Table 3

Inter-rater reliability and internal consistency for each domain of the AGREE II instrument

Domain	Inter-rater reliability		Internal consistency
Domain	Intraclass correlation coefficient (ICC)	Degree of agreement	Cronbach's α
1. Scope and purpose	0.38	Fair	0.87
2. Stakeholder involvement	0.69	Good	0.57
3. Rigour of development	0.89	Very Good	0.94
4. Clarity and presentation	0.39	Fair	0.94
5. Applicability	0.17	Poor	0.85
6. Editorial independence	0.87	Very Good	0.98
Overall	0.82	Very Good	N/A

Degree of agreement per ICC: <0.20 poor; 0.21–0.40 fair; 0.41–0.60 moderate; 0.61–0.80 good; 0.81–1.00 very good.27