Table 3 The association between 12-month change in gait speed and fall risk (N = 2776, observations = 10,639^a)

Model 1

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

 Faster

0.96

0.86 to 1.07

 Slower

1.07

0.97 to 1.17

Model 2 = Model 1 + previous gait speed

 Faster

0.92

0.82 to 1.03

 Slower

1.16

1.05 to 1.29

Model 3 = Model 2 + previous falls (categorical)

 Faster

0.96

0.86 to 1.07

 Slower

1.14

1.03 to 1.27

Model 4 = Model 3 + cognition

 Faster

0.96

0.86 to 1.07

 Slower

1.14

1.03 to 1.26

Model 5 = Model 4 + polypharmacy^b

 Faster

0.97

0.87 to 1.08

 Slower

1.13

1.02 to 1.25