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Respiratory complaints as predictors of lung function of KIMWA ready-mixed concrete manufacturing workers in Mandaue City and its implication on the Occupational Safety and Health Hazard (OSH) program.


Sol Claire D. Baran,
Charmae T. Flores,
Eunice S. Kuizon,
Froi Anthony H. Manlosa,
Krizelle Joyce Q. Remigio,
Gerardo R. Sanchez Jr.,
Julius Cesar Yap

Related Institution

College of Rehabilitative Sciences - Respiratory Therapy Department - Cebu Doctors' University

Publication Information

Publication Type
Thesis Degree
Respiratory Therapy
Publication Date
March 2015


This study was conducted to determine respiratory complaints as a predictor of lung function of KIMWA Ready-Mixed Concrete Manufacturing workers and its implication to Occupational Safety and Health Hazard (OSH) Program. A descriptive correlational design was utilized in this study. The researchers obtained the data collection in the premises of KIMWA Ready-mixed Concrete Manufacturing and Development Corporation and Cebu Doctors' University Hospital for pulmonary function testing. A total of eighty (80) respondents were selected through a simple random sampling. There were two (2) research tools used in the study - The          St. George's Respiratory Questionnaire and WinDX spirometer.


Based from data gathered, the total score of the respondents' respiratory complaints, a mean of 17.88 was considered normal and presents a better quality of life. Furthermore, it implies that the occasional occurrence of respiratory complaints of the respondents do not affect the physical and psycho-social functioning. A normal lung function profile among KIMWA ready-mixed concrete manufacturing workers were spirometrically confirmed in terms of Forced Vital Capacity (FVC) with a mean of 99.25%, Forced Expiratory Volume in one second (FEV1)  with a mean of 98.23% and Ratio of FEV1 to FVC (FEV1/FVC %) with a mean of 99.97%. Having these results, the respondents' lungs were considered to be in normal condition. The relationship of respiratory complaints and lung function were tested to obtain the F-value, which is a determinant of significant relationship between two variables.  Respiratory complaints and Forced Vital Capacity (FVC) showed 0.00 F-value; respiratory complaints and Forced Expiratory Volume in one second (FEV1) showed 0.98 value; the ratio of FEV1 to FVC (FEV1/FVC %) showed F-value of 0.61. An F-value closer to 0 means that there is no significant relationship. Thus, this showed that respiratory complaints could not explain the variation in the lung function profile of the respondents.


The respiratory complaints, based on the total score, are normal and present a better quality of life of the KIMWA ready-mixed concrete manufacturing workers. Their lung function profile also shows normal. Furthermore, there is no relationship between the respiratory complaints and the lung function profile of the respondents. In addition, respiratory complaints could not predict lung function profile. Hence, the implication of the KIMWA with the Occupational Safety and Health Standards safeguard the well-being of the workers. As for recommendations, Pulmonary Function Test could be an addition to an annual physical examination program for KIMWA Construction and Development Corporation and should consider threshold limit values for airborne contaminants. On the other hand, Department of Labor and Employment and Occupational Safety and Hazard Agency may further improve program to other related companies. Lastly, this could serve as baseline or reference for an upcoming studies that will be made by future researchers.




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