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Volume 8, Number 8—August 2002
Research

Use of Automated Ambulatory-Care Encounter Records for Detection of Acute Illness Clusters, Including Potential Bioterrorism Events

Ross Lazarus*†Comments to Author , Ken Kleinman‡§, Inna Dashevsky‡, Courtney Adams‡, Patricia Kludt¶, Alfred DeMaria¶, and Richard Platt*‡§
Author affiliations: *Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA; †University of Sydney School of Public Health, Sydney, Australia; ‡Harvard Pilgrim Health Care and Harvard Vanguard Medical Associates, Boston, Massachusetts, USA; §CDC Eastern Massachusetts Prevention Epicenter and HMO Research Network Center for Education and Research in Therapeutics, Boston, Massachusetts, USA; ¶Massachusetts Department of Public Health, Boston, Massachusetts, USA;

Main Article

Table 3

Number of episodes of lower respiratory syndrome that would be expected to occur only once a month and once a year, based on a generalized linear mixed model (GLMM), in a representative eastern Massachusetts census tracta

Month Day of week No. needed for once per month event No. needed for once per year event
January Monday 5 6
January Tuesday 5 6
January Wednesday 5 6
January Thursday 5 6
January Friday 5 5
January Saturday 4 4
January Sunday 4 4
April Monday 4 5
April Tuesday 4 5
April Wednesday 4 5
April Thursday 4 5
April Friday 4 5
April Saturday 3 4
April Sunday 3 4
July Monday 4 5
July Tuesday 4 4
July Wednesday 4 4
July Thursday 4 4
July Friday 4 4
July Saturday 3 4
July Sunday 3 4
October Monday 5 6
October Tuesday 4 5
October Wednesday 4 5
October Thursday 4 5
October Friday 4 5
October Saturday 4 4
October Sunday 4 4

aThis census tract has 491 health plan members and a random effect of 0.083, illustrating the effect of day of week and month of year for 2002.

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Page created: July 16, 2010
Page updated: July 16, 2010
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The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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