Reinforced bar bending (rebar) is a common job among construction workers. Rebar workers
are at risk for MSDs caused by ergonomic factors, such as forceful pulling, continuous back bending, and heavy litting.tln Thailand, most rebar workers are in the informal workforce, that is,
comprising primarily women who do piece-work at home. Studies on home-based workers in
Thailand have shown that 90% of them report MSD symptoms."!' Apart from being the most
prevalent, MSDs have been identified as among the most serious hazards facing working women."
Women are exposed to these risks because of the types ofjobs they do. Presently, in Thailand, the
proportion of women engaged in rebar work is increasing.l" Therefore, this study aimed to investigate the prevalence of MSD symptoms and risk factors among female rebar workers.