Table 1.

Demographic and academic characteristics of the sample obtained from University Project for Healthy Students (PUERTAS), Mexico, 2018–2019

	Total sample (n = 7,022)		Gamers (n = 4,262; 60.7%)		Active gamers (n = 2,547; 36.3%)
	n	%	n	%	n	%
Gender
Male	3,117	44.6	2,502	59.0	1,872	73.9
Female	3,856	55.1	1,723	40.6	657	25.9
Other	19	0.3	14	0.3	5	0.2
Age (years)
18–19	5,087	72.4	3,172	74.4	1,858	72.9
20+	1,935	27.6	1,090	25.6	689	27.1
Maximum parent’s education
Do not know	44	0.6	28	0.7	12	0.5
None	38	0.5	14	0.3	7	0.3
Elementary	333	4.7	140	3.3	79	3.1
Middle school	1,510	21.5	869	20.4	520	20.4
High school	2,361	33.6	1,454	34.1	878	34.5
Undergraduate	2,210	31.5	1,410	33.1	838	32.9
Graduate	526	7.5	347	8.1	213	8.4
Self-ranked academic achievement
Top 20%	2,803	40.0	1,719	40.4	1,022	40.1
Middle	2,501	35.7	1,552	36.4	930	36.5
Bottom 25%	90	1.3	57	1.3	33	1.3
Do not know	1,617	23.1	930	21.8	562	22.1

Note. Not all frequencies add up to the total sample size due to missing values.