Merry Sunaryo
Musculoskeletal Disorders (MSDs) are one of the occupational health problems commonly experienced by workers in various sectors, including the agricultural industry. Freelancers in this sector tend to face higher risks due to the nature of the work that relies on physical labor, long work durations, unergonomic posture, and lack of job protection. This study aims to evaluate the factors that affect the incidence of musculoskeletal system disorders, especially skeletal muscle disorders in freelancers in the agricultural industry. The research design used was cross-sectional with a sample of 65 respondents selected in total sampling. The variables analyzed included age, gender, working period, daily working time, work stress, physical workload, nutritional status, and level of work fatigue. Data collection was carried out through the SNI 9011:2021 questionnaire, IFRC questionnaire, interviews, and anthropometric measurements. Data analysis uses logistic regression to find out the relationships and influences between variables. The results of the study showed that the factors of age, working period, length of work, nutritional status, work fatigue, work stress, and physical workload had a significant influence on the problem of musculoskeletal disorders, in this case skeletal muscle disorders, with an overall α value of <0.05. Meanwhile, gender showed no significant influence on this because the respondents' gender was entirely male, so the data were homogeneous. Based on these results, it can be known that all factors have a statistically significant influence. These findings confirm the importance of ergonomics interventions, workload management, and occupational health education in agricultural sector freelancers to reduce the risk of MSDs.