Table 5 Results of the pre-race questionnaire on sodium supplement use. Values are expressed as the percentage of respondents selecting each option.

From: No hyponatremia despite continuous plasma sodium decline in female runners during a seven stage ultramarathon

Question

Answer

Male

(n = 19)

Female

(n = 9)

Do you use sodium supplements during the race?

Yes

 

65%

56%

No

 

35%

44%

If yes, state the reason:

To prevent cramps

53%

44%

To prevent dehydration

5%

0%

To prevent hyponatremia

42%

56%