Table 1.

Characteristics of swimmers at week0 (n=22)

Age (y, mean (SD))	20.2 (3.8)
Current smokers (n (%))	1 (4)
Cigarette smoking (cigarettes/day, n)	25
Sport activity (n (%))
Water-Polo	10 (45)
Tri-athlete	6 (27)
Only swimming	5 (23)
Other	1 (5)
Number of years of swimming (y, geometric mean)	4.1
Current medications (n (%))
Drugs	11 (55)
Multivitamin supplement	22 (100)
Dietary score (mean (SD))*	2.6 (0.8)
Alcohol consumption (g/day) (mean (SD))	13.8 (14.2)
Aperitif consumption (n (%))
Never	13 (65)
1 to 4 drinks/month	4 (20)
> 4 drinks/month	13 (65)

^*means of the three scores of dietary habits ranging from 1 (never) to 4 (at least once a day).