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This study evaluates two different ways of using air cleaners to reduce the effects of indoor particle and phthalate exposure on heart and lung health. It enrolled healthy college students aged 18 to 30 living in Beijing. This was a non-phase study and has been completed.
The summary above is a plain-language rendering of the official record. The original English title is shown for reference.
Criteria are reproduced from the ClinicalTrials.gov record in the original English. Only the trial team can determine eligibility.
Inclusion Criteria: * Healthy college students aged between 18 and 30 years old; * Will stay within the central urban area of Beijing over the entire study including the wash-out period; * BMI \<30 kg/m3. Exclusion Criteria: * Current or ever smokers; * A history of chronic respiratory diseases; * A history of chronic cardiovascular diseases; * Acute infections; * Medication use in recent one month; * Leave Beijing during the intervention.