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Table 1 Description of included studies

From: School-based surveillance of acute infectious disease in children: a systematic review

Author

Year of Publication

Country

Organism/ syndrome

Prospective or retrospective

School ages

Sample size

Specificity of absence

Frequency of data submissions

Aldridge et al [51]

2016

UK

Seasonal influenza

Prospective

11-16 yrs

27 schools

Medical a

Weekly

Besculides et al [39]

2005

USA

Seasonal influenza

Retrospective

5-18 yrs

1160 schools

All cause

Daily

Bollaerts et al. [21]

2010

Belgium

Pandemic influenza

Prospective

3-18 yrs

~  1 million pupils

Illness

Weekly

Chu et al [52]

2013

Canada

Pandemic influenza

Retrospective

4-14 yrs

8 PHUs b

Variable

Not specified

Crawford et al [40]

2011

USA

Pandemic influenza

Prospective

5-12 yrs

80 schools

All cause

Daily

Kara et al [43]

2012

UK

Pandemic influenza

Retrospective

4-18 yrs

373 schools

Illness

Weekly

Kightlinger et al [44]

2013

USA

Pandemic influenza

Prospective

5-18 yrs

187 schools

Illness

Weekly

Kom Mogto et al [49]

2012

Canada

Pandemic influenza

Prospective

6-17 yrs

3432 schools

Syndrome-specific

Daily

Lenaway et al [45]

1995

USA

Seasonal influenza

Prospective

5-18 yrs

44 schools

Illness

Weekly

Ma et al [46]

2015

Sweden

Seasonal influenza

Retrospective

6-16 yrs. c

500 schools

Illness

Not specified

Mann et al [41]

2011

USA

Pandemic influenza

Prospective

5-18 yrs

349 schools

All cause

Daily

Mook et al [47]

2007

UK

Seasonal influenza

Prospective

4-16 yrs

11 schools

Illness

Daily

Schmidt et al [48]

2010

UK

Seasonal influenza

Retrospective

5-11 yrs

6 schools

Illness

Not specified

Suzue et al [50]

2012

Japan

Pandemic influenza

Retrospective

3-18 yrs

142 schools

Syndrome specific

Daily

Williams et al. [42]

2013

USA

Pandemic influenza

Prospective

5-17 yrs

216 schools

All cause + syndrome specific

Weekly

  1. a Medical absences include illness absence and absence to attend medical appointments
  2. b Public Health Units (PHUs) varied in size and were broadly divided into large PHUs (population > 400,000) and small PHUs (population ≤ 400,000). Each PHU had a custom surveillance system to measure school absenteeism, collecting data on all cause absenteeism (8 PHUs), illness absenteeism (1 PHU) and respiratory illness absence (1 PHU) from schools within their area
  3. c Not clearly specified. The school ages noted are for compulsory education in the country of study