Table 2. Cross-table with the number of elders (and row percentages) classified in the four clusters originated by the multivariate regression tree (T-cluster) and by the K-means clustering (C-cluster) analysis.

		Multivariate regression tree clustering
		T-cluster 1	T-cluster 2	T-cluster 3	T-cluster 4
K-means clustering	C-cluster 1	65 (72)	10 (11)	15 (17)	0 (0)
	C-cluster 2	48 (33)	16 (11)	50 (35)	31 (21)
	C-cluster 3	2 (25)	0 (0)	4 (50)	2 (25)
	C-cluster 4	9 (11)	9 (11)	22 (26)	44 (52)