Food and Behaviour Research

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Hypovitaminosis D in British adults at age 45 y: nationwide cohort study of dietary and lifestyle predictors.

Hypponen E, Power C. (2007) Am J Clin Nutr. 85(3) 860-8 

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Abstract:

BACKGROUND:

Increased awareness of the importance of vitamin D to health has led to concerns about the prevalence of hypovitaminosis D in many parts of the world.

OBJECTIVES:

We aimed to determine the prevalence of hypovitaminosis D in the white British population and to evaluate the influence of key dietary and lifestyle risk factors.

DESIGN:

We measured 25-hydroxyvitamin D [25(OH)D] in 7437 whites from the 1958 British birth cohort when they were 45 y old.

RESULTS:

The prevalence of hypovitaminosis D was highest during the winter and spring, when 25(OH)D concentrations <25, <40, and

CONCLUSION:

Prevalence of hypovitaminosis D in the general population was alarmingly high during the winter and spring, which warrants action at a population level rather than at a risk group level.