Table 1.

Cluster characteristics according to the 5-cluster solution.

Cluster	Users, n	Longevity, n (days)			Records, n
		Minimum	Maximum	Mean	Minimum	Maximum	Mean
Blue	2415	49	1906	321.8	18	7699	158.2
Black	2387	56	1865	418.5	2	76	12.6
Cyan	3640	3	67	21.5	6	34	22.7
Red	3467	5	109	30.1	2	21	6.1
Green	6415	1	7	2.6	2	47	3.4