Table 3 Poisson regressions of the relationship between multiple falls and knee pain; univariate models with a single covariate, followed by multivariate models, and p values associated with the independent samples t-test of each variable with knee pain and faller group status

Univariate

2.00 (1.28–3.14)

Sway Floor Eyes Closed

1.86 (1.19–2.93)

0.012

0.002

Coordinated Stability

1.91 (1.21–3.01)

0.014

0.066

Knee Torque

1.81 (1.14–2.88)

0.048

0.039

FES-I

1.69 (1.06–2.69)

0.001

< 0.001

Timed Up and Go

1.97 (1.25–3.08)

0.001

0.099

BMI

1.88 (1.19–2.96)

< 0.001

0.075

Model 1

FES-I

BMI

1.63 (1.02–2.61)

Model 2

FES-I

Knee Torque

BMI

1.57 (0.97–2.54)

Model 3

FES-I

Knee Torque

Sway Floor Eyes Closed

BMI

1.55 (0.96–2.51)