ArticleIranian journal of public health2019
A Comprehensive, Epidemiological and Ecological Descriptive Study on Vitamin D Status in Iran (308005 People, from 2009-2018).
Article in Iranian journal of public health, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- SMART model-based social marketing intervention to improve vitamin d supplementation adherence in female university students: a quasi-experimental mixed-methods study.Scientific reports · 2026Article
- Vitamin D Nutritional Status in the Middle East and North Africa Region: A Systematic Review and Meta-analysis.Current developments in nutrition · 2025Article
- The association between vitamin D intake with inflammatory and biochemical indices and mortality in critically ill patients with COVID-19: A case-control study.Immunity, inflammation and disease · 2023Article
- Vitamin D deficiency prevention policies in Iran: a retrospective policy analysis.Frontiers in nutrition · 2023Article
- A Retrospective Study of Serum Calcium Status in Tehran, Iran (105,128 Samples, from 2009-2018).Iranian journal of public health · 2022Article
- Correlation of Obesity and Serum Vitamin D Levels with Sperm DNA Integrity, Sperm Quality, and Sperm Viability in Normozoospermia Men.Advanced biomedical research · 2022Article
- Evaluation of the knowledge regarding vitamin D, and sunscreen use of female adolescents in Iran.BMC public health · 2021Article
- Prevalence of vitamin D deficiency and its associated risk factors among rural population of the northern part of the Persian Gulf.BMC endocrine disorders · 2021Article
- Evidence for possible association of vitamin D status with cytokine storm and unregulated inflammation in COVID-19 patients.Aging clinical and experimental research · 2020Article
Corrections and comments
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Authors and funding
19 authors.
Funding
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Abstract
backgroundVitamin D is an essential substance for absorption of calcium and phosphorus from intestine so it is vital for muscles and skeletal development. Deficiency of this vitamin is pandemic. The vitamin D status depends on the different factors such as UV exposure, diet, and ecological features of living location, age and gender. The aim of this study was to describe the vitamin D level in different provinces of Iran and to investigate the association between vitamin D status and multiple variables.
methodsWe collected the serum 25(OH)D (Vitamin D) level data of 308,005 people referred to different laboratories from 30 provinces of Iran and organized them by each province, year, age, gender, precipitation, latitude and longitude, and humidity over 10 yr (2009-2018). Data were analyzed to find out the correlation between age, gender, longitude and latitude, humidity and sum of precipitation.
resultsWest Azerbaijan had the highest level of vitamin D with a mean level of 33.24 and a standard deviation of 32.001, and North Khorasan had the lowest level with a mean level of 14.46 and a standard deviation of 8.980 among 30 provinces of Iran. The correlation between all studied variables (age, and gender, latitude and longitude, humidity, the sum of precipitation) was significant (
conclusionThe average total vitamin D level in Iran is 25.41 ng/ml, which is within the area of deficiency. Vitamin D is associated with age, and gender, latitude and longitude, humidity, the sum of precipitation. So changes in any of these variables can lead to vitamin D alteration.
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31110974PMC6500541What OpenQuestion holds
Registered trials
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