Table 1.

Social-demographic characteristics of interviewees (N = 31)

Characteristic		Number of participants (Percentage)
Age	20~29	15 (48.4%)
	30~39	14 (45.2%)
	≥40	2 (6.5%)
Gender	Male	28 (90.3%)
	Female	3 (9.7%)
Sexual orientation	Gay	20 (64.5%)
	Heterosexual	9 (29.0%)
	Nondisclosure	2 (6.5%)
Education level	University and above	20 (64.5%)
	Junior college	4 (12.9%)
	Middle school and below	7 (22.6%)
HIV serostatus	Positive	19 (61.3%)
	Negative	12 (38.7%)
Contest participation	Contest participant	16 (54.8%)
	Contest organizer	6 (16.1%)
	No experience with contest	9 (29.0%)
Trial participation	Trial participant	9 (29.0%)
	No experience with trials	22 (71.0%)