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
Qualifiers
Age 18 years or older
Disqualifiers
Inability to perform spirometry
Trial design
Treatments tested in this trial
- Pulmonary function test
Treatment groups
310 Participants
are divided into 1 treatment groupSponsors and collaborators
Source ClinicalTrials.gov