TABLE 2.

Demographic statistical analysis.

		Frequency	Percent
Gender	Male	265	47.4
	Female	294	52.6
Education level	Under the bachelor	207	8.6
	Bachelor	259	31.5
	Master	48	47.8
	Doctor	45	12.2
Family income	<$ 1,000	48	8.6
	$ 1,000–$ 2,000	176	31.5
	$ 2000–$ 4000	267	47.8
	>$ 4,000	68	12.2
Age	18–20	54	9.7
	21–25	126	22.5
	25–30	245	43.8
	>30	134	24.0