Table 1.
Characteristics of Participants (n = 834).
| Variable | All Participants | ||
|---|---|---|---|
| No. (%) | Mean ± SD | ||
| Age (year) | 23.7 ± 6.0 | ||
| Gender | Male | 454 (54.4) | |
| Female | 380 (45.6) | ||
| Anthropometrics | Height (cm) | 170.0 ± 8.9 | |
| Weight (kg) | 64.8 ± 13.5 | ||
| BMI (kg·m-2) | 22.3 ± 3.7 | ||
| Location | Urban | 212 (25.4) | |
| Suburban | 427 (51.2) | ||
| Rural | 177 (21.2) | ||
| Education | Less than high school | 0 (0.0) | |
| High school diploma | 0 (0.0) | ||
| Some college | 712 (85.4) | ||
| College graduate | 79 (9.5) | ||
| Graduate degree | 43 (5.2) | ||
| Annual Household Income |
<1000 thousand KRW (USD < 915) | 394 (47.2) | |
| 1000–2000 thousand KRW (USD 915–1830) | 43 (5.2) | ||
| 2000–3000 thousand KRW (USD 1830–2745) | 34 (4.1) | ||
| ≥3000 thousand KRW (USD ≥ 2745) | 48 (5.8) | ||
| Occupation | Office workers | 23 (2.8) | |
| Administrators, managers, and professionals | 19 (2.3) | ||
| Skilled agricultural and fishery workers | 44 (5.3) | ||
| Students | 742 (89.0) | ||
| Jobless (e.g., housewife) | 5 (0.6) | ||
| Married | Married or living as married | 58 (7.0) | |
| Single | 774 (92.8) | ||
| Infection of COVID-19 |
Yes | 0 (0.0) | |
| No | 834 (100.0) | ||
SD: standard deviation, BMI: Body Mass Index; Urban: includes a capital and metropolis city in South Korea, Suburban: includes a nearby city that surrounds the capital city, Rural: includes the rest of the cities except urban and suburban; Total number of persons responded 816 at the location, and 2.2% missing from the table (did not answer), Total number of persons responded 519 at income, and 37.8% missing from the table (did not answer), Total number of persons responded 833 at occupation, and 0.1% missing from the table (did not answer), Total number of persons responded 832 at married, and 0.2% missing from the table (did not answer), 1 USD = 1092.80 KRW (Korean Won, 15 December 2020).