Serum 25-Hydroxyvitamin D Levels Among Boston Trainee Doctors in Winter

DSpace/Manakin Repository

Serum 25-Hydroxyvitamin D Levels Among Boston Trainee Doctors in Winter

Citable link to this page


Title: Serum 25-Hydroxyvitamin D Levels Among Boston Trainee Doctors in Winter
Author: Clark, Sunday; Growdon, Amanda Sarah; Camargo, Carlos Arturo; Hannon, Megan Marie; Mansbach, Jonathan M.

Note: Order does not necessarily reflect citation order of authors.

Citation: Growdon, Amanda S., Carlos A. Camargo, Sunday Clark, Megan Hannon, and Jonathan M. Mansbach. 2012. Serum 25-hydroxyvitamin d levels among boston trainee doctors in winter. Nutrients 4(3): 197-207.
Full Text & Related Files:
Abstract: As indoor workers, trainee doctors may be at risk for inadequate vitamin D. All trainee doctors (residents) in a Boston pediatric training program (residency) were invited to complete a survey, and undergo testing for serum 25-hydroxyvitamin D [25(OH)D], PTH, and calcium during a 3-week period in March 2010. We examined the association between resident characteristics and serum 25(OH)D using Chi2 and Kruskal-Wallis test and multivariable linear and logistic regression. Of the 119 residents, 102 (86%) participated. Although the mean serum 25(OH)D level was 67 nmol/L (±26), 25 (25%) had a level <50 nmol/L and 3 (3%) residents had levels <25 nmol/L. In the multivariable model, factors associated with 25(OH)D levels were: female sex (β 12.7, 95% CI 3.6, 21.7), white race (β 21.7, 95% CI 11.7, 31.7), travel to more equatorial latitudes during the past 3 months (β 6.3, 95% CI 2.0, 10.5) and higher daily intake of vitamin D (β 1.1, 95% CI 0.04, 2.1). Although one in four residents in our study had a serum 25(OH)D <50 nmol/L, all of them would have been missed using current Centers for Medicare and Medicaid Services (CMS) screening guidelines. The use of traditional risk factors appears insufficient to identify low vitamin D in indoor workers at northern latitudes.
Published Version: doi:10.3390/nu4030197
Other Sources:
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at
Citable link to this page:
Downloads of this work:

Show full Dublin Core record

This item appears in the following Collection(s)


Search DASH

Advanced Search