not respect the inclusion criteria were excluded. Finally 10 articles were selected: 9 cross-sectional studies and 1 systematic review. Results of the studies included revealed that certain occupations are either suffering from, or have a predilection to suffer from, a deficiency of this vitamin. Shiftworkers and indoor workers are consistently reported as being the occupational group most likely to suffer from a deficiency of vitamin D3. It would appear prudent to investigate the potential of providing nutritional education to workers in addition to including preventative measures in the workplace.

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“…Low vitamin D levels are discussed as possible effect modifying or mediating factor on cancer risk (16,20). A recent survey from Italy identified lower vitamin D levels among 96 shift workers as compared to 100 workers engaging in regular daily shifts (31). We studied the influence of vitamin D-deficiency on the association between shift/night work and prostate cancer but found that low vitamin D-levels at baseline had no effect modifying effect.…”

Section: Shift Work and Prostate Cancermentioning

confidence: 97%

Shift work and the incidence of prostate cancer: a 10-year follow-up of a German population-based cohort study

Behrens

Rabstein²,

Wichert³

et al. 2017

Scand J Work Environ Health

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Objectives We investigated the association of shift and night work with the incidence of prostate cancer using data of the population-based prospective Heinz Nixdorf Recall Study from the highly industrialized Ruhr area in Germany. Methods Participants of the baseline survey were recruited between 2000-2003. A follow-up survey including, a detailed interview on shift and night work, was conducted from 2011-2014. We included 1757 men who did not report a history of prostate cancer at baseline. We assessed shift- and night-work exposure up to time of the baseline interview. Incident prostate cancers were recorded from baseline through September 2014. We calculated hazard ratios (HR) of shift- and night-work exposure using Cox proportional hazards regression with age at event as timescale, adjusting for smoking status, family history of prostate cancer, education (≤13, 14-17, ≥18 years), and equivalent income (low, medium, high). Results We observed a twofold increased HR for prostate cancer among shift and night workers. Ever employment in shift work was associated with HR 2.29, 95% confidence interval (CI) 1.43-3.67 and night work with HR 2.27, 95% CI 1.42-3.64. HR increased steadily with duration of employment in shift or night work. Stratifying analyses by preferred midpoint of sleep, yielded strongly elevated HR among subjects with early sleep preference, although these analyses were limited by small number of cases. Conclusions We identified increased risks for prostate cancer among men with employment in shift or night work. HR were strongly elevated among long-term employed shift workers and men with early preferred midpoint of sleep.

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Shift work and serum 25-OH vitamin D status among factory workers in Northern Italy: Cross-sectional study

Cited by 31 publications

References 26 publications

Determinants of vitamin D status among Jordanian employees: Focus on the night shift effect

Determinants of vitamin D status among Jordanian employees: Focus on the night shift effect

Are Shiftwork and Indoor Work Related to D3 Vitamin Deficiency? A Systematic Review of Current Evidences

Shift work and the incidence of prostate cancer: a 10-year follow-up of a German population-based cohort study

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