Volume 6, Number 1—February 2000
Dispatch
Risk Factors for Carriage of Neisseria meningitidis during an Outbreak in Wales
Patricia E. Fitzpatrick*, Roland L. Salmon*
, Paul R. Hunter†, Richard J Roberts‡, and Stephen R. Palmer*
, Paul R. Hunter†, Richard J Roberts‡, and Stephen R. Palmer*
Table 2
Personal, family, and household factors and meningococcal carriage
| Exposeda |
Nonexposed |
Exposed |
Nonexposed |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Variable | Meningo-coccal carrier | Non-carrier | Meningo-coccal carrier | Non-carrier | Odds ratio (95% CI) | B15 P1.16 carrier | B15 P1.16 non-carrier | B15 P1.16 carrier | B15 P1.16 non-carrier | Odds ratio (95% CI) |
| Age >14 | 40 | 201 | 13 | 372 | 5.69b | 11 | 230 | 0 | 384 | Undefb |
| (2.87-11.49) | ||||||||||
| Male sexc | 31 | 267 | 22 | 304 | 1.60 | 9 | 289 | 2 | 324 | 5.04b |
| (0.88-2.95) | (1.01-34.07) | |||||||||
| Low socioeconomic | 21 | 256 | 32 | 317 | 0.81 | 3 | 274 | 8 | 341 | 0.47 |
| conditions | (0.67-2.29) | (0.10-1.95) | ||||||||
| Shared bedroomc | 13 | 106 | 40 | 466 | 1.43 | 4 | 115 | 7 | 499 | 2.48 |
| (0.69-2.90) | (0.60-9.62) | |||||||||
| Household ratio >0.5 | 39 | 382 | 14 | 191 | 1.39 | 7 | 414 | 4 | 201 | 0.85 |
| (0.71-2.76) | (0.22-3.53) | |||||||||
| >One child <5 yrs old | 1 | 41 | 52 | 532 | 0.25 | 11 | 573 | 0 | 42 | Undef |
| in same household | (0.01-1.74) | |||||||||
| Pet animalc | 33 | 408 | 20 | 161 | 0.65 | 6 | 435 | 5 | 176 | 0.49 |
| (0.35-1.22) | (0.13-1.88) | |||||||||
aExposure to index patient.
bp< 0.05.
cData missing.
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