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Dr. Byunglyul Woo
Daegu Catholic University

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0 Exposure Assessment
0 Indoor Air Quality
0 secondhand smoke
0 Time activity
0 Smoke-free

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Journal article
Published: 01 November 2020 in Sustainability
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Since the global enforcement of smoke-free policies, indoor smoking has decreased significantly, and the characteristics of non-smokers’ exposure to secondhand smoke (SHS) has changed. The purpose of this study was to assess the temporal and spatial characteristics of SHS exposure in non-smokers by combining questionnaires and biomarkers with time activity patterns. To assess SHS exposure, biomarkers such as cotinine and 4-(methylnitrosamino)-1-3-(pyridyl)-1-butanol (NNAL) in urine and nicotine in hair were collected from 100 non-smokers in Seoul. Questionnaires about SHS exposure and time activity patterns were also obtained from the participants. The analysis of biomarker samples indicated that about 10% of participants were exposed to SHS when compared with the criteria from previous studies. However, 97% of the participants reported that they were exposed to SHS at least once weekly. The participants were most exposed to SHS in the outdoor microenvironment, where they spent approximately 1.2 h daily. There was a significant correlation between the participants’ time spent outdoors and self-reported SHS exposure time (r2 = 0.935). In this study, a methodology using time activity patterns to assess temporal and spatial characteristics of SHS exposure was suggested. The results of this study may help develop policies for managing SHS exposure, considering the time activity patterns.

ACS Style

Byung Woo; Min Lim; Eun Park; Jinhyeon Park; Hyeonsu Ryu; Dayoung Jung; Marcus Ramirez; Wonho Yang. Characteristics of Non-Smokers’ Exposure Using Indirect Smoking Indicators and Time Activity Patterns. Sustainability 2020, 12, 9099 .

AMA Style

Byung Woo, Min Lim, Eun Park, Jinhyeon Park, Hyeonsu Ryu, Dayoung Jung, Marcus Ramirez, Wonho Yang. Characteristics of Non-Smokers’ Exposure Using Indirect Smoking Indicators and Time Activity Patterns. Sustainability. 2020; 12 (21):9099.

Chicago/Turabian Style

Byung Woo; Min Lim; Eun Park; Jinhyeon Park; Hyeonsu Ryu; Dayoung Jung; Marcus Ramirez; Wonho Yang. 2020. "Characteristics of Non-Smokers’ Exposure Using Indirect Smoking Indicators and Time Activity Patterns." Sustainability 12, no. 21: 9099.