Title: Indoor Human Activity
Course: WGF 106 DEVELOPMENT > Section: Content

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Journal of Exposure Analysis and Environmental Epidemiology routinely publishes the study “The National Human Activity Pattern Survey (NHAPS) by Klepeis et al. Time spent indoors (composed of time in a residence, in an office or factory, in a bar or restaurant, or in some other indoor location), as a nation – non-smoker, has approached 86.9%:

- Residence – 68.7%
- Office – Factory – 5.4%
- Bar – Restaurant – 1.8%
- Other Indoor Location – 11%
- In a Vehicle – 5.5%
- Outdoors – 7.6%
Attributions | Image courtesy of U.S. Environmental Protection Agency Content courtesy of JEA&EE_Klepeis et al (2001) _The National Human Activity Pattern Survey (NHAPS)-A Resource for Assessing Exposure to Environmental Pollutants