Table 3

Summary of mean seasonal data for sweat sodium concentration and sweat rate.

Sweat sodium concentrations

Mean sweat rate (kg.h^-1)

Mean arms (mmol.L^-1)

Mean legs (mmol.L^-1)

Combined seasonal mean (all limbs) (mmol.L-1)

Summer

48.4 ± 26.6

41.0 ± 23.3

44.7 ± 24.7

0.47 ± 0.14

(38.1 – 58.7)

(31.3 – 50.6)

(35.7 – 53.7)

(0.29 – 0.65)

Winter

72.3 ± 24.9

55.5 ± 21.7

63.8 ± 22.6

0.41 ± 0.17

(62.3 – 82.3)

(46.2 – 64.8)

(55.4 – 72.2)

(0.21 – 0.49)

p

0.0001*

0.0299*

Data are mean ± SD with 95% confidence limits (parentheses).

* Level of significance p < 0.05. Paired t-tests comparing individual summer and winter data.

Bates and Miller Journal of Occupational Medicine and Toxicology 2008 3:4   doi:10.1186/1745-6673-3-4