Seasonal influenza morbidity estimates obtained from telephone surveys, 2007

L. Kamimoto, G.L. Euler, P.-J. Lu, A. Reingold, J. Hadler, K. Gershman, M. Farley, P. Terebuh, P. Ryan, R. Lynfield, B. Albanese, A. Thomas, A.S. Craig, W. Schaffner, L. Finelli, J. Bresee and J.A. Singleton

American Journal of Public Health, 2013, vol. 103, issue 4, 755-763

Abstract: Objectives: We assessed telephone surveys as a novel surveillance method, comparing data obtained by telephone with existing national influenza surveillance systems, and evaluated the utility of telephone surveys. Methods: We used the 2007 Behavioral Risk Factor Surveillance System (BRFSS) and the 2007 National Immunization Survey-Adult (NIS-Adult) to estimate the incidence of influenza-like illness (ILI), medically attended ILI, provider-diagnosed influenza, influenza testing, and treatment of influenza with antiviral medications during the 2006-2007 influenza season. Results: With the January-May BRFSS, among persons aged 18 years and older, the cumulative incidence of seasonal ILI and provider-diagnosed influenza was 37.9 and 5.7 adults per 100 persons, respectively. Monthly medically attended ILI and provider-diagnosed influenza among adults were temporally associated with influenza activity, as documented by national surveillance. With the NIS-Adult survey data, estimated provider-diagnosed influenza, influenza testing, and antiviral treatment were 2.8%, 1.4%, and 0.6%, respectively. Conclusions: Our telephone interview-based estimates of influenza morbidity were consistent with those from national influenza surveillance systems. Telephone surveys may provide an alternative method by which population-based influenza morbidity information can be gathered.

Keywords: adolescent; adult; aged; article; chi square distribution; female; health survey; human; influenza; interview; male; middle aged; risk factor; season; telephone; United States, Adolescent; Adult; Aged; Chi-Square Distribution; Female; Humans; Influenza, Human; Interviews as Topic; Male; Middle Aged; Population Surveillance; Risk Factors; Seasons; Telephone; United States (search for similar items in EconPapers)
Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:aph:ajpbhl:10.2105/ajph.2012.300799_9

DOI: 10.2105/AJPH.2012.300799

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