2019
DOI: 10.1530/endoabs.63.p473
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High prevalence of severe vitamin D deficiency in Egyptian females

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Cited by 4 publications
(3 citation statements)
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“…The researchers created the questionnaire following a review of pertinent literature (Botros et al, 2019;Abdel Nabi et al, 2020;National Institutes of Health, 2020;&Mortensen et al, 2022). It is designed to assess women's reported practices regarding vitamin D deficiency as sun exposure, diet, and daily activity.…”
Section: Tool (Iii): Premenopausal Women's Practices Regarding Vitami...mentioning
confidence: 99%
“…The researchers created the questionnaire following a review of pertinent literature (Botros et al, 2019;Abdel Nabi et al, 2020;National Institutes of Health, 2020;&Mortensen et al, 2022). It is designed to assess women's reported practices regarding vitamin D deficiency as sun exposure, diet, and daily activity.…”
Section: Tool (Iii): Premenopausal Women's Practices Regarding Vitami...mentioning
confidence: 99%
“…Sample size was calculated using on-line sample size calculator, based on the prevalence of VDD deficiency in previous research study in Egypt which was 83%. (13,14) , 5% margin of error and 95% confidence level, the estimated sample was 217. The sample size was increased by 15% accounting for dropout or attrition of the sample, so the sample size was 250.…”
Section: Population and Samplingmentioning
confidence: 99%
“…VDD has recently been recognized as a serious and widespread problem, especially in the Middle East and North Africa, despite the abundance of sunlight in these areas (Bassil et al, 2013;Chakhtoura et al, 2018;van Schoor & Lips, 2011). According to recent studies, the prevalence of VDD was high in Middle Eastern countries, with percentages of 53-71.2% between 2016(Al-Alyani et al, 2018Al-Dabhani et al, 2017;Botros et al, 2019;El-Khateeb et al, 2019;Khalife et al, 2017;Riaz et al, 2016;Tabrizi et al, 2018). The prevalence of VDD (<20 ng/mL) was 60% in Saudi Arabia (Al-Alyani et al, 2018); 71% in Jordan (El-Khateeb et al, 2019); 58% in Lebanon (Khalife et al, 2017); 67% in Egypt (Botros et al, 2019); 64% in Qatar (Al-Dabhani et al, 2017); 66.58% in Iran (Tabrizi et al, 2018); and 53.5% in Pakistan (Riaz et al, 2016).…”
Section: Introductionmentioning
confidence: 99%