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Table 5 Meng’s Analysis: Comparison of Spearman Rho correlation coefficients between Activ8 positions and video observation

From: Detection of body postures and movements in ambulatory adults with cerebral palsy: a novel and valid measure of physical behaviour

 

Sitting

Basic Standing

Basic Walking

Upright Activitya

Bicycling

Running

r1

0.98

0.93

0.94

0.99

0.49

0.73

r2

0.86

−0.04

0.59

0.72

0.35

0.77

Z-score

2.96

3.60

2.88

4.82

0.42

1.36

p-value

.003*

< .001*

.004*

< .001*

.672

.174

r1

0.98

0.93

0.94

0.99

0.49

0.73

r3

0.48

0.14

0.37

0.79

0.39

0.74

Z-score

4.16

3.66

3.07

4.31

0.31

0.30

p-value

< .001*

< .001*

.002*

< .001*

.754

.763

r2

0.86

−0.04

0.59

0.72

0.35

0.77

r3

0.48

0.14

0.37

0.79

0.39

0.74

Z-score

2.44

0.46

0.87

1.00

0.14

1.03

p-value

.015*

.642

.384

.318

.886

.304

  1. r1: correlation coefficient for video/frontolateral thigh Activ8; r2: correlation coefficient for video/frontal thigh Activ8; r3: correlation coefficient for video/pant pocket Activ8; a. Upright Activity: the sum of Standing, Standing with Movement, and Walking categories
  2. * p < .05