Table 1.
Distinguishing characteristics between resident immigrants and recently arrived immigrants from Africa diagnosed with imported malaria in Barcelona city (1989–2007).
| Habitual Residents* 368/489 (75.3%) |
Recently arrived 89/489 (18.2%) |
ORc (95%CI) | ORa (95%CI) | |
| Sex | ||||
| Male | 178 (48.4) | 45 (50.6) | 1 | - |
| Female | 190 (51.6) | 44 (49.4) | 1.1 (0.7–1.8) | |
| Age | ||||
| 15–38 years | 228 (62) | 58 (65.2) | 1 | - |
| < 15 years | 65 (17.7) | 13 (14.6) | 1.3 (0.7–2.5) | |
| > 38 years | 73 (19.8) | 16 (18) | 1.2 (0.6–2.1) | |
| Unknown | 2 (0.5) | 2 (2.2) | - | |
| Equatorial Guinea | ||||
| No | 141 (38.3) | 53 (50.6) | 1 | 1 |
| Yes | 227 (61.7) | 36 (40.4) | 2.4 (1.5–3.9) | 2.6 (1.6–4.3) |
| VFR | ||||
| No | 9 (2.4) | 12 (13.5) | 1 | 1 |
| Yes | 359 (97.6) | 49 (55.1) | 6.9 (2.8–17.1) | 6.8 (2.7–17.5) |
| Unknown | - | 28 (31.5) | - | |
| Admission | ||||
| Yes | 81 (22) | 22 (24.7) | 1 | - |
| No | 287 (78) | 67 (75.3) | 1.2 (0.7–2) | |
| Inner City Resident | ||||
| Yes | 47 (12.8) | 17 (19.1) | 1 | - |
| No | 297 (80.7) | 62 (69.7) | 1.7 (0.9–3.2) | |
| Unknown | 24 (6.5) | 10 (11.2) | 0.9 (0.4–2.2) | |
| Species | ||||
| Others | 37 (10.1) | 12 (13.5) | 1 | 1 |
| P. falciparum | 282 (76.6) | 72 (80.9) | 1.3 (0.6–2.6) | 1.7 (0.8–3.5) |
| Plasmodium sp | 49 (13.3) | 5 (5.6) | 3.1 (1–9.8) | 4 (1.2–13.6) |
| Declaring Center | ||||
| Others | 64 (17.4) | 59 (66.3) | 1 | - |
| HCP | 58 (15.8) | 17 (19.1) | 0.7 (0.3–1.6) | |
| UMTSID | 246 (66.8) | 13 (14.6) | 0.85 (0.4–1.6) |
* In 32 cases (6.5%) it was not know if the immigrants were habitual residents or recently arrived, so these were not analysed.
VFR: visiting friends and relatives, CV: residency in Inner city, HCP: Hospital Clinic, UMTSID: Unitat de Medicina Tropical i Salut Internacional Drassanes. ORc: crude odds ratio. ORa: adjusted odds ratio.