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Volume 10, Number 6—June 2004
Research

Sporadic Cryptosporidiosis, North Cumbria, England, 1996–2000

Stella Goh*, Mark Reacher†Comments to Author , David P. Casemore‡, Neville Q. Verlander†, Rachel Chalmers§, Margaret Knowles¶, Joy Williams*, Keith Osborn#, and Sarah Richards**
Author affiliations: *Carlisle and District Primary Care Trust, Rosehill, Carlisle, United Kingdom; †Communicable Disease Surveillance Centre, London, United Kingdom; ‡University of Wales, Aberystwyth, Ceredigion, Wales, United Kingdom; §Singleton Hospital, Swansea, Wales, United Kingdom; ¶Cumberland Infirmary, Carlisle, United Kingdom; #United Utilities, Great Sankey, Warrington, United Kingdom; **West Cumberland Hospital, Whitehaven, United Kingdom

Main Article

Table 4

Final multivariable model

Variables Cases Controls Adjusted OR CI p value
Sex
M
 82
 236
 1.1
 0.73 to 1.67
 0.64
F
 70
 230
 1
Age
 152
 466
 0.99/y
 0.97 to 1.01
 0.29
Water supply zones
Crummock North
 37
 103
 1
0.71
Crummock South
 19
 49
 1.28
 0.61 to 2.67
Ennerdale North
 29
 101
 0.95
 0.51 to 1.78
Ennerdale South
 13
 43
 0.9
 0.39 to 2.09
Millom
 19
 54
 1.04
 0.51 to 2.13
Quarry Hill
 16
 41
 1.36
 0.61 to 3.05
Hausegill
 3
 5
 1.37
 0.26 to 7.11
Hayknott
 2
 6
 0.89
 0.16 to 4.85
Underscar
 1
 3
 1.83
 0.16 to 20.37
Fellside
 0
 1
 0.002
 0 to ∞
Mixed from >1 zone
 11
 51
 0.77
 0.34 to 1.77
Private water supplies
 2
 9
 0.004
 0 to 203.4
Usual daily volume of cold unboiled tap water drunkb
1.40/pint
 1.14 to 1.71
 0.001
Any short visit to a farm
Y
 40
 57
 2.02
 1.04 to 3.9
 0.04
N
 107
 391
 1
Feed pet raw vegetables
Y
 13
 20
 2.11
 0.98 to 4.56
 0.06
N
 139
 446
 1
Feed pet biscuits
Y
 21
 39
 1.77
 0.94 to 3.33
 0.08
N
 131
 427
 1
Ate nonlocally produced cheese
Y
 113
 322
 1.49
 0.91 to 2.43
 0.1
N
 34
 139
 1
Contact farms without cattle or sheep
Y
 15
 19
 1.96
 0.79 to 4.88
 0.15
N
 125
 417
 1
Contact with a cattle farm
Y
 15
 29
 1.67
 0.73 to 3.82
 0.23
N 125 407 1

aOR, odds ratio; CI, confidence interval.
bAt home and away from home in the Allerdale/Copeland area.

Main Article

Page created: February 22, 2011
Page updated: February 22, 2011
Page reviewed: February 22, 2011
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