Estimating prevalence by group testing using generalized linear models.
A method is described for estimating prevalence by group testing using generalized linear models. This provides a simple way of analysing such data using widely available software. Existing methodology to correct for overdispersion using quasi-likelihoods is applied to the group testing model. The methods are illustrated by an estimation of salmonella contamination in eggs, and of yellow fever virus infection in a mosquito population.
PHLS Communicable Disease Surveillance Centre, London, U.K.
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Farrington
D000818:Animals; D015982:Bias; D009033:Culicidae / Q000382:microbiology; D004531:Eggs / Q000382:microbiology; D005069:Evaluation Studies as Topic; D005516:Food Microbiology; D006801:Humans; D016013:Likelihood Functions; D016014:Linear Models; D015995:Prevalence; D012475:Salmonella / Q000302:isolation & purification; D012494:Sampling Studies; D015005:Yellow fever virus / Q000302:isolation & purification