Table 1. Demographic and Clinical Characteristics of Study Population.
| Clinical and Demographic information | Overall (n = 241) | % |
| Age - years (median - IQR) | 27 | IQR 22–37 |
| Gender - male | 202 | 83.8 |
| Have you been in a developing country in the last year? | 41 | 17.1 |
| What country? | ||
| - Latin America/Caribbean | 23 | 55.2 |
| - Middle East | 17 | 40.8 |
| - Other | 1 | 2.4 |
| Diarrhea or vomiting in the last two weeks? | 67 | 27.8 |
| Duration of diarrhea or vomiting? (days) | 3 | IQR 2–4 |
| Fever | 5 | 8.2 |
| Blood in Stool | 1 | 1.0 |
| Abdominal Pain | 30 | 49.2 |
| Dehydration | 14 | 23.0 |
| Nausea | 17 | 27.9 |
| Headache | 20 | 32.8 |
| Present at sick call due to diarrhea or vomiting? | 38 | 62.3 |
| Stop or signifcantly reduce work at least one day? | 9 | 14.8 |
| how many days miss work? | ||
| - one day | 5 | 55.5 |
| - two days | 4 | 44.4 |
| Receive IV fluids? | 4 | 6.6 |
| Receive antibiotics? | 35 | 57.4 |
| Antibiotic self-medication? | 4 | 6.6 |
| Preventive Medicine Information before Deployment | 85 | 35.3 |
| Method of Delivery | ||
| - paper-based | 25 | 29.1 |
| - Lecture | 39 | 45.4 |
| - online training | 6 | 6.9 |
| - other | 7 | 8.1 |
| Topics covered in training | ||
| - Malaria | 64 | 74.4 |
| - dengue | 33 | 38.3 |
| - diarrhea | 51 | 59.3 |
| - injuries | 40 | 46.5 |
| - healthcare access | 33 | 38.4 |
| - insurance | 11 | 12.8 |
| - personal hygiene | 62 | 72.1 |
| - other | 7 | 8.1 |