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Table 2 Backward stepwise regression analysis assessing the variance in UPDRS-ADL, SE-ADL and PASE explained by chair-rise ability after accounting for physical impairments

From: Relation of chair rising ability to activities of daily living and physical activity in Parkinson’s disease

Dependent Variables

Independent Variables

β (p-value)

R2

Adjusted R2

F of model

(p-value)

UPDRS-ADL

(resulting model)

Sex

.224 (.011)

.403

.374

F(4, 83) = 13.989

(<.001)

UPDRS-Motor

.309 (.001)

  

Slow

.253 (.008)

  

Push self-up

.357 (<.001)

  

SE-ADL

(resulting model)

HY

−.352 (.001)

.257

.239

F(2,83) = 14.344

(<.001)

Push self-up

−.266 (.009)

  

PASE

(resulting model)

Age

−.264 (.011)

.162

.142

F(2,85) = 8.208

(.001)

Push self-up

−.250 (.016)

  
  1. Note: UPDRS Unified Parkinson’s Disease Rating Scale, SE-ADL Schwab and England Activities of Daily Living Scale, PASE Physical Activity Scale for the Elderly, HY Hoehn and Yahr Scale