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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*Comments to Author , Paul R. Hunter†, Richard J Roberts‡, and Stephen R. Palmer*
Author affiliations: *PHLS Communicable Disease Surveillance Centre (Wales), Cardiff, United Kingdom; †Chester Public Health Laboratory, Chester, United Kingdom; ‡North Wales Health Authority, Mold, United Kingdom

Main Article

Table 4

Medical factors associated with memingococcal carriage in a Welsh secondary school

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)
Recent illness 43 482 10 91 0.81 7 518 4 97 0.33
(0.37-1.80) (0.08-1.37)
Recent injury 10 127 43 446 0.82 0 137 11 478 0.00
(0.37-1.75) (0.00-1.71)
History of 8 60 45 511 1.51 3 65 8 548 3.16
 tonsillectomy/
adenoidectomya (0.62-3.56) (0.64-13.68)
Close contact 12 72 40 496 2.07b 3 81 8 528 2.44
with case of meningococcal diseasea (0.99-4.34) (0.50-10.51)

aData missing.
bp < 0.05.

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