Table 2 Health-related physical fitness measurements according to general obesity status in Taiwanese older adults

Men

 2-min step test (step)

85.33 ± 23.70

88.33 ± 23.01

87.68 ± 23.98

<  0.001*

Obesity < Overweight, Normal weight

 30-s arm curl test (rep)

17.92 ± 5.44

17.90 ± 5.68

17.37 ± 5.69

<  0.001*

Obesity, Overweight > Normal weight

 30-s chair stand test (rep)

14.67 ± 4.58

15.33 ± 4.94

15.35 ± 4.92

<  0.001*

Obesity < Overweight, Normal weight

 Back scratch test (cm)

−15.14 ± 12.73

−11.90 ± 12.54

−8.47 ± 12.31

<  0.001*

Obesity < Overweight < Normal weight

 Chair sit-and-reach test (cm)

2.12 ± 8.17

2.69 ± 8.45

2.80 ± 8.32

0.035*

Obesity < Normal weight

 8-ft up-and-go test (s)

7.46 ± 1.88

7.11 ± 1.86

7.04 ± 1.88

<  0.001*

Obesity > Overweight, Normal weight

 One-leg stance with eye open test (s)

14.11 ± 11.17

15.93 ± 11.64

16.62 ± 11.63

<  0.001*

Obesity < Overweight, Normal weight

Women

 2-min step test (step)

81.97 ± 24.43

84.77 ± 23.82

86.50 ± 23.84

<  0.001*

Obesity < Overweight < Normal weight

 30-s arm curl test (rep)

17.33 ± 5.47

17.50 ± 5.33

17.05 ± 5.61

<  0.001*

Obesity, Overweight > Normal weight

 30-s chair stand test (rep)

13.83 ± 4.42

14.65 ± 4.49

15.05 ± 4.78

<  0.001*

Obesity < Overweight < Normal weight

 Back scratch test (cm)

−8.79 ± 11.28

−5.26 ± 10.48

−2.49 ± 10.12

<  0.001*

Obesity < Overweight < Normal weight

 Chair sit-and-reach test (cm)

4.64 ± 7.73

5.56 ± 7.90

5.82 ± 8.10

<  0.001*

Obesity < Overweight, Normal weight

 8-ft up-and-go test (s)

7.89 ± 1.86

7.38 ± 1.74

7.18 ± 1.82

<  0.001*

Obesity > Overweight > Normal weight

 One-leg stance with eye open test (s)

11.84 ± 10.40

14.21 ± 10.91

16.01 ± 11.45

<  0.001*

Obesity < Overweight < Normal weight