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Open AccessArticle

The Prevalence and Predictors of Dietary Supplement Use in the Australian Population

School of Public Health, Curtin University, Bentley 6102, WA, Australia
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Author to whom correspondence should be addressed.
Nutrients 2017, 9(10), 1154; https://doi.org/10.3390/nu9101154
Received: 30 August 2017 / Revised: 12 October 2017 / Accepted: 18 October 2017 / Published: 21 October 2017
(This article belongs to the Special Issue Dietary Supplements)
Current dietary supplement use in Australia is not well described. We investigated the prevalence and predictors of supplement use in the Australian population (n = 19,257) using data from the 2014–2015 National Health Survey. We reported the prevalence of supplement use by sex and age group and investigated the independent predictors of supplement use in adults, adolescents, and children using multiple logistic regression models. A total of 43.2% of adults (34.9% of males, 50.3% of females), 20.1% of adolescents (19.7% of males, 20.6% of females), and 23.5% of children (24.4% of males, 22.5% of females) used at least one dietary supplement in the previous two weeks. The most commonly used supplements were multivitamins and/or multiminerals and fish oil preparations. In adults, independent predictors of supplement use included being female, increasing age, being born outside Australia and other main English-speaking countries, having a higher education level, having a healthy BMI compared to those who were obese, being physically active, and being a non-smoker. To our knowledge, this is the first detailed investigation of dietary supplement use in a nationally-representative sample of the Australian population. Future studies investigating the contribution of supplements to overall dietary intakes of vitamins, minerals, and omega-3 fatty acids are warranted. View Full-Text
Keywords: dietary supplements; prevalence; predictors; Australian Health Survey dietary supplements; prevalence; predictors; Australian Health Survey
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O’Brien, S.K.; Malacova, E.; Sherriff, J.L.; Black, L.J. The Prevalence and Predictors of Dietary Supplement Use in the Australian Population. Nutrients 2017, 9, 1154.

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