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. Author manuscript; available in PMC: 2022 Feb 25.
Published in final edited form as: J Appl Biomech. 2020 Aug 25;36(5):298–306. doi: 10.1123/jab.2019-0211

Table 2.

Generalized Estimating Equations Model for Change in Rate of Falls, Proactive Control of Stability, Reactive Control of Stability, and Hip Height in 3 Groups (Control, TM_24, and TM_40) With Initial Posttraining and 6-Month Follow-Up Test

Predictor: rate of falls OR 95% CI P value
Time (initial vs retest) 0.57 −0.81 to 1.95 .420
Group (Control vs TM_24) −0.52 −2.10 to 1.04 .510
Group (Control vs TM_40) −2.19 −4.03 to −0.35 .020
Group (TM_24 vs TM_40) −1.66 −3.58 to 0.25 .089
Group (Control vs TM_24) × time (initial vs retest) −0.30 −2.61 to 2.02 .803
Group (Control vs TM_40) × time (initial vs retest) −0.99 −3.94 to 1.97 .513
TUG score −0.18 −0.45 to 0.11 .238
Predictor: proactive control of stability Estimate 95% CI P value
Time (initial vs retest) 0.02 −0.02 to 0.05 .375
Group (Control vs TM_24) −0.01 −0.05 to 0.03 .668
Group (Control vs TM_40) 0.04 0.00 to 0.07 .046
Group (TM_24 vs TM_40) 0.05 0.01 to 0.09 .022
Group (Control vs TM_24) × time (initial vs retest) 0.01 −0.05 to 0.06 .822
Group (Control vs TM_40) × time (initial vs retest) 0.00 −0.04 to 0.04 .860
TUG score 0.01 −0.00 to 0.01 .092
Predictor: reactive control of stability Estimate 95% CI P value
Time (initial vs retest) 0.04 −0.51 to 0.11 .336
Group (Control vs TM_24) 0.13 0.00 to 0.26 .049
Group (Control vs TM_40) 0.20 0.10 to 0.21 <.001
Group (TM_24 vs TM_40) 0.08 −0.04 to 0.09 .211
Group (Control vs TM_24) × time (initial vs retest) −0.06 −0.20 to 0.09 .453
Group (Control vs TM_40) × time (initial vs retest) −0.04 −0.16 to 0.07 .446
TUG score 0.00 −0.01 to 0.03 .418
Predictor: hip height Estimate 95% CI P value
Time (initial vs retest) 0.01 −0.01 to 0.04 .258
Group (Control vs TM_24) −0.00 −0.03 to 0.03 .876
Group (Control vs TM_40) 0.04 0.01 to 0.07 .013
Group (TM_24 vs TM_40) 0.04 0.01 to 0.08 .006
Group (Control vs TM_24) × time (initial vs retest) −0.00 −0.04 to 0.04 .883
Group (Control vs TM_40) × time (initial vs retest) −0.01 −0.05 to 0.03 .636
TUG score 0.01 0.00 to 0.01 .001

Abbreviations: 95% CI, 95% confidence interval; OR, odds ratio; TUG, Timed Up and Go test; TM_24, the treadmill training group with 24 slip perturbations; TM_40, the treadmill training group with 40 slip perturbations.