Table 3 Mean ( SD) distances and durations of swimming sessions in relation to gender and age.
Gender Age Distance (meter) Duration (min)
Male <20 years 1839.3 (669.4) 48.8 (6.9)
20 to 30 years 2003.7 (678.3)) 46.2 (7.2)
30 to 40 years 1924.4 (605.2) 45.7 (9.1)
40 to 50 years 1676.5 (660.9) 44.3 (9.3)
> 50 years 1650.0 (615.5) 44.2 (7.9)
Mean 1818.8 (644.5) 45.8 (8.4)
Female <20 years 1200.0 (421.6) 45.8 (7.9)
20 to 30 years 1664.3 (541.6) 45.7 (8.3)
30 to 40 years 1567.6 (670.9) 44.3 (12.5)
40 to 50 years 1583.3 (679.2) 40.7 (13.6)
> 50 years 1250.0 (731.9) 40.7 (13.6)
Mean 1453.0 (603.3) * 43.4 (9.5)
* p < 0.05.