Sociodemographic and health-related variables
| Variable | International students (n=197) | Domestic students (n=222) | Total (n=419) | P value |
| Age | 20.27±2.75 | 24.62±3.38 | 22.53±3.91 | <0.001* |
| Sex | 0.386 | |||
| Male | 110 (55.8%) | 112 (50.5%) | 222 (53%) | |
| Female | 86 (43.7%) | 110 (49.5%) | 196 (47%) | |
| Race/ethnicity | <0.001* | |||
| Hispanic | 15 (7.6%) | 8 (3.6%) | 23 (5.4%) | |
| White | 24 (12.2%) | 171 (77%) | 195 (46.5%) | |
| Asian | 137 (69.5%) | 27 (12.2%) | 164 (39%) | |
| Black/African American | 10 (5.1%) | 7 (3.2%) | 27 (6.4%) | |
| American Indian | 0 | 7 (3.2%) | 7 (1.6%) | |
| Health status | <0.001* | |||
| Diabetes | 1 (.5%) | 26 (11.7%) | 27 (6.4%) | |
| Hypertension | 1 (.5%) | 36 (16.2%) | 37 (8.8%) | |
| Autoimmune disease | 2 (1%) | 19 (8.6%) | 21 (5%) | |
| Hepatitis | 0 | 6 (2.7%) | 6 (1.4%) | |
| Asthma | 3 (1.5%) | 16 (7.2%) | 19 (4.5%) | |
| Cardiac disease | 0 | 2 (1%) | 2 (0.5%) | |
| Other chronic conditions | 3 (1.5%) | 3 (1.4%) | 6 (1.4%) | |
| Overall healthy | 75 (88.8%) | 109 (49.1%) | 284 (67.8%) | |
| Smoking status | 0.010* | |||
| Yes | 15 (7.6%) | 59 (26.6%) | 74 (17.7%) | |
| No, never | 167 (84.8%) | 145 (65.3%) | 312 (74.5%) | |
| Past smokers | 8 (4.1%) | 13 (5.9%) | 21 (5%) | |
| Currently up to date on vaccinations | 147 (74.6%) | 172 (77.5%) | 319 (76%) | 0.783 |
| Having health insurance | 186 (94.4%) | 170 (76.6%) | <0.001* | |
| College year | <0.001* | |||
| Freshman | 73 (37.1%) | 24 (10.8%) | 97 (23%) | |
| Sophomore | 33 (16.8%) | 32 (14.4%) | 65 (16%) | |
| Junior | 49 (24.9%) | 72 (32.4%) | 121 (29%) | |
| Senior | 38 (19.3%) | 92 (41.4%) | 130 (31%) | |
| Marital status | <0.001* | |||
| Married/living with a partner | 5 (2.5%) | 90 (40.5%) | 95 (22.7%) | |
| Divorced/separated | 1 (0.5%) | 0 | 1 (0.2%) | |
| Single | 150 (76.1%) | 100 (49.1%) | 259 (61.8%) | |
| In a relationship | 38 (19.3%) | 23 (10.4%) | 61 (14.6%) |
*Results were statistically significant.