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Table 3 Key Variables and Sources of Information for Participants

From: Study of Healthcare Personnel with Influenza and other Respiratory Viruses in Israel (SHIRI): study protocol

  Self-reported Electronic Medical Records Time Period
Enrollment survey EOS survey EMR Employee Records From year(s) prior to the study Data from years enrolled in study
Demographic
 Sex      ✓  
 Date of birth      ✓  
 Marital status ✓   ✓    ✓
 Country of birth    ✓   ✓  
 Immigration date    ✓   ✓  
 Ethnicity by country of birth of individual, the parents, or grandparents    ✓   ✓  
 Socio-economic status by clinic address    ✓   ✓ ✓
 Supplementary insurance status    ✓   ✓  
 Dates enrolled as CHS member    ✓   ✓  
 Level of education ✓      ✓
 Household composition (number of rooms; number of family members in the house) ✓      ✓
 Occupation and work responsibilities ✓     ✓ ✓
 Family income ✓      ✓
Health Status and Risk Behaviors       
 Health status and health behaviors ✓ ✓    ✓  
 Smoking status, history    ✓   ✓  
 Pack years    ✓   ✓  
 Height    ✓   ✓  
 Weight    ✓   ✓  
 Body mass index    ✓   ✓  
 Medication use for chronic conditions and immunosuppressants    ✓   ✓  
Attitudes       
 Perceptions of illness, vaccines, missing work ✓      ✓
 Recollection of influenza vaccination (for vaccinated HCP)   ✓     ✓
 Reasons for not receiving the influenza vaccine (for unvaccinated HCP)   ✓     ✓
 Job satisfaction ✓      ✓
Influenza Vaccination Documentation       
 Vaccine administration date    ✓   ✓ ✓
 Vaccine type    ✓   ✓ ✓
 Vaccine manufacturer & lot    ✓   ✓ ✓
Employee Records of Illness Absences     ✓   ✓
Acute Respiratory Illness       
 Number of inpatient admissions associated with acute illness    ✓   ✓ ✓
Chronic Medical Conditions and Pregnancy       
 Number of ambulatory or inpatient medical encounters associated with chronic medical condition    ✓   ✓ ✓
 Chronic medical conditions    ✓   ✓  
 Pregnancy      ✓ ✓
  1. Abbreviations: EOS end of season, EMR electronic medical record, CHS Clalit health plan, HCP healthcare personnel
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BMC Infectious Diseases

ISSN: 1471-2334

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