Table 1.
Demographic characteristic of the participants
| Variable | Value (N=445) |
|---|---|
| Age | |
| 19–21 yr | 250 (56.2) |
| 22–24 yr | 137 (30.8) |
| 25–27 yr | 41 (9.2) |
| 28–29 yr | 17 (3.8) |
| Sex | |
| Male | 208 (46.7) |
| Female | 237 (53.3) |
| Occupation | |
| College or graduate student | 371 (83.4) |
| Office workers | 44 (9.9) |
| Self-employed | 1 (0.2) |
| Inoccupation | 15 (3.4) |
| Others | 14 (3.1) |
| Regional distribution | |
| Gyeonggi-do | 247 (55.5) |
| Gyeongsang-do | 108 (24.3) |
| Chungcheong-do | 71 (15.9) |
| Other regions | 19 (4.3) |
| Mainly used Social Media | |
| 246 (55.3) | |
| 170 (38.2) | |
| 22 (4.9) | |
| Kakao Story | 5 (1.1) |
| Never Band | 2 (0.5) |
| Hours of use | |
| <30 min | 91 (20.5) |
| 30–60 min | 121 (27.2) |
| 1–2 hr | 98 (22.0) |
| 2–3 hr | 66 (14.8) |
| 3–4 hr | 36 (8.1) |
| >4 hr | 33 (7.4) |
Values are presented as number (%)