Table 1. Characteristics of participants in 3 groups.
30s × 1 time group 30s × 3 time group 30s × 10 time group P value
Age (years) 20.7 ± 0.8 20.9 ± 0.5 21.4 ± 2.3 0.461
Height (m) 1.66 ± 0.10 1.65 ± 0.09 1.66 ± 0.07 0.912
Weight (kg) 59.3 ± 10.0 59.0 ± 9.3 55.1 ± 6.3 0.366
Male : Female 8 : 7 7 : 8 8 : 7
Data presented as mean ± standard deviation.