Dimension	Category	Percentage	Dimension	Category	Percentage
Gender	Male	41.7%	Usage experience	less than 6 month	58.6%
Gender	Female	58.3%		6 month to less than 1 years	10.7%
Age	<18	2.4%		1 to less than 2 years	14.3%
	19 - 24	53.9%		1 to less than 2 years	14.3%
	25 - 30	33.9%		2 to less than 3 years	8.0%
	>31	9.9%		3 or more years	8.4%
Education	Senior high school	3.9%	Duration of usage per month	not once	44.3%
	Junior college	11.3%		once or twice in the last month	23.2%
	Bachelor’s degree	55.1%		once or twice a week	16.7%
	Master’s degree	26.8%		more than three Times a week	9.2%
	Doctor’s degree	3.0%		once or twice a day	3.9%
Occupation	Student	47.0%		more than three Times a day	2.7%
Occupation	Office worker	53.0%		more than three Times a day	2.7%