en Occupational Health Original Article <div style="text-align: justify;"><span style="font-size:10pt"><span style="line-height:150%"><span courier="" new="" style="font-family:"><span style="color:black"><b><span style="font-size:11.0pt"><span style="line-height:150%"><span new="" roman="" style="font-family:" times="">Background:</span></span></span></b><span style="font-size:11.0pt"><span style="line-height:150%"><span new="" roman="" style="font-family:" times=""> <a name="_Hlk161388628">E-waste workers have a high prevalence of work-related musculoskeletal disorders (WMSDs)</a><a name="_Hlk183023150">. This study examined the effects of health promotion programs on reducing muscle pain among electronic waste workers and compared the prevalence between before and after programs.&nbsp; </a></span></span></span></span></span></span></span><br> <span style="font-size:10pt"><span style="line-height:150%"><span courier="" new="" style="font-family:"><span style="color:black"><b><span style="font-size:11.0pt"><span style="line-height:150%"><span new="" roman="" style="font-family:" times="">Materials and Methods:</span></span></span></b><span style="font-size:11.0pt"><span style="line-height:150%"><span new="" roman="" style="font-family:" times=""> This part of the research was quasi-experimental, with a one-group pre-and post-test design. The researchers selected samples using multi-stage sampling by specifying e-waste recycling shops, a total of 55 shops. The data providers in this study consisted of 159 e-waste workers who participated in the research. <a name="_Hlk183024933">The data were collected from the e-waste recycling shops situated in 14 provinces in southern Thailand between January 2021 and October 2021. </a><a name="_Hlk189471121">The details of the program to improve muscle pain are as follows: </a>1) providing knowledge about work-related muscle aches, and 2) Creating prevention and self-care to protect and reduce muscle aches. A paired t-test and independent t-test were used for comparing between groups. A chi-square test was used for categorical variables where appropriate, and simple linear regression was employed for the analysis.</span></span></span></span></span></span></span><br> <span style="font-size:10pt"><span style="line-height:150%"><span courier="" new="" style="font-family:"><span style="color:black"><b><span style="font-size:11.0pt"><span style="line-height:150%"><span new="" roman="" style="font-family:" times="">Results: </span></span></span></b><span style="font-size:11.0pt"><span style="line-height:150%"><span new="" roman="" style="font-family:" times="">The result of the prevalence of body muscle aches in 159 e-waste workers, <a name="_Hlk189471664">the top 3 </a><a name="_Hlk189471796">common pain symptoms </a>that e-waste workers had body muscle aches including shoulders (42.14%), hips/thighs (37.11%), and upper back (33.96%). The perception levels, behavioral practices, and muscle aches before and after the use of functional improvement programs were significantly different, at p < 0.001. </span></span></span></span></span></span></span><br> <span style="font-size:10pt"><span style="line-height:150%"><span courier="" new="" style="font-family:"><span style="color:black"><b><span style="font-size:11.0pt"><span style="line-height:150%"><span new="" roman="" style="font-family:" times="">Conclusion:</span></span></span></b><span style="font-size:11.0pt"><span style="line-height:150%"><span new="" roman="" style="font-family:" times=""> Overall, health promotion programs can be used to reduce impacts of ergonomic risk factors.</span></span></span></span></span></span></span></div> Health Promotion,Electronic Waste,Recycling, 297 307 http://johe.rums.ac.ir/browse.php?a_code=A-10-682-1&slc_lang=en&sid=1 Somsiri Decharat - - somsiri_9@hotmail.com 22400319475328460013298 22400319475328460013298 Yes Associate Prof., Dept. of Occupational Health and Safety, Faculty of Health and Sports Science, Thaksin University, Thailand. Thaksin University Peeranart Kiddee - - peeranartk@hotmail.com 22400319475328460013299 22400319475328460013299 No Assistant Prof., Dept. of Environmental Science, Faculty of Science and Digital Innovation Biological, Thaksin University, Thailand. Thaksin University