Assessing fidelity of a community based psychosocial intervention for people with mild dementia within a large randomised controlled trial

Table 5 Fidelity and Kappa scores by sites

	Researcher 1 score^a	Researcher 2 score^a	Agreed Researcher score	%	Kappa score	P value	CI
Site 1	127	124	127/144	88	0.77	p = < 0.05	0.43–0.84
Site 2	137	136	137/144	95	0.64	p = < 0.05	0.39–0.78
Site 3	123	122	123/144	85	0.66	p = < 0.05	0.45–0.86
Site 4	128	132	130/144	90	0.59	p = < 0.05	0.57–0.96

^aThe score is a combined total per researcher for the two in-venue group meetings observed by site

ISSN: 1471-2318