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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.
This study is a cross-sectional study. The study aims to determine the prevalence of asthma and COPD among workers in the Navanakorn Industrial Zone, Thailand. Thai subjects aged 18 years or older are included in the study.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Workers | Workers aged 18 years or older at Navanakorn industrial zone, Thailand |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Pulmonary function test | Diagnostic Test | Spirometry with bronchondilator test will be performed. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Prevalence of asthma among workers at the Navanakorn Industrial Zone | Prevalence rate of asthma among workers in the Navanakorn Industrial Zone | Baseline |
| Prevalence of COPD among workers in the Navanakorn Industrial Zone | Prevalence rate of COPD among workers in the Navanakorn Industrial Zone | Baseline |
| Measure | Description | Time Frame |
|---|---|---|
| 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 | Baseline |
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Inclusion Criteria:
Exclusion Criteria:
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Subjects aged 18 years or older who work or live in the Navanakorn Industrial Zone, Thailand.
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Narongkorn Saiphoklang, MD | Contact | +6629269794 | M_narongkorn@hotmail.com | |
| Apiwat Pugongchai, MSc | Contact | +6629269142 | pu.apiwat@gmail.com |
| Name | Affiliation | Role |
|---|---|---|
| Narongkorn Saiphoklang, MD | Thammasat University Faculty of Medicine | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Faculty of Medicine, Thammasat University | Recruiting | Pathum Thani | Changwat Pathum Thani | 12120 | Thailand |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 33073852 | Result | Vested A, Kolstad HA, Basinas I, Burdorf A, Elholm G, Heederik D, Jacobsen GH, Kromhout H, Omland O, Schaumburg I, Sigsgaard T, Vestergaard JM, Wouters IM, Schlunssen V. Dust exposure and the impact on hospital readmission of farming and wood industry workers for asthma and chronic obstructive pulmonary disease (COPD). Scand J Work Environ Health. 2021 Mar 1;47(2):163-168. doi: 10.5271/sjweh.3926. Epub 2020 Oct 19. | |
| 37026203 |
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IPD and documents will be available for sharing immediately after publication for a period of 2 years.
IPD and documents will be available for sharing immediately after publication for a period of 2 years.
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| ID | Term |
|---|---|
| D001249 | Asthma |
| D029424 | Pulmonary Disease, Chronic Obstructive |
| ID | Term |
|---|---|
| D001982 | Bronchial Diseases |
| D012140 | Respiratory Tract Diseases |
| D008173 | Lung Diseases, Obstructive |
| D008171 | Lung Diseases |
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| ID | Term |
|---|---|
| D012129 | Respiratory Function Tests |
| ID | Term |
|---|---|
| D003948 | Diagnostic Techniques, Respiratory System |
| D019937 | Diagnostic Techniques and Procedures |
| D003933 | Diagnosis |
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| Result |
| Garg R, Matreja PS, Maqusood M. Analysis of lung function and respiratory symptoms in brass/metal industrial workers of Moradabad, Uttar Pradesh, India. Ann Afr Med. 2023 Apr-Jun;22(2):219-223. doi: 10.4103/aam.aam_24_22. |
| 36993005 | Result | Bansal N, Lanjewar A, Acharya S, Shukla S. Assessment of pulmonary function test in brick factory workers. J Family Med Prim Care. 2022 Nov;11(11):6916-6919. doi: 10.4103/jfmpc.jfmpc_504_22. Epub 2022 Dec 16. |
| 26536964 | Result | Rafeemanesh E, Alizadeh A, Afshari Saleh L, Zakeri H. A study on respiratory problems and pulmonary function indexes among cement industry workers in Mashhad, Iran. Med Pr. 2015;66(4):471-7. doi: 10.13075/mp.5893.00115. |
| 36654813 | Result | Nasri SM, Putri FA, Sunarno S, Fauzia S, Ramdhan DH. PM2.5 exposure and lung function impairment among fiber-cement industry workers. J Public Health Res. 2023 Jan 13;12(1):22799036221148989. doi: 10.1177/22799036221148989. eCollection 2023 Jan. |
| 38020280 | Result | Elshaer N, Foda N, Shehata S. Respiratory symptoms and pulmonary function impairment among textile industry workers in Alexandria, Egypt. J Public Health Afr. 2023 Oct 1;14(10):2741. doi: 10.4081/jphia.2023.2741. eCollection 2023 Oct 31. |
| 34522508 | Result | Papageorgiou CV, Savourdos P, Douna E, Georgakopoulou VE, Makrodimitri S, Dounias G. Respiratory Symptoms and Pulmonary Function of Workers in the Waste Management Industry. Cureus. 2021 Aug 9;13(8):e17027. doi: 10.7759/cureus.17027. eCollection 2021 Aug. |
| 32510907 | Result | Cox-Ganser JM, White SK, Fedan KB, Bailey RL, Fechter-Leggett E, Cummings KJ. Spirometric Abnormalities and Lung Function Decline in Current and Former Microwave Popcorn and Current Flavoring Manufacturing Workers. J Occup Environ Med. 2020 Jun;62(6):412-419. doi: 10.1097/JOM.0000000000001860. |
| 15363011 | Result | Boonsawat W, Charoenphan P, Kiatboonsri S, Wongtim S, Viriyachaiyo V, Pothirat C, Thanomsieng N. Survey of asthma control in Thailand. Respirology. 2004 Aug;9(3):373-8. doi: 10.1111/j.1440-1843.2004.00584.x. |
| 40422562 | Result | Saiphoklang N, Ruchiwit P, Kanitsap A, Tantiyavarong P, Vatcharavongvan P, Palungrit S, Leelasittikul K, Pugongchai A, Poachanukoon O. Prevalence of Chronic Obstructive Pulmonary Disease and Asthma in the Community of Pathumthani, Thailand. Diseases. 2025 Apr 23;13(5):130. doi: 10.3390/diseases13050130. |
| 41294912 | Result | Saiphoklang N, Ruchiwit P, Kanitsap A, Tantiyavarong P, Vatcharavongvan P, Palungrit S, Leelasittikul K, Pugongchai A, Poachanukoon O. Silicosis and Pulmonary Functions Among Residents Exposed to Dust in Saraburi Thailand. Diseases. 2025 Nov 13;13(11):372. doi: 10.3390/diseases13110372. |
| D012130 |
| Respiratory Hypersensitivity |
| D006969 | Hypersensitivity, Immediate |
| D006967 | Hypersensitivity |
| D007154 | Immune System Diseases |
| D002908 | Chronic Disease |
| D020969 | Disease Attributes |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |