Table 2.
Demographic and travel-related characteristics of immunocompromised travelers compared with immunocompetent travelers‡
| Immunocompromised travelers | Immunocompetent travelers | P value* | |
|---|---|---|---|
| Number (% of total) | 486 (1.6) | 30,702 (98.4) | – |
| Age (median, range) | 46 (1.5–83) | 35 (0–94) | < 0.0001 |
| Female | 241 (50%) | 16,672 (54%) | 0.11 |
| Destination (UNHDI classification)† | 0.02 | ||
| Low human development | 138 (28%) | 9,507 (31%) | – |
| Medium human development | 242 (50%) | 14,852 (48%) | – |
| High human development | 84 (17%) | 5,407 (18%) | – |
| Very high human development | 22 (5%) | 936 (3%) | – |
| Days to departure (median, range) | 25 (0–424) | 25 (0–564) | 0.0004 |
| Duration of travel (days; median, range) | 14 (2–700) | 14 (0–9999) | 0.05 |
| Purpose of travel§ | |||
| Leisure | 288 (59%) | 16,563 (54%) | 0.01 |
| Business | 80 (16%) | 5,711 (19%) | 0.05 |
| VFR | 62 (13%) | 2,898 (9%) | 0.29 |
| Non-medical service work | 13 (3%) | 2,253 (7%) | 0.002 |
| Missionary work | 20 (4%) | 1,738 (6%) | 0.36 |
| Adventuring | 15 (3%) | 1,678 (6%) | 0.003 |
| Accommodations§ | |||
| Camping | 21 (4%) | 2,213 (7%) | 0.01 |
| Dormitory or hostel | 41 (8%) | 5,191 (17%) | < 0.0001 |
| Home stay with relatives | 92 (19%) | 4,516 (15%) | 0.07 |
| Hotel | 353 (73%) | 21,239 (69%) | 0.19 |
| Cruise | 38 (8%) | 1,240 (4%) | < 0.0001 |
| Taking a medication currently | 459 (94%) | 17,584 (57%) | < 0.0001 |
| Number of medications per person (median, range) | 3 (0–11) | 1 (0–15) | < 0.0001 |
UNHDI = United Nations Human Development Index; VFR = visiting friends and relatives.
*
P value calculated via random intercept model.
†
Travelers can travel to ≥ 1 destination.
‡
All percentages are column percentages unless otherwise stated.
§
Travelers could choose more than one purpose of travel or more than one accommodation.