Table 1.

Initial clusters formed based on the gambling metrics assessed

	Cluster 1	Cluster 2	Cluster 3	Cluster 4
Communication with customer services	− 0.293	− 0.087	− 0.087	− 0.293
Hours spent gambling	− 0.589	0.198	1.147	0.035
Number of active days gambling	− 0.208	1.058	0.080	− 0.151
Daily deposit amount	− 0.073	24.379	0.001	− 0.193
Increase in number of days gambling over time	0.500	0.500	0.500	0.500
Increase in number of deposits over time	− 0.952	0.015	1.467	0.015
Removal of RG tools	− 0.248	− 0.248	2.650	− 0.248
Cancelled withdrawals	22.130	− 0.068	− 0.068	− 0.068
Abusive communication with customer services	− 0.072	− 0.072	24.067	− 0.072
Chasing losses	− 0.077	23.846	0.103	− 0.137
Third-party calls	− 0.068	− 0.068	− 0.068	22.130
Number of registered credit cards	− 0.228	0.963	3.343	− 0.228
Frequency of bonus begging	− 0.151	− 0.151	6.720	0.148