Table 1.

Demographic information of study participants and frequency of tea consumption^(a).

	Percentage (n)
Gender
Male	33 (5)
Female	67 (10)
Age
19–29	87 (13)
30–40	13 (2)
≤40	0
Frequency of tea consumption (per month)
Never	13 (2)
≥5 times	60 (9)
≥10 times	27 (4)
≥20 times	0 (0)
Daily	0 (0)

^(a)A total of 15 participants were recruited from the Gyeongnam National University of Science and Technology through fliers. The protocol was approved by the University Institutional Review Board and written consent forms were obtained from the participants in advance ofcollecting data.