… Altitude was a strong predictor of vitamin D status in this tropical setting. … nationally
representative data from the 2015 Colombian National Nutrition Survey, we estimated the …

… of vitamin D status. In addition, the existence of different serum 25(OH)D thresholds to define
vitaminD … to measure the actual extent of vitamin D deficiency in national populations.In the …

… , residence in rural or urban settings, vitamin D assay, or risk of … , vitamin D assay, sample
size, or date of publication resulted in … Nationally representative surveys in Europe found that …

… on community level or in hospital settings on apparently healthy population (people with …
tropical and subtropical regions in their national map. High prevalence of vitamin D deficiency …

… )D and vitamin D intake, especially nationally representative … of vitamin D intake as well as
status data, from nationally … 12 years, the mean vitamin D intake in urban settings was 5.9, 6.3, …

… ), adapted from the FFQ used in Singapore’s National Nutrition Survey [22]. For analysis
purposes, … There have been a few studies conducted in workplace settings on vitamin D status in …

… , vitamin D deficiency is surprisingly common among Malaysians. However, we hypothesise
that vitamin D levels … Thus, we aim to investigate vitamin D levels and correlate them with the …

… To overcome this and certify the quality of our results, the performance of the … Prevalence
and correlates of vitamin D deficiency in a tropical setting: results from a nationally …

… intake or supplementation for the high-risk population in our setting may be warranted. …
International organizations such as UNICEF, national guidelines such as NICE and vitamin D …

… Risk factors identified for vitamin D deficiency in these settings include older age [12], …
2 were calibrated using standard reference material SRM972a from the National Institute of …