Table 1 Distribution of pertussis cases according to epidemiological variables
From: Does the economic recession influence the incidence of pertussis in a cosmopolitan European city?
2000–2004 N (%) | 2005–2010 N (%) | 2011–2015 N (%) | Total N (%) | |
|---|---|---|---|---|
All | 112 (6.3) | 286 (16.0) | 1393 (77.8) | 1791 (100.0) |
Confirmed | 97 (86.6) | 220 (76.9) | 1253 (89.9) | 1570 (87.7) |
Suspected | 15 (13.4) | 66 (23.1) | 140 (10.1) | 221 (12.3) |
Gender | ||||
Female | 69 (61.6) | 160 (55.9) | 772 (55.4) | 1001 (55.9) |
Male | 43 (38.4) | 124 (43.4) | 621 (44.6) | 788 (44.0) |
Age group | ||||
< 1 year | 83 (74.1) | 128 (45.1) | 221 (15.9) | 432 (24.1) |
1–14 years | 20 (17.9) | 89 (31.3) | 782 (56.1) | 891 (49.7) |
15–29 years | 6 (5.4) | 22 (7.7) | 63 (4.5) | 91 (5.1) |
> 30 years | 3 (2.7) | 45 (15.8) | 327 (23.5) | 375 (20.9) |
Country of origin | ||||
Native | 83 (74.1) | 220 (76.9) | 1217 (87.4) | 1520 (84.9) |
Foreign-born | 7 (6.3) | 26 (9.1) | 122 (8.8) | 155 (8.7) |
Unknown | 22 (19.6) | 40 (14.0) | 54 (3.9) | 116 (6.5) |
Index of Disposable Household Income (DHI) | ||||
Very high | 4 (3.6) | 15 (5.2) | 77 (5.5) | 96 (5.4) |
High | 4 (3.6) | 18 (6.3) | 77 (5.5) | 99 (5.5) |
Average | 19 (17.0) | 58 (20.3) | 325 (23.3) | 402 (22.4) |
Low-average | 41 (36.6) | 90 (31.5) | 498 (35.8) | 629 (35.1) |
Low | 41 (36.6) | 105 (36.7) | 413 (29.6) | 559 (31.2) |
Unknown | 3 (2.7) | 0 (0.0) | 3 (0.2) | 6 (0.3) |
Case type | ||||
Associated | 18 (16.1) | 127 (44.4) | 824 (59.2) | 969 (54.1) |
Sporadic | 94 (83.9) | 159 (55.6) | 569 (40.8) | 822 (45.9) |
Contact tracing | ||||
Yes | 36 (32.1) | 216 (75.5) | 1130 (81.1) | 1382 (77.2) |
No | 76 (67.9) | 70 (24.5) | 263 (18.9) | 409 (22.8) |
Vaccination | ||||
Yes | 92 (82.1) | 236 (82.5) | 1005 (72.1) | 1333 (74.4) |
No | 8 (7.1) | 25 (8.7) | 97 (7.0) | 130 (7.3) |
Unknown | 12 (10.7) | 25 (8.7) | 291 (20.9) | 328 (18.3) |
Hospital admission in < 1 year (N = 432) | ||||
Yes | 64 (77.1) | 83 (64.8) | 105 (47.5) | 252 (58.3) |
No | 19 (22.9) | 45 (35.2) | 116 (52.5) | 180 (41.7) |