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

E Hyppönen, C Power - The American journal of clinical nutrition, 2007 - Elsevier
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 …