RESEARCH PAPER
Factors related to musculoskeletal disorders in quality control palm workers at palm purchasing establishments in Sichon District, Nakhon Si Thammarat, Thailand
 
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Walailak University, Nakhon Si Thammarat, Thailand
CORRESPONDING AUTHOR
Jittaporn Mongkonkansai   

Walailak University, 80161, Nakhon Si Thammarat, Thailand
 
Ann Agric Environ Med. 2020;27(2):207–210
KEYWORDS
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ABSTRACT
Introduction and objective:
The palm quality selection process has risks of problems in ergonomics. The aim of this research is to study the factors related to musculoskeletal disorders in quality control palm workers at palm purchasing establishments in Sichon District, Nakhon Si Thammarat, Thailand.

Material and methods:
A cross-sectional study was conducted with 50 workers with musculoskeletal disorders, as assessed by the Bureau of Occupational and Environmental Disease, Ministry of Public Health, Thailand. Ergonomic risk assessment was performed using the Rapid Entire Body Assessment (REBA), and the data studied with the help of descriptive statistics and chi-square analyses. All data were analyzed using SPSS version 19.

Results:
The sample included 96% of males with an average age of 34.2 years (SD=11.09). The participants used pickup trucks to transport palm oil from the plantation. 72% of the workers had worked at the plantation for 4.9±4.9 years; 54% did not work overtime. The average amount of palm oil collection for palm quality control was 23.5±11.3 tons/day. Quality control palm workers using sidecars (28%) were found to be moderately at risk, and those using trucks (72%) were at a high level of risk. The prevalence of musculoskeletal disorders after one year at work was 78%. The amount of palm oil controlled per day, working overtime, car type used for transport, and ergonomics risk level, were significantly related to musculoskeletal disorders in quality control palm workers (p-value <0.05).

Conclusions:
The results indicate a need for the top management and health-related personnel to promote occupational health and safety measures for quality control palm workers.

ACKNOWLEDGEMENTS
The study was partially supported by Walailak University, Thailand.
 
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