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. Author manuscript; available in PMC: 2022 May 1.
Published in final edited form as: Indoor Air. 2020 Dec 28;31(3):702–716. doi: 10.1111/ina.12760

Table 1:

Available questionnaire and measurements data for SPIROMICS Air participants

Type of data Participants Monitoring Sample
N. of participants
(N. of measurements)
Sample with home monitoring and questionnaire data
Questionnaires
Home Information Questionnaire (HIQ) 2054 287
Respiratory Disease and Smoke Exposure Questionnaire (RDSE) 2912 283
Questionnaires for validation
Daily Activity Questionnaire 217 209
Home Inspection Form 216 209
Measurements
Indoor PM2.5 (μg/m3) 201 (270) 194 (263)
Outdoor PM2.5 (μg/m3) 197 (271) 190 (264)
Indoor NO2 (ppb) 216 (294) 209 (287)
Outdoor NO2 (ppb) 216 (294) 209 (287)
Indoor NOx (ppb) 216 (294) 209 (287)
Outdoor NOx (ppb) 216 (294) 209 (287)
Indoor nicotine (μg/m3) 205 (274) 198 (265)
Outdoor RH 209 (287)
Outdoor temperature 209 (287)

Note:

- not including participants with missing measurements;

- Participants from Ann Arbor, San Francisco, and Salt Lake City centers had up to two sets of home monitoring measurements.

Abbreviations: SPIROMICS - Subpopulations and Intermediate Outcome Measures in COPD Study; PM2.5 – particulate matters with diameter less than 2.5 µm; NO2 - nitrogen dioxide; NOx - oxides of nitrogen; RH- relative humidity.