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Principal Investigator: James A. Wiley
University of California, Berkeley
September 1991
ARB Contract No. A733-149 (Full Report)
ABSTRACT
This report describes the purposes, methods, and preliminary findings of the first large-scale survey of children's
activity patterns done in the United States. The survey was commissioned by the California Air Resources Board
(ARB) in 1988 and was conducted by the staff of the Survey Research Center, University of California, Berkeley,
during the period April 1989 through February 1990. A sample of 1,200 California children aged 11 and under (and
adult informants living in the child's household) was selected by random- digit-dialing methods and interviewed
by phone to determine potential exposure to selected sources of air pollution and to ascertain (via a time diary)
the children's activities and locations during a 24-hour period. Time spent in various locations and activities
and proportions potentially exposed to air pollutants are reported by child's age (0-2 years, 3-5 years, 6-8 years,
and 9-11 years), child's gender, season of interview, and region of residence (Southern Coast, San Francisco Bay
Area, and "Rest of State"). Comparisons between the ARB Children's Activity Survey and the earlier ARB
Adult Activity Survey are also provided.
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