Factors associated with sporadic cases of salmonellosis in 1- to 7-year-old children. Study of cases and controls

Knowledge about salmonellosis risk factors mainly comes from foodborne outbreaks, and we know little about sporadic cases epidemiology. However most of the cases are sporadic, specially children. This study aims to find out some of determinants of these cases. A case-control study with incident case...

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Bibliographic Details
Published in:Gaceta sanitaria 1998-05, Vol.12 (3), p.118-125
Main Authors: Bellido Blasco, J B, González Cano, J M, Galiano, J V, Bernat, S, Arnedo, A, González Morán, F
Format: Article
Language:Spanish
Subjects:
Case-Control Studies
Child
Child, Preschool
Diarrhea - epidemiology
Diarrhea - microbiology
Female
Humans
Infant
Male
Odds Ratio
Regression Analysis
Risk Factors
Salmonella Infections - epidemiology
Salmonella Infections - etiology
Spain - epidemiology
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Summary:Knowledge about salmonellosis risk factors mainly comes from foodborne outbreaks, and we know little about sporadic cases epidemiology. However most of the cases are sporadic, specially children. This study aims to find out some of determinants of these cases. A case-control study with incident cases and controls from the same base population (laboratory diagnosed cases). Cases were children 1-7 years old, affected by diarrhea with culture stools positive to Salmonella between december 1994 and december 1995. Controls from the same source, but positive culture to Campylobacter or viruses. We study food and other environmental risk factors. Odds ratio (OR) are calculated adjusted for age, sex, and year period (cool and cold) by logistic regression. Eating minced meat during three days before symptoms, OR 4.07 (1.20-13.8) and OR 5.63 (1.34-23.6); pets, OR 8.27 (1.96-34.9), and antibiotics the week before symptoms, OR 4.75 (0.84-27.0) were epidemiologically associated with salmonellosis diarrhea. Epidemiology of salmonellosis sporadic cases in children seems different to the foodborne associated cases and is more complex. Minced meat tree days before symptoms, antibiotics the week before symptoms, and pets could be a risk for this kind of cases. Future studies must also take account of this factors.
ISSN:0213-9111