Table 1.

Prevalence and frequency of use.

Behavior	Three-month prevalence	Less than once per month	A few times per month	A few times per week	Every day or almost
Alcohol use	83.36	6.88	38.83	30.77	6.88
Tobacco use	39.07	1.42	3.37	4.80	29.48
Cannabis use	16.86	4.54	5.71	2.59	4.02
Excessive shopping	59.07	42.07	15.32	1.68	–
Excessive sport	68.55	17.01	22.85	23.63	5.06
Excessive work	59.07	11.42	21.94	16.49	9.22
Excessive eating	60.23	20.38	25.45	10.51	3.89
Excessive mobile phone use	49.45	7.27	10.38	11.03	20.77
Drugs	5.94	3.63	1.29	0.25	0.77
Cocaine use	1.28	0.90	0.38	–	–
Antidepressant use	0.26	–	–	–	0.26
Hallucinogen use	1.02	0.77	0.25	–	–
Amphetamine use	0.63	0.38	0.25	–	–
Opiate use	0.37	–	–	0.12	0.25
Others	0.12	–	–	–	0.12
Involvement in gambling	29.84	16.49	10.38	2.20	0.77
Lottery	10.76	4.67	4.54	1.55	–
Poker	2.19	1.55	0.64	–	–
Online poker	1.91	0.64	0.64	0.25	0.38
Casino	1.41	1.16	0.25	–	–
Scratch cards	9.46	6.49	2.85	–	0.12
Bets	0.88	0.25	0.51	–	0.12
Slot machines	0.24	0.12	0.12	–	–
Others	0.51	0.51	–	–	–
Involvement in online activities	84.52	1.03	4.02	14.93	64.54
Multiplayer games	1.79	–	0.12	0.64	1.03
Other games	4.13	–	0.25	1.29	2.59
Social networks	32.58	–	1.16	4.02	27.40
Chatting	4.9	0.12	0.25	0.77	3.76
Pornography	0.88	–	0.12	0.38	0.38
Searching/downloading	16.34	0.77	1.16	4.41	10
Forum	1.29	–	–	–	1.29
Others	3.22	–	0.12	0.38	2.72

Note. Numbers are expressed as a percentage of the total sample. “Others” = answers corresponding to other behaviors reported by the participants.