Table 1 Participants’ characteristics according to physical activity level (n = 1033).

From: Association between physical activity and dynapenia in older adults with COPD: a nationwide survey

 

High (n = 72)

Moderate (n = 289)

Low (n = 672)

P for trend

Age (years)

70.74 ± 0.48

71.22 ± 0.26

71.98 ± 0.19

0.008

Male sex (%)

86.6 (5.5)

81.8 (2.4)

71.7 (2.0)

0.007

BMI (kg/m2)

23.87 ± 0.32

23.84 ± 0.17

23.90 ± 0.12

0.956

Smoking (%)

0.280

 Never

20.1 (5.8)

33.4 (3.1)

34.7 (2.1)

 

 Past

57.3 (7.1)

46.0 (3.3)

44.8 (2.2)

 

 Current

22.7 (5.5)

20.6 (3.0)

20.5 (1.9)

 

Excessive alcohol consumption (%)

18.8 (6.0)

10.7 (2.3)

9.7 (1.4)

0.172

Education (%)

0.017

 Middle school and lower

51.8 (7.1)

61.8 (3.4)

69.4 (2.2)

 

 High school and higher

48.2 (7.1)

38.2 (3.4)

30.6 (2.2)

 

Comorbidities (%)

 Hypertension

46.7 (6.8)

59.1 (3.1)

60.0 (2.1)

0.144

 Diabetes

33.7 (7.2)

22.6 (2.8)

30.8 (2.0)

0.084

 Anemia

6.6 (2.9)

7.2 (1.7)

11.2 (1.5)

0.158

 Asthma

3.0 (1.8)

6.6 (2.0)

6.6 (1.1)

0.535

 Cardiovascular disease

9.5 (4.2)

10.9 (2.3)

13.2 (1.5)

0.606

 Depression

1.2 (1.2)

3.8 (1.2)

4.8 (1.0)

0.339

Total calorie intake (kcal/day)

2233.20 ± 151.32

1953.77 ± 49.40

1778.01 ± 30.82

 < 0.001

Handgrip strength (kg)

33.36 ± 0.87

31.25 ± 0.48

28.52 ± 0.37

 < 0.001

FEV1 (L)

2.19 ± 0.06

2.17 ± 0.04

2.04 ± 0.02

0.003

FVC (L)

3.55 ± 0.10

3.42 ± 0.05

3.23 ± 0.04

0.001

Peak expiratory flow (L/s)

6.11 ± 0.19

5.84 ± 0.12

5.54 ± 0.08

0.007

  1. Data are weighted means ± SE or weighted percentage (SE), as appropriate.
  2. BMI, body mass index; FEV1, forced expiratory volume in one second; FVC, forced vital capacity.