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Table 1 Characteristics of the study participants (N = 1068)

From: Cross-sectional association of physical activity levels with risks of sarcopenia among older Taiwanese adults

 

Total

(N = 1068)

Sarcopenia

p-value

Normal

(n = 990) 92.7%

At risk

(n = 78) 7.3%

n

%

n

%

n

%

 

Gender

   

.00a*

Male

505

47.3%

484

95.8%

21

4.2%

 

Female

563

52.7%

506

89.9%

57

10.1%

 

Age

      

.00a*

Mean (± SD)

72.2 (± 5.7)

71.9(± 5.5)

75.4(± 6.7)

.00b*

65–74 years

731

68.4%

693

94.8%

38

5.2%

 

75 + years

337

31.6%

297

88.1%

40

11.9%

 

Region of residence

      

.81a

Urban area

684

64.0%

635

92.8%

49

7.2%

 

Suburban area

384

36.0%

355

92.4%

29

7.6%

 

Education level

      

.02a*

Lower than university

798

74.7%

731

91.6%

67

8.4%

 

University or higher

270

25.3%

259

95.9%

11

4.1%

 

Employment status

      

.00a*

Full-time

125

11.7%

124

99.2%

1

0.8%

 

Part-time

943

88.3%

866

91.8%

77

8.2%

 

Marital status

      

.00a*

Married

829

77.6%

781

94.2%

48

5.8%

 

Unmarried

239

22.4%

209

87.4%

30

12.6%

 

Living status

      

.02a*

Alone

99

9.3%

86

86.9%

13

13.1%

 

With others

969

90.7%

904

93.3%

65

6.7%

 

Smoking status

      

.04a*

No

991

92.8%

914

92.2%

77

7.8%

 

Yes

77

7.2%

76

98.7%

1

1.3%

 

Alcohol consumption

      

.01a*

No

962

90.1%

885

92%

77

7.8%

 

Yes

106

9.9%

105

99.1%

1

0.9%

 

Healthy diet

      

.00a*

No

227

21.3%

199

87.7%

28

12.3%

 

Yes

841

78.7%

791

94.1%

50

5.9%

 

BMI (kg/\({\text{m}}^{\text{2}})\)

      

.32a

Mean (± SD)

24.1 (± 3.5)

24.0(± 3.4)

24.9(± 4.5)

.03b*

Underweight & Normal weight (BMI < 24 kg/m2)

565

52.9%

528

93.5%

37

6.5%

 

Overweight (BMI ≥ 24 kg/m2)

503

47.1%

462

91.8%

41

8.2%

 

Sedentary behavior

      

.02a*

Mean (± SD)

271.8(± 136.6)

269.6(± 134.6)

 

299.7(± 158)

.02b*

< 9 h/dairy

1009

94.5%

940

93.2%

69

6.8%

 

≥ 9 h/dairy

59

5.5%

50

84.7%

9

15.3%

 

Overall physical activity levels

      

.00a*

Mean (± SD)

772.9 (± 797.2)

809.9(± 804.3)

303.3(± 506.7)

.00b*

Insufficient PAL (< 150 min/week)

168

15.7%

129

76.8%

39

23.2%

 

Sufficient PAL (≥ 150–300 min/week)

184

17.3%

167

90.8%

17

9.2%

 

Exceeded PAL (> 300 min/week)

716

67%

694

96.9%

22

3.1%

 

Moderate-intensity PALs (including walking)

      

.00a*

Mean (± SD)

701.6 (± 723.9)

733.6(± 729.2)

295.5(± 501.6)

.00b*

Insufficient PAL (< 150 min/week)

188

17.6%

148

78.7%

40

21.3%

 

Sufficient PAL (≥ 150–300 min/week)

183

17.1%

166

90.7%

17

9.3%

 

Exceeded PAL (> 300 min/week)

697

65.3%

676

97%

21

3%

 

Vigorous-intensity PALs

      

.01a*

Mean (± SD)

71.2 (± 243.4)

76.2(± 251.9)

7.82(± 37.8)

.00b*

Insufficient PAL (< 75 min/week)

900

84.3%

825

91.7%

75

8.3%

 

Sufficient PAL (≥ 75–150 min/week)

42

3.9%

41

97.6%

1

2.4%

 

Exceeded PAL (> 150 min/week)

126

11.8%

124

98.4%

2

1.6%

 
  1. Abbreviations: BMI: body mass index; PAL: physical activity level
  2. \({ }^{a*}\)P < .05 indicated a significant difference for categorical variables compared with χ2 tests
  3. \({ }^{b*}\)P < .05 indicated a significant difference for continuous variables compared with t-tests