Table 2: Changes of the measurement parameters at the beginning and endpoint of this survey.
Median (25 percentile-75 percentile)
*For each season: when compared with the begining, p<0.05(Wilcoxon signed-rank test)
Beginning (summer) 6 years after (summer) Beginning (winter) 5 years after (winter)
Height(cm) 164.4 (155.9-169.7) 163.8 (155.9-167.0) 162.5 (150.7-170.6) 162.1 (149.8-170.2)
Weight(kg) 64.0 (54.9-72.4) 62.4 (55.2-73.1) 68.1 (54.6-75.6) 61.7 (54.7-75.1)
Fat Ratio (%) 22.1 (19.8-23.8) 19.9 (16.9-23.2) * 24.7 (20.7-30.1) 26.1 (23.5-31.6) *
Body Mass index(kg/m2) 24.0 (22.6-25.9) 24.2 (22.6-25.5) 23.9 (22.8-25.2) 25.0 (20.3-26.2)
Grip Strength(right hand)(kgf) 38.9 (30.5-42.6) 35.9 (21.7-39.3) * 25.6 (22.3-39.7) 25.3 (20.3-37.2)
Grip Strength (left hand)(kgf) 37.0 (30.5-42.6) 33.8 (25.0-36.5) * 24.0 (22.6-38.6) 27.2 (22.9-38.5)
Single-leg stance(sec) 41.3 (11.8-60.0) 33.5 (5.5-60.0) * 30.0 (19.0-60.0) 17.0 (4.6-40.5) *
ADL score(point) 29.0 (27.3-31.0) 29.0 (24.0-32.0) 31.0 (28.0-32..0) 27.0 (22.0-30.0)
Steps per day(step) 7011 (5035-10863) 8385 (6168-15567) 5825 (4997-6801) 6991 (5463-12132)
Cycle duration(sec) 1.03 (1.01-1.06) 0.95 (0.93-1.00) * 1.01 (0.97-1.08) 0.95 (0.93-1.00) *
Stride length(m) 1.33 (1.20-1.39) 1.32 (1.24-1.38) 1.25 (1.21-1.41) 1.32 (1.24-1.38)
Speed(m/sec) 1.31 (1.16-1..35) 1.37 (1.31-1.44) 1.30 (1.12-1.40) 1.37 (1.31-1.44) *