Table 1.
Descriptive statistics of the demographic variables of the study population (n = 713).
| Variable | Characteristics | Mean ± S.D. | n (%) |
|---|---|---|---|
| Age | - | 24.61 ± 8.60 | - |
| Gender | Female | - | 501 (70.3) |
| Male | - | 176 (24.7) | |
| Others | - | 14 (2.0) | |
| Not reported | - | 22 (3.1) | |
| Race/ethnicity | White/Caucasian | - | 530 (74.3) |
| Black or African | - | 33 (4.6) | |
| Hispanic or Latino | - | 56 (7.9) | |
| Asian American | - | 39 (5.4) | |
| Others | - | 31 (4.4) | |
| Not reported | - | 24 (3.4) | |
| Current year in school | First-year undergraduate | - | 164 (23.0) |
| Second-year undergraduate | - | 95 (13.3) | |
| Third-year undergraduate | - | 90 (12.6) | |
| Fourth-year undergraduate | - | 104 (14.6) | |
| Fifth-year undergraduate | - | 30 (4.2) | |
| Graduate | - | 195 (27.3) | |
| Professional degree | - | 11 (1.5) | |
| Not reported | - | 24 (3.4) | |
| Employment | Yes | - | 373 (52.3) |
| No | - | 318 (44.6) | |
| Not reported | - | 22 (3.1) | |
| Number of hours worked weekly * | - | 23.0 ± 12.3 | |
| Hand washing at least six times in the past day | Yes | - | 489 (68.6) |
| No | - | 224 (31.4) |
* Numbers of hours were reported by 340 (47.7%) participants only.