Chronic Obstructive Pulmonary Disease and Asthma in Workers at Navanakorn Industrial Zone, Thailand
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.
Conditions studied
Asthma, COPD
About this study
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.
Interventions
- Diagnostic Test: Pulmonary function test — Spirometry with bronchondilator test will be performed.
Primary outcomes
- Prevalence of asthma among workers at the Navanakorn Industrial Zone (Baseline)
- Prevalence of COPD among workers in the Navanakorn Industrial Zone (Baseline)
Eligibility information
Study locations
- Faculty of Medicine, Thammasat University, Pathum Thani, Changwat Pathum Thani 12120 Thailand
Source: ClinicalTrials.gov. Record last refreshed by Varda Clinical: 2026-09-27.