Table 1. Mexican and Spanish participants’ sociodemographic data.

	Mexico		Spain
	n	%	n	%
Gender
Male	178	46	94	25.3
Female	209	54	277	74.7
Age
<20	327	84.5	153	41.2
21–35	60	15.5	218	58.8
Field of knowledge
Arts and Humanities	82	21.2	48	12.9
Sciences	161	41.6	43	11.6
Health Sciences	19	4.9	48	12.9
Social and Legal Sciences	102	26.4	219	59
Engineering and Architecture	23	5.9	13	3.5
Marital status
Single	373	96.4	210	56.6
Couple	7	1.8	155	41.8
Married	3	.8	5	1.3
Divorced	4	1	1	.3
Siblings
Yes	357	92.2	337	90.8
No	30	7.8	34	9.2
Position between siblings
First	186	48.1	173	46.6
Second	126	32.6	144	38.8
Third	54	14	43	11.6
Fourth	15	3.9	7	1.9
Fifth	6	1.6	4	1.1
Lives with parents
Yes	283	73.1	194	52.3
No	104	26.9	177	47.7
Religious beliefs
Yes	305	78.8	141	38
No	82	21.2	230	62
Sexual orientation
Heterosexual	356	92	279	75.2
Homosexual	7	1.8	23	6.2
Bisexual	24	6.2	69	18.6
Number of social networks
≤2	11	2.8	14	3.8
3	20	5.2	29	7.8
4	23	5.9	45	21.1
5	41	10.6	40	10.8
6	65	16.8	60	16.2
7	87	22.5	69	18.6
8	68	17.6	49	13.2
9	41	10.6	36	9.7
≥10	31	8	29	7.8
Daily Internet usage time for academic purposes
<1 hour	29	7.5	40	10.8
1–2 hours	95	24.5	142	38.3
2–3 hours	140	36.2	118	31.8
3–4 hours	79	20.4	46	12.4
4–5 hours	24	6.2	14	3.8
>5 hours	20	5.2	11	3
Daily Internet usage time for leisure
<1 hour	21	5.4	20	5.4
1–2 hours	66	17.1	68	18.3
2–3 hours	130	33.6	127	34.2
3–4 hours	98	25.3	94	25.3
4–5 hours	40	10.3	34	9.2
>5 hours	32	8.3	28	7.5
Electronic device
Computer	19	4.9	13	3.5
Laptop	116	30	123	33.2
Smartphone	244	63	231	62.3
Tablet	8	2.1	4	1.1