Table 4 The association between 12-month change in gait speed and risk of multiple falls (N = 2776, observations = 10,639^a)

Model 1

Reference is no change (0.10 m/s faster to 0.10 m/s slower)

 Faster

1.03

0.84 to 1.27

 Slower

1.21

1.01 to 1.45

Model 2 = Model 1 + previous gait speed

 Faster

0.92

0.75 to 1.14

 Slower

1.53

1.26 to 1.86

Model 3 = Model 2 + previous falls (categorical)

 Faster

1.03

0.84 to 1.26

 Slower

1.49

1.22 to 1.82

Model 4 = Model 3 + cognition

 Faster

1.04

0.85 to 1.27

 Slower

1.47

1.21 to 1.80

Model 5 = Model 4 + polypharmacy^b

 Faster

1.04

0.84 to 1.28

 Slower

1.44

1.18 to 1.75