Skip directly to search Skip directly to A to Z list Skip directly to page options Skip directly to site content

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 3

Risk factors for meningococcal 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)
Year 11a 33 96 20 477 8.20b 11 118 0 497 Undefb
(4.34-15.56)
Same classes 10 42 43 530 2.93b 1 121 10 494 0.41
as index casesc (1.28-6.58) (0.02-3.13)
Smoker 21 136 32 437 2.11b 3 154 8 461 1.12
(1.12-3.94) (0.23-4.71)
Other smoker 26 202 27 371 1.77b 4 224 7 391 1.00
in household (0.99-3.24) (0.24-3.84)
Student smoker and 12 70 41 503 2.10b 2 80 9 535 1.49
other in household (1.00-4.41) (0.00-7.54)
>2 smokers in 9 37 44 535 2.96b 1 45 10 567 1.26
householdc (1.24-6.89) (0.00-12.81)
Football teamc 6 88 47 415 0.60 3 91 8 454 1.87
(0.22-1.54) (0.38-8.02)
Rugby teamc 3 29 50 466 0.96 1 31 10 506 1.63
(0.22-3.51) (0.00-13.27)
Hockey teamc 3 29 50 467 0.97 1 31 10 507 1.64
(0.22-3.52) (0.00-13.30)
Netball teamc 1 54 52 452 0.16 0 55 11 493 0.00
(0.01-1.13) (0.00-4.46)
Any sport 10 172 43 401 0.54 3 179 8 436 0.91
(0.25-1.16) (0.19-3.83)
Regular youth 21 180 32 341 1.24 3 198 8 365 0.69
clubc (0.67-2.31) (0.14-2.93)
Regular discob 30 279 23 248 1.16 4 305 7 264 0.49
(0.63-2.14) (0.12-1.92)
Attendance at 23 111 29 461 3.29b,c 8 126 3 487 10.31b
partyc (1.75-6.18) (2.42-50.34)
Cubs/brownies/ 1 42 52 531 0.24 0 43 11 572 0.00
scouts/guides (0.01-1.72) 0.00-0.00
Life event 18 146 35 427 1.50 2 162 9 453 0.62
(0.79-2.86) (0.00-3.15)
Death in familyc 4 56 49 516 0.75 0 60 11 554 0.00
(0.22-2.30) (0.00-4.58)
Change of housec 5 33 48 539 1.70 0 38 11 576 0.00
(0.55-4.89) (0.00-7.63)
Received bad 15 79 38 493 2.46* 2 92 9 522 1.26
newsc (1.22-4.91) (0.00-6.46)
Travelc 6 107 47 464 0.55 1 112 10 501 0.45
(0.21-1.40) (0.02-3.48)

aSame school year as index case.
bp < 0.05.
cData missing.

Main Article

TOP