The Validity of the WHO-5 as an Early Screening for Apathy in an Elderly Population

Table 2

(a) Mokken analysis of WHO-5. The means and item (rankings) with the corresponding coefficients of homogeneity, (b) Rasch analysis. The locations (ranks).

(a)

	Item 1 good spirits	Item 5 interested in things	Item 2 relaxed	Item 3 energy	Item 4 fresh and rested
	3.17 (1)	3.17 (1)	3.15 (3)	3.06 (4)	3.02 (5)
Coefficients of homogeneity	0.63	0.63	0.62	0.55	0.53

(b)

	Item 1 good spirits	Item 5 interested in things	Item 2 relaxed	Item 3 energy	Item 4 fresh and rested
	−0.25 (1)	−0.09 (2)	−0.07 (3)	0.09 (4)	0.32 (5)