Table 1. Sample demographic characteristics.

Variable	n	%
Gender:
Male	82	27
Female	222	73
Academic course:
Third	154	50.7
Fourth	150	49.3
Daily time spent using a smartphone:
<1h	48	15.8
1-3h	99	32.6
3-5h	86	28.3
>5h	71	23.4
Most common Smartphone activity:
Social networking	185	60.9
WhatsApp	279	91.8
Internet searches	131	43.1
Texting	14	4.6
Phone calls	85	28
Listening to music	80	26.3
Watching movies	57	18.8
Playing games	20	6.6
Others	18	5.9
	M	SD
Age (Range from 19 to 41 years old)	22.77	3.65
Age of beginning smartphone use	13.67	2.21
Frecuency a smartphone use during their clinical practicum	8.36	15.84