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Dietary intakes of calcium, iron and vitamin D in club and county female Gaelic footballers

Published online by Cambridge University Press:  06 September 2018

E. Gibbons
Affiliation:
Department of Science, School of Science, Letterkenny Institute of Technology, Letterkenny, Co. Donegal, Ireland
G. Mc Monagle
Affiliation:
Department of Science, School of Science, Letterkenny Institute of Technology, Letterkenny, Co. Donegal, Ireland
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Abstract

Type
Abstract
Copyright
Copyright © The Authors 2018 

Ladies Gaelic Football is recognised as one of the fastest growing female sports in Europe (1). At present, there is a paucity of research exploring the dietary intakes of female Gaelic footballers, and an absence of sport specific nutrition guidelines. Inadequate intakes of calcium and iron are common in females(3), with inadequate iron intakes previously documented in female team sports(Reference Ahmadi, Enayatizadeh and Akbarzadeh4). Vitamin D insufficiency is also evident in male Gaelic footballers but has yet to be examined in females(Reference Magee, Pourshahidi and Leech5). Therefore, the aim of this study was to evaluate calcium, iron and vitamin D intakes of club and county female Gaelic footballers, and compare them to recommended dietary allowances (RDAs)(2).

Dietary intakes of club and county level female Gaelic footballers were recorded using three-day food diaries, which also included intakes of dietary supplements. Club (n = 23) and county (n = 26) footballers were recruited from three female Gaelic football teams. Of those recruited initially, food diaries were completed and returned by 78% (n = 18) of club and 74% (n = 19) of county footballers, under-reporting was evident in 22% of participants who were subsequently excluded from analysis. The remaining food diaries (n = 29) were assessed using dietary analysis software to compare micronutrient intakes to RDAs(2) and further analysed using SPSS version 24.

aP for difference between groups (independent t-test, P < 0·05), bdenotes significant differences between groups.

Overall, median intakes of calcium, iron and vitamin D in both club and county footballers were lower than the respective RDAs. A minority of county players (n = 2) met the RDAs for calcium, iron and vitamin D with the aid of dietary supplements. Furthermore, iron intakes of club players were significantly lower than county players (P < 0·05). However, there were no significant differences between club and county players in relation to calcium and vitamin D intakes (P = 0·42 and P = 0·277, respectively).

In conclusion, this study highlights the prevalence of low calcium, iron and vitamin D intakes in club and county female Gaelic footballers, with intakes of iron particularly low in club players. These findings should be confirmed through serological investigation of such micronutrients in female Gaelic footballers. This study illustrates the need to raise awareness of the importance of sufficient micronutrient intakes in female Gaelic football players in order to reduce the risk of such deficiencies amongst this group of athletes.

References

1.Ladies Gaelic Football Association (no date) History: the beginning. http://ladiesgaelic.ie/about-lgfa/history/ (accessed March 2018).Google Scholar
2.Food Safety Authority of Ireland (1999) Recommended Dietary Allowances for Ireland. Dublin: FSAI.Google Scholar
3.Irish University Nutrition Alliance (IUNA) (2011) National Adult Nutrition Survey. Dublin: IUNA.Google Scholar
4.Ahmadi, A, Enayatizadeh, N, Akbarzadeh, M et al. (2010) Pak J Biol Sci 13, 9396.Google Scholar
5.Magee, PJ, Pourshahidi, LK, Leech, L et al. (2012) Proc Nutr Soc 71(OCE2), E100.Google Scholar