Preliminary results: Different indoor classroom conditions during different seasons in the U.S. midwestern region and their associations with student absenteeism

Shihan Deng, Josephine Lau

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

To examine the association between indoor classroom conditions and student illness-related absenteeism (IRA) under different seasonal conditions, around 1900 students from 85 elementary classrooms were enrolled in a year-long study. Various indoor air quality (IAQ) and thermal conditions (TC) were repeatedly monitored during a school year. Student IRA rates were separately examined during heating and cooling seasons. By using negative binomial models, some associations were observed. During the cooling season, an additional 1,000,000 particles/L with aerosol diameter less than 2.5 μm corresponded with a 3% increase of IRA. During the heating season, no association with aerosol particles was observed, but a 100 ppm increase of carbon dioxide concentration in the supply air was associated with 3% increase of IRA with statistical significance. Additional investigation is needed to understand the mechanisms and other potential confounding factors in these associations.

Original languageEnglish (US)
Title of host publication15th Conference of the International Society of Indoor Air Quality and Climate, INDOOR AIR 2018
PublisherInternational Society of Indoor Air Quality and Climate
ISBN (Electronic)9781713826514
StatePublished - 2018
Event15th Conference of the International Society of Indoor Air Quality and Climate, INDOOR AIR 2018 - Philadelphia, United States
Duration: Jul 22 2018Jul 27 2018

Publication series

Name15th Conference of the International Society of Indoor Air Quality and Climate, INDOOR AIR 2018

Conference

Conference15th Conference of the International Society of Indoor Air Quality and Climate, INDOOR AIR 2018
Country/TerritoryUnited States
CityPhiladelphia
Period7/22/187/27/18

Keywords

  • Absenteeism
  • Elementary schools
  • Heating or Cooling
  • Seasonal variation

ASJC Scopus subject areas

  • Pollution

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