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Table 3 Multiple stepwise regression of FWS on mobility performance outcomes

From: The association between motor capacity and mobility performance: frailty as a moderator

 R2BSEBβtp
Maximal Number of Steps in One Bouta
 Step 1.258    .001
  (constant) 3.81.64 6.00<.001
  FWS .13.17.11.76.449
 Step 2.004    .575
  (constant) 3.85.64 5.99<.001
  FWS −.09.19.07.47.639
  frailty status dichot. −.06.11−.08−.56.575
 Step 3.055    .033
  (constant) 4.42.68 6.53<.001
  FWS −1.14.60−.92−1.92.060
  frailty status dichot. −.40.19−.54−2.13.037
  frailty stat. x FWS .76.35.852.18.033
 total R2 = .317 (N = 66; p = .001)
Average Number of Steps per Bouta
 Step 1.130    .070
  (constant) 1.98.37 5.34<.001
  FWS .50.10.08.49.625
 Step 2.001    .834
  (constant) 1.99.38 5.29<.001
  FWS .04.11.06.36.718
  frailty status dichot. −.01.06−.03−.21.834
 Step 3.013    .350
  (constant) 2.14.41 5.23<.001
  FWS −.28.36−.42−.78.437
  frailty status dichot. −.10.11−.26−.90.373
  frailty stat. x FWS .20.21.41.94.350
 total R2 = .144 (N = 66; p = .149)
Cumulated PA
 Step 1.379    <.001
  (constant) 70.3911.43 6.16<.001
  FWS −1.403.14−.06−.45.657
 Step 2.032    .074
  (constant) 72.7811.30 6.44<.001
  FWS −3.833.36.16−1.14.259
  frailty status dichot. −3.491.92−.24−1.82.074
 Step 3.006    .455
  (constant) 76.3812.31 6.21<.001
  FWS −11.5610.83−.47− 1.07.290
  frailty status dichot. −5.633.44−.39−1.64.107
  frailty stat. x FWS 4.766.33.27.75.455
  1.  total R2 = .417 (N = 66; p < .001)
  2. Step 1 to 3 controlled for age, number of comorbidities, and bmi
  3. FWS Fast walking speed
  4. a: log-transformed