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Volume 7, Number 7—June 2001

Research

Waterborne Outbreak of Tularemia Associated with Crayfish Fishing

Pedro Anda*Comments to Author , Javier Segura del Pozo*†, José María Díaz García‡, Raquel Escudero*, F. Javier García Peña§, M. Carmen López Velasco‡, Ricela E. Sellek*, M. Rosario Jiménez Chillarón‡, Luisa P. Sánchez Serrano*, and J. Fernando Martínez Navarro*
Author affiliations: *Instituto de Salud Carlos III, Majadahonda, Madrid, Spain; †Public Health Department, Alcalá de Henares, Madrid, Spain; ‡Cuenca Public Health Department, Cuenca, Spain; §Ministry of Agriculture and Fisheries, Algete, Madrid, Spain

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Table 3

Comparison of characteristics, tularemia cases versus controls

Variable Cases a Controls p
Age: mean (range) in years 59.1 (38-75) 56.2 (25-100) 0.7
Sex:
Women
Men 42% (8/19)
58% (11/19) 55% (11/20)
45% (9/20) 0.4
Town of residence:
No.1
No.2
No.3
No.4
No.5
No.6
No.7 3
6
4
4
1
1
0 3
7
4
3
2
0
1
Type of contact with crayfish:
Catching
Cleaning
Eating 68% (13/19)
82% (15/18)
94% (17/18) 60% (12/20)
85% (17/20)
95% (19/20) 0.6
0.9
0.9

a The denominator indicates the number of persons who answered each question.

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