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Table 3 Difference in registered active behaviour between VitaMove activity monitor and video

From: Validation of an activity monitor for children who are partly or completely wheelchair-dependent

Participant

Wheelchair protocol

Leg protocol

 

Total duration

Activity difference

Total duration

Activity difference

 

seconds

seconds

%

seconds

seconds

%

1

830

+162

+20

223

−37

−17

2

1122

+80

+7

271

0

0

3

826

−78

−9

388

−97

−25

4

1382

7

0

214

+14

+7

5

1003

+91

+9

321

−5

−2

6

1396

+4

0

   

7

1392

+53

+4

   

8

1259

+43

+3

   

9

1390

−61

−4

   

10

1079

−39

−4

   

11

1118

−85

−8

   

12

1202

−78

−7

   

Sum

13999

+99

+11

1417

−125

−37

Absolute % error

  

6

  

10

  1. + indicates overestimation and – underestimation of active behaviour by the VitaMove activity monitor.