Table 1.
Demographic characteristics of the patients.
| Variable Name | Cases n = 158 | Controls n = 294 | Discrepancies within Matched Pairs | Overall p-Value |
|---|---|---|---|---|
| Age * | 39.88 (SD 12) | 44.6 (SD 60.5) | −4.8 (61.4) | 0.18 |
| Female gender | 70 (44%) | 124 (42%) | 61/129 (47%) | 1.00 |
| Pregnancy | 2 (3%) | 8 (6%) | 1/2 (50%) | 0.18 |
| Geographic area: | 0.001 | |||
| South America | 100 (63%) | 137 (47%) | 71/181 (39%) 5 | |
| Central America | 4 (3%) | 12(4%) | 5/8 (62%) 5 | |
| Caribbean | 4 (3%) | 9 (3%) | 7/8 (88%) | |
| Sub-Saharan Africa | 41 (26%) | 102 (35%) | 18/81 (22%) | |
| North Africa | 4 (3%) | 15 (5%) | 2/8 (25%) | |
| South-Central Asia | 0 (1%) | 12 (4%) | 0/0 (%) | |
| North-East Asia | 3 (2%) | 4 (1%) | 5/5 (100%) | |
| South East Asia | 0 (0%) | 0 (0%) | 0/0 (0%) | |
| Europe | 2 (1%) | 2 (1%) | 3/3 (100%) | |
| Unknown | 0 (0%) | 1 (0%) | 0/0 (%) | |
| Open Defecation | ||||
| Low | 132 (84%) | 236 (80%) | 24/230 (10%) | 0.45 |
| Medium | 16 (10%) | 39 (13%) | 19/30 (63%) | |
| Unknown | 10 (6%) | 19 (6%) | 15/15 (100%) | |
| Years in Spain * | 10 (6.2) | 9.8 (7.4) | −0.03 (9.6) | 0.9 |
* Quantitative variables expressed as mean and standard deviation.