Skip to main content

Table 4 Characteristics of studies included

From: The impact of organisational characteristics of staff and facility on infectious disease outbreaks in care homes: a systematic review

Author, year

Country (State/Region)

Study design and study period

Data source

Study setting

Number of care homes

Infectious disease

Outcome of interest

Bowblis, J. & Applebaum, R. (2020) [24]

United States of America (USA), (Ohio)

Cohort study, data collected April–June 2020

Ohio Department of Health, Nursing Home Compare database, and Payroll-based Journaling

Nursing homes that have reported at least one case of COVID-19 to Ohio Department of Health.

942

COVID-19

Facility size, facility location, temporary hired staff, nurse aides hours

Drinka P.J. et al. (2004) [25]

USA (Wisconsin)

Cohort study, data collected during six influenza season 1993–2000

Objectilvey measured data collected by researchers

A four-building, long-term care facility for veterans and their spouses

1

Influenza A

Facility design

Gorges, R.J. & Konetzka R.T. (2020) [26]

USA

Cohort study, data obtained in June 2020

Nursing Home Compare (NHC) database, Long-Term Care Focus, and COVID-19 Nursing Home Dataset from the Centers for Medicare & Medicaid Services (CMS)

All nursing homes in the CMS COVID-19 Nursing Home Dataset that had passed the CMS Quality Assurance Check as of June 25, 2020.

13,167

COVID-19

Nurse aides hours

Halloran, N.F. et al. (2020) [27]

England (Cheshire and Merseyside)

Case-control study comparing characteristics between care homes with and without a declared influenza outbreak

Public Health of England Health Protection Case Management System, and the Care Quality Commission (CQC)

All CQC-registered care homes in Cheshire and Merseyside that declared an influenza outbreak between mid-December 2017 and May 2018

154

Influenza A and B

Facility size

He, M et al. (2020) [28]

USA (California)

Cross-sectional study, data obtained in June 2020

California Department of Public Health, Nursing Home Compare Database, and nursing home data from Long-Term Care Focus

All nursing homes in California

1223

COVID-19

Facility size, facility design

Inns, T. et al. (2018) [29]

England (Cheshire and Merseyside)

Cohort study, data collected December 2012–December 2016

Records collected by the local Community Infection Prevention & Control Team, and data from the Care Quality Commission (CQC)

All CQC-registered care homes in Cheshire and Merseyside

379

Infectious gastroenteritis

Facility size

Li, J. et al. (1996) [30]

USA (New York State)

Case-control study (case = care home with outbreak), all of year 1992

New York State Department of Health, and survey data completed by care home managers

All licensed nursing homes in New York State caring primarily for older people

171

Respiratory and gastrointestinal infection

Facility size, staff compartmentalizing

Lin, H. et al. (2011) [31]

Hong Kong

Cohort study from January 2005 until December 2007

Annual Territorywide Infection Control Checklist Survey, and the Public Health Information System

All elderly homes operating in Hong Kong

748

Norovirus

Facility design

Lombardo F.L. et al. (2020) [32]

Italy

Cross-sectional study, survey completed March–May 2020

Survey data provided by care home directors

All nursing homes in Italy

1356

COVID-19

Facility size

Morciano, M. et al. (2021) [33]

England

Cohort study, data obtained in August 2020

Data records from the Care Quality Commission

All nursing homes in England with death notification data

4428

COVID-19

Facility size

Rolland, Y. et al. (2020) [34]

France (Haute-Garonne)

Cross-sectional study, survey completed in March–May 2020

Survey data provided by care home directors

All long-term care facilities in Haute-Garonne

124

COVID-19

Temporary hired staff, staff compartmentalizing

Shallcross, L. et al. (2021) [35]

England

Cross-sectional study, telephone-survey completed in May–June 2020

Survey data provided by care home directors, SARS-CoV-2 RT-PCR test results

All long-term care facilities for individuals aged ≥65 years or providing dementia care

5126

COVID-19

Facility size, temporary hired staff

Shi, S. et al. (2020) [36]

USA (Boston, Massachusetts)

Retrospective cohort study, data collected March–May 2020

Medical records, SARS-CoV-2 test results, federally mandated clinical assessment data of residents

An approximately 500-bed academic long-term care facility in Boston

1

COVID-19

Residency of staff

Stall, N. et al. (2020) [37]

Canada (Ontario)

Retrospective cohort study, data collected March–May 2020

Ontario Ministries of Health and Long-Term Care, COVID-19 Ontario Census

All long-term care homes in Ontario

623

COVID-19

Facility size, facility design

Sugg, M. et al. (2020) [38]

USA

Cross-sectional study of a national cohort, data obtained in June 2020

Centers for Medicare & Medicaid Services, American Community Survey, the 2010 Census, SARS-CoV-2 test results

All nursing homes operating since 2015

13,709

COVID-19

Facility location

White, E.M. et al. (2020) [39]

USA

Cross-sectional study, data obtained in May 2020

Genesis Healthcare database, Long-Term Care Focus, Nursing Home Compare database

Skilled nursing facilities by the provider Genesis HealthCare and other providers operating in states providing data on COVID-19 test results

3357

COVID-19

Facility size