From: Reporting of complex interventions in clinical trials: development of a taxonomy to classify and describe fall-prevention interventions
Kappa
Strength of agreement
Frequency (%)
0.81 - 1.00
Very Good
90.3
0.61 - 0.80
Good
2.1
0.41 - 0.60
Moderate
0.9
0.21 - 0.40
Fair
0.3
<0.20
Poor
6.5