Table 2.

D-study reliability estimates and variance components for the Person (P) × Item (I): Country (C) design including interactions for the Stroke Riskometer with removing one item at a time.

Removing item	P	(I:C)		P × (I:C)		Gr	Ga
	σ2	σ2	%	σ2	%
1	0.004	0.000	15.5	0.001	84.5	0.84	0.81
2	0.004	0.000	15.7	0.001	84.3	0.83	0.80
3	0.004	0.000	15.7	0.001	84.3	0.83	0.80
4	0.004	0.000	16.1	0.001	83.9	0.83	0.81
5	0.004	0.000	16.0	0.001	84.0	0.83	0.80
6	0.004	0.000	15.8	0.001	84.2	0.84	0.81
7	0.004	0.000	15.7	0.001	84.3	0.83	0.80
8	0.004	0.000	15.8	0.001	84.2	0.83	0.81
9	0.004	0.000	15.5	0.001	84.5	0.83	0.81
10	0.004	0.000	15.9	0.001	84.1	0.83	0.80
11	0.004	0.000	15.6	0.001	84.4	0.83	0.80
12	0.004	0.000	15.8	0.001	84.2	0.83	0.81
13	0.004	0.000	15.8	0.001	84.2	0.83	0.80
14	0.004	0.000	15.8	0.001	84.2	0.83	0.81
15	0.004	0.000	16.2	0.001	83.8	0.84	0.81
16	0.004	0.000	15.2	0.001	84.8	0.84	0.81