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Abstract Details

Abstract Title

Winter 25(OH)D Status of Elite US and Canadian Paralympic Athletes

Abstract Theme

Sport nutrition

Type Presentation


Abstract Authors

Robert Pritchett - Central Washington University (Nutrition, Exercise and Health Science ) - US
Presenter Kelly Pritchett - Central Washington University (Nutrition Exercise and Health Science ) - US
Ryan Galindo - Central Washington University (Nutrition, Exercise and Health Science ) - US
Elizabeth Broad - US Olympic Committee (US Olympic Committee) - US
Melissa LaCroix - Canadian Sport Institute Pacific (Canadian Sport Institute Pacific) - CA
Dana Ogan - Central Washington University (Nutrition, Exercise and Health Science ) - US

Presentation Details

Poster Exhibition Site (Local): Purple - 7        Date: 1 September        Time: 8am to 7pm        Presenter: Robert Pritchett

Abstract Resume

Background:To examine the 25(OH)D status in relation to lifestyle factors in elite Paralympic athletes during the winter months.

Methods:Winter 25(OH)D status was assessed in 54 Paralympic athletes (height: 163.9 ± 26.1 cm; weight: 61.1 ± 12.9 kg; age: 29.9 ± 6.8 years) from outdoor: tennis and athletics (track
and field), and indoor sports: basketball and rugby. Lifestyle factors possibly contributing to 25(OH)D status were assessed via a lifestyle questionnaire.

Results:Mean (± Standard Deviation) 25(OH)D levels were 68.2 ± 26.5 nmol/L. Vitamin D insufficiency (≤ 80 nmol/L) and deficiency (≤ 50 nmol/L) was observed in 67 and 26% of the sample
respectively. Those who reported consuming milk once daily had significantly higher serum 25(OH)D levels compared to those who reported consuming none (87.8 ± 7.6 nmol/L vs. 53 ± 10 nmol/L, p=.005).
Positive correlations between vitamin D status and milk consumption (r = .45, p=.001), egg consumption (r = .38, p = .005), calcium with vitamin D supplement use (r = .52, p < .0001) and calcium
supplementation (r = .48, p < .0001) were observed. Lesion duration (r = -.30 p = .029) and number of reported illnesses per year (r = -.29, p = .036) were negatively correlated with 25(OH)D levels,
and those who had been injured between 1-10 or 11-20 years had serum 25(OH)D levels higher than those who had been injured 21-35 years (78.8 ± 9.4 and 75.4 ± 4.6 vs. 51.7 ± 4.3 nmol/L, p= .011 and

Conclusions:A high prevalence of vitamin D insufficiency was found in US and Canadian Elite Paralympic athletes irrelevant to gender, sport played, whether sport was played inside or
outside, or level of spinal cord injury. Further research is warranted to examine appropriate supplementation protocols and dosages for athletes with SCI to prevent deficiencies.

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