About this trial
The goal of this observational study is to determine the prevalence of asthma and chronic obstructive pulmonary disease (COPD) among workers in an industrial zone in Thailand.
The main question the study aims to answer is:
What is the prevalence of asthma and COPD among workers in Thailand? Participants will complete a questionnaire on respiratory symptoms and undergo pulmonary function testing.
Eligibility criteria
This trial accepts healthy volunteersQualifiers
Age 18 years or older
Disqualifiers
Inability to perform spirometry
Trial population
Subjects aged 18 years or older who work or live in the Navanakorn Industrial Zone, Thailand.
Trial design
Other
Cross-sectional
Treatments tested in this trial
Pulmonary function test
Diagnostic testSpirometry with bronchondilator test will be performed.
Treatment groups
Trial outcomes
Primary outcomes
Prevalence of asthma among workers at the Navanakorn Industrial Zone
Prevalence rate of asthma among workers in the Navanakorn Industrial Zone
Prevalence of COPD among workers in the Navanakorn Industrial Zone
Prevalence rate of COPD among workers in the Navanakorn Industrial Zone
Secondary outcomes
Prevalence of abnormal lung function among workers in the Navanakorn Industrial Zone
Prevalence rate of abnormal lung function among workers in the Navanakorn Industrial Zone
Sponsors and contacts
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