Table 4.
Interrater agreement for age, gender, and BMI subgroups.
| Raters | Cohen κ | Percent agreement | ||||||||||||||
|
|
|
|
|
Mean (95% CI) | P valuea | Mean (95% CI) | P valuea | |||||||||
| All |
|
|
|
|
||||||||||||
|
|
Physiotherapist 1 vs physiotherapist 2 | 0.607 (0.535-0.679) |
|
0.833 (0.800-0.863) |
|
|||||||||||
|
|
|
|
App vs physiotherapist 1 | 0.551 (0.474-0.628) | .31 | 0.815 (0.780-0.847) | .46 | |||||||||
|
|
|
App vs physiotherapist 2 | 0.626 (0.556-0.697) | .71 | 0.841 (0.807-0.870) | .74 | ||||||||||
| App vs agreement | 0.726 (0.654-0.798) |
|
0.893 (0.862-0.920) |
|
||||||||||||
| Gender |
|
|
||||||||||||||
|
|
Male |
|
|
|
|
|||||||||||
|
|
|
Physiotherapist 1 vs physiotherapist 2 | 0.603 (0.436-0.770) |
|
0.815 (0.721-0.889) |
|
||||||||||
|
|
|
App vs physiotherapist 1 | 0.456 (0.262-0.650) | .26 | 0.761 (0.661-0.844) | .34 | ||||||||||
|
|
|
App vs physiotherapist 2 | 0.603 (0.436-0.770) | >.999 | 0.815 (0.721-0.889) | >.999 | ||||||||||
|
|
App vs agreement | 0.667 (0.486-0.847) |
|
0.853 (0.753-0.924) |
|
|||||||||||
|
|
Female |
|
|
|
|
|||||||||||
|
|
|
Physiotherapist 1 vs physiotherapist 2 | 0.606 (0.526-0.686) |
|
0.837 (0.800-0.870) |
|
||||||||||
|
|
|
App vs physiotherapist 1 | 0.571 (0.488-0.655) | .55 | 0.826 (0.788-0.860) | .65 | ||||||||||
|
|
|
App vs physiotherapist 2 | 0.630 (0.552-0.708) | .67 | 0.846 (0.809-0.877) | .71 | ||||||||||
|
|
App vs agreement | 0.738 (0.660-0.816) |
|
0.901 (0.867-0.929) |
|
|||||||||||
| BMI |
|
|
||||||||||||||
|
|
<30 kg/m2 |
|
|
|
|
|||||||||||
|
|
|
Physiotherapist 1 vs physiotherapist 2 | 0.635 (0.558-0.713) |
|
0.848 (0.812-0.879) |
|
||||||||||
|
|
|
App vs physiotherapist 1 | 0.580 (0.497-0.663) | .34 | 0.830 (0.793-0.864) | .46 | ||||||||||
|
|
|
App vs physiotherapist 2 | 0.617 (0.539-0.696) | .75 | 0.839 (0.802-0.872) | .71 | ||||||||||
|
|
App vs agreement | 0.725 (0.646-0.804) |
|
0.895 (0.860-0.923) |
|
|||||||||||
|
|
≥30 kg/m2 |
|
|
|
|
|||||||||||
|
|
|
Physiotherapist 1 vs physiotherapist 2 | 0.473 (0.285-0.662) |
|
0.761 (0.661-0.844) |
|
||||||||||
|
|
|
App vs physiotherapist 1 | 0.416 (0.220-0.612) | .68 | 0.739 (0.637-0.825) | .72 | ||||||||||
|
|
|
App vs physiotherapist 2 | 0.665 (0.504-0.825) | .13 | 0.848 (0.758-0.914) | .11 | ||||||||||
|
|
App vs agreement | 0.728 (0.552-0.904) |
|
0.886 (0.787-0.949) |
|
|||||||||||
| Age |
|
|
|
|
||||||||||||
|
|
≤70 years |
|
|
|
|
|||||||||||
|
|
|
Physiotherapist 1 vs physiotherapist 2 | 0.578 (0.461-0.695) |
|
0.846 (0.795-0.888) |
|
||||||||||
|
|
|
App vs physiotherapist 1 | 0.554 (0.432-0.676) | .77 | 0.842 (0.791-0.885) | .90 | ||||||||||
|
|
|
App vs physiotherapist 2 | 0.640 (0.531-0.748) | .45 | 0.862 (0.813-0.902) | .59 | ||||||||||
|
|
App vs agreement | 0.743 (0.631-0.855) |
|
0.916 (0.870-0.949) |
|
|||||||||||
|
|
>70 years |
|
|
|
|
|||||||||||
|
|
|
Physiotherapist 1 vs physiotherapist 2 | 0.615 (0.522-0.708) |
|
0.823 (0.775-0.864) |
|
||||||||||
|
|
|
App vs physiotherapist 1 | 0.539 (0.438-0.640) | .28 | 0.793 (0.742-0.837) | .33 | ||||||||||
|
|
|
App vs physiotherapist 2 | 0.611 (0.517-0.705) | .95 | 0.823 (0.775-0.864) | >.999 | ||||||||||
|
|
App vs agreement | 0.708 (0.613-0.803) |
|
0.874 (0.826-0.913) |
|
|||||||||||
aComparison of subrow with Physiotherapist 1 vs physiotherapist 2.