Table 2 Characteristics of participants by joint trajectories in total hip BMD^a and grip strength in older men

Age (years)

72.3 ± 5.1

72.8 ± 5.3

72.6 ± 4.8

72.7 ± 5.3

73 ± 5.3

72.5 ± 5.5

72.8 ± 5.7

72.6 ± 5.4

72.4 ± 5.3

73.4 ± 5.6

0.143

Walking speed (m/s)

1.19 ± 0.22

1.20 ± 0.21

1.18 ± 0.22

1.24 ± 0.21

1.23 ± 0.21

1.22 ± 0.20

1.27 ± 0.22

1.29 ± 0.20

1.30 ± 0.21

1.20 ± 0.36

< 0001

Grip strength (kg)

34.6 ± 5

34.6 ± 5.5

35.1 ± 5.7

43.4 ± 5

43.5 ± 5.1

43.7 ± 5.1

52.7 ± 6.1

52.9 ± 5.3

52.8 ± 5.9

N/A

<.001

PASE

140.5 ± 64.7

147.4 ± 68.7

145.1 ± 69.3

150.6 ± 68.2

152.2 ± 65.7

155.1 ± 67.9

162.8 ± 62.5

159.1 ± 68.0

166.9 ± 70.8

151.3 ± 68.8

<.001

Total Hip BMD (g/cm²)

0.826 ± 0.08

0.991 ± 0.06

1.175 ± 0.08

0.826 ± 0.07

0.989 ± 0.06

1.173 ± 0.09

0.834 ± 0.07

0.988 ± 0.06

1.18 ± 0.08

0.955 ± 0.15

<.001

Excellent/good health

470 (84.2)

450 (84.6)

140 (88.1)

695 (89.8)

1003 (89.0)

351 (88.2)

203 (92.3)

448 (94.5)

171 (95.5)

208 (80.3)

<.001

One or more ADL limitation^a

120 (21.5)

113 (21.2)

35 (22)

106 (13.7)

167 (14.8)

63 (15.8)

23 (10.5)

52 (11)

22 (12.3)

67 (25.9)

<.001

BMI (kg/m²)

26.2 ± 3.8

27.9 ± 3.7

29.9 ± 3.8

26 ± 3.1

27.8 ± 3.7

29 ± 4.1

26.1 ± 3

27.8 ± 3.4

29.2 ± 3.5

27.4 ± 3.7

<.001

One or more medical conditions**

370 (66.3)

361 (67.9)

108 (67.9)

431 (55.7)

690 (61.2)

242 (60.8)

105 (47.7)

252 (53.2)

106 (59.2)

160 (61.8)

<.001

ALM/ht2 (kg/m²)

7.6 ± 0.9

7.9 ± 0.9

8.3 ± 1

7.8 ± 0.7

8.1 ± 0.9

8.4 ± 0.9

8.1 ± 0.8

8.4 ± 0.9

8.7 ± 0.9

8.0 ± 1.0

<.001

Probability of identified trajectory

0.89 ± 0.2

0.85 ± 0.2

0.85 ± 0.2

0.85 ± 0.2

0.84 ± 0.2

0.85 ± 0.2

0.86 ± 0.2

0.87 ± 0.2

0.89 ± 0.2

N/A

N/A

Identified Trajectory probability < =0.5

14 (2.5)

20 (3.8)

3 (1.9)

23 (3)

41 (3.6)

15 (3.8)

3 (1.4)

15 (3.2)

4 (2.2)

N/A

0.59