Questionnaires were used to obtain
information about household characteristics including
floor plan, air conditioning usage, potential indoor
sources of particulates, cooking fuel and time-activity
pattern of the participants. In addition, the subjects
were interviewed after each day of measurements for
recording of their daily activities such as incense usage,
cooking, cleaning, time spent outdoor, exposure to
tobacco smoke, and similar issues.
Questionnaires were used to obtaininformation about household characteristics includingfloor plan, air conditioning usage, potential indoorsources of particulates, cooking fuel and time-activitypattern of the participants. In addition, the subjectswere interviewed after each day of measurements forrecording of their daily activities such as incense usage,cooking, cleaning, time spent outdoor, exposure totobacco smoke, and similar issues.
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