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Do adolescent vitamin-mineral supplement users have better nutrient intakes than nonusers? Observations from the
J T Dwyer1, A O Garcea, M Evans
1Frances Stern Nutrition Center, New England Medical Center and Schools of Medicine and Nutrition Science and Policy, Tufts University, Boston, Mass, USA.
Journal of the American Dietetic Association
|November 22, 2001
Summary
Eighth-grade students using vitamin-mineral supplements had higher micronutrient intakes from food and better nutrition awareness compared to nonusers. Supplement use was common, with users showing distinct demographic patterns.
Area of Science:
- Nutrition Science
- Public Health
- Pediatric Health
Background:
- Vitamin-mineral supplement use is common among adolescents.
- Understanding the nutritional and awareness differences between users and nonusers is crucial for public health initiatives.
- Adolescent nutrition impacts long-term health outcomes.
Purpose of the Study:
- To determine if eighth-grade vitamin-mineral supplement users differ from nonusers in their dietary micronutrient intake.
- To investigate if supplement users exhibit higher levels of nutrition awareness compared to nonusers.
Main Methods:
- A cross-sectional, observational study involving 1,532 eighth-grade students.
- Data collected via a single 24-hour dietary recall.
- Mixed-model analysis of covariance used to compare nutrient intakes and nutrition awareness.
Main Results:
- 17.6% of students reported using vitamin-mineral supplements.
- Supplement users demonstrated higher micronutrient intakes from food sources for 16 of 20 nutrients studied.
- Users scored higher on food choice behaviors and nutrition knowledge.
Conclusions:
- Vitamin-mineral supplement use is prevalent in eighth-grade students.
- Supplement users exhibit superior nutrient intake from food and enhanced nutrition awareness.
- Demographic factors are associated with supplement use in this population.
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