Personal and Psychosocial Risk Factor for Low Back Pain among Automotive Manual Handling Workers in Selangor, Malaysia

Introduction It is well known that low back pain among working population is a global problem throughout the world. However, the current situation of occupational low back pain in Malaysia is still vague due to limited number of studies conducted locally. Objective A cross sectional study was conducted among three automotive industry workers in Selangor, Malaysia from October 2010 to April 2011. Methods This study aims to determine the prevalence and risk factors of low back pain among automotive industry workers performing manual material handling tasks using self-administered questionnaire survey. Results A modified Standardised Nordic Questionnaire was used to assess low back pain problem, to obtain personal and psychosocial risk factors information. The prevalence of low back pain showed increment in the point prevalence of 57.9%, 49.5%, and 35.1 % for 12 months, one month, and of 7 days respectively. Working hour, frequency of overtime, stress at work, work pace, and faster movement were found to be significantly associated with the 12 months prevalence for low back pain. Conclusions This finding indicates that psychosocial risk factors are associated to the occurrence of low back pain.