Table 2.  Analysis of health-related physical fitness. Data are means (±SD).

Group
Age

Variable

Normal

Overweight

Obese

Overall
F

Overall
p

20s

Cardiorespiratory endurance
(ml·kg-1·min-1)

37.26 (6.32)

33.08 (5.53) ###

31.37 (6.21) ###

21.125

<.001***

30s

36.17 (5.32)

34.67 (4.80)

32.37 (5.20) ###

18.917

<.001***

40s

35.17 (5.25)

32.65 (5.60) ##

32.06 (5.42) ###

11.507

<.001***

50s

34.20 (5.23)

31.79 (4.95 ##

31.05 (4.65) ###

12.434

<.001***

60s

32.83 (4.94)

31.16 (5.81)

29.87 (4.94) ##

7.137

.001**

Over 70

33.61 (7.27)

31.93 (6.86)

31.37 (7.61)

.484

.619

Total

35.21 (5.76)

32.56 (5.48) ###

31.50 (5.25) ###

71.425

<.001***

20s

Muscular strength
(kg)

37.76 (4.55)

39.09 (6.30)

39.34 (7.77)

1.877

.155

30s

39.04 (4.18)

41.51 (4.99) ##

41.26 (5.26) ##

8.896

<.001***

40s

38.69 (4.40)

38.67 (4.82)

40.30 (5.25) #

5.802

.003**

50s

37.20 (4.22)

37.89 (3.89)

38.77 (4.88) #

4.406

.013*

60s

35.21 (4.23)

36.16 (5.29)

36.57 (4.57)

2.572

.078

Over 70

33.59 (3.97)

34.44 (4.41)

34.69 (5.64)

.538

.586

Total

37.26 (4.60)

38.25 (5.27) ##

39.32 (5.55) ###

26.888

<.001***

20s

Muscular
endurance (reps/min)

25.13 (5.98)

24.57 (6.41)

23.43 (7.58)

1.342

.263

30s

21.79 (4.67)

23.60 (5.60) #

22.36 (4.47)

3.485

.035*

40s

18.93 (4.77)

19.63 (4.24)

21.18 (4.63) ###

9.195

<.001***

50s

16.84 (4.46)

17.61 (5.75)

17.26 (4.42)

.674

.510

60s

15.18 (5.16)

14.75 (4.11)

15.78 (6.66)

.991

.373

Over 70

14.02 (4.45)

16.26 (4.46)

15.79 (3.44)

.788

.459

Total

19.38 (6.26)

19.35 (6.20)

19.68 (6.08)

.572

.565

20s

Flexibility
(cm)

11.38 (10.00)

13.26 (12.58)

12.31 (9.97)

.698

.499

30s

12.21 (8.83)

14.20 (7.66)

11.65 (9.13)

2.448

.088

40s

10.88 (8.53)

11.30 (8.57)

10.48 (8.03)

.366

.694

50s

10.04 (10.98)

9.68 (9.46)

8.22 (9.22)

1.517

.220

60s

8.67 (9.80)

8.61 (9.94)

6.77 (10.81)

1.315

.270

Over 70

8.87 (8.34)

8.68 (11.10)

3.52 (11.41)

2.024

.138

Total

10.51 (9.58)

10.94 (9.87)

9.54 (9.49)

3.730

.024*

* p < 0.05 ** p < 0.01 *** p < 0.001 by one-way ANOVA
# p < 0.05 ## p < 0.01 ### p < 0.001; compared to normal group (tukey post-hoc)