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Table 2 Mean SMI and grip strength across 4 waves by age and towns

From: Neighborhood environment and muscle mass and function among rural older adults: a 3-year longitudinal study

  

SMI, mean (sd)

Grip strength, mean (sd)

2016

2017

2018

2019

2016

2017

2018

2019

Male

Unnan

60–75

7.6 (0.9)

7.7 (0.9)

7.6 (0.8)

7.6 (0.9)

37.2 (5.7)

37.3 (5.8)

37.1 (5.9)

37.1 (5.1)

 

76 + 

7.4 (0.8)

7.2 (0.7)

7.3 (0.8)

7.2 (0.8)

32.4 (5.8)

32.8 (5.7)

33.5 (4.4)

33.6 (4.8)

Oki

60–75

7.8 (1)

7.8 (1)

7.7 (0.9)

7.8 (0.9)

38.9 (6.2)

37.6 (5.7)

37 (5.9)

38.7 (6.5)

 

76 + 

7.5 (0.8)

7.4 (0.9)

7.4 (0.9)

7.4 (0.9)

33.8 (5.7)

33.4 (5.2)

32 (5.5)

32.9 (5.7)

Onan

60–75

7.8 (1)

7.9 (1.1)

 

7.7 (1)

37.2 (5.4)

36.6 (5.5)

 

36.4 (5.5)

Female

Unnan

60–75

6.2 (0.7)

6.2 (0.7)

6.2 (0.7)

6.2 (0.7)

23.7 (3.7)

25.3 (3.7)

24.3 (3.9)

24.1 (3.4)

 

76 + 

6.1 (0.8)

5.9 (0.6)

5.9 (0.6)

5.9 (0.8)

21 (3.8)

22.2 (4.1)

21.9 (3.9)

22 (3.8)

Oki

60–75

6.4 (0.7)

6.3 (0.6)

6.3 (0.7)

6.4 (0.8)

24.4 (3.6)

23.5 (3.5)

23.9 (3.7)

23.9 (3.8)

 

76 + 

6.2 (0.8)

6.1 (0.8)

6.1 (0.8)

6 (0.6)

21 (3.7)

20.5 (3.6)

21.2 (4.1)

20.9 (3.7)

Onan

60–75

6.4 (0.7)

6.3 (0.7)

 

6.4 (0.8)

23.8 (3.9)

24.3 (4.2)

 

23.6 (3.8)