Table 1.

Demographic statistics.

Item	Category	Frequency	Percentage (%)
Gender	Male	253	47.6
	Female	279	52.4
Age	17 and below	9	1.7
	18–19 years	237	44.5
	20–21 years	206	38.7
	22–23 years	67	12.6
	24 and above	13	2.4
Grade	Freshman	144	27.1
	Sophomore	173	32.5
	Junior	120	22.6
	Senior	95	17.9
Years of Use	Less than 2 years	14	2.6
	2–4 years	105	19.7
	More than 4 years	413	77.6
Daily Usage	Less than 1 h	18	3.4
	1–2 h	78	14.7
	2–3 h	131	24.6
	3–4 h	116	21.8
	More than 4 h	189	35.5