Low back pain is a critical public health problem; this condition significantly affects the quality of life and has a major socioeconomic impact. The present study aimed to investigate the interference of low back pain with everyday functions of life in disability care workers, and to examine the influencing factors of the interference, such as workers' demographic, lifestyle habits, self-reported health status, working conditions and previous pain experience. The Wong-Baker FACES Pain Rating Scale and Brief Pain Inventory - Short Form were used to identify the pain severity and life interference of 677 participants who had experienced low back pain conditions in the previous year. The results indicated that the mean score of the pain severity was 3.78 ± 1.82, 78.9% subjects experienced mild pain (score 2-4), 13.7% subjects experienced moderate pain, and 5.3% subjects experienced severe pain. More than twenty percent of the respondents reported that low back pain moderately or severely interfered with their daily functions. Many working conditions and pain experienced significantly correlated with the score of pain interference in the care workers after controlling for factors of healthy lifestyle and health status (R 2 = 41.7%). These findings may garner attention from health welfare authorities and lead to improvements in health promotion initiatives to prevent low back pain from interfering with the daily activities of care workers for people with intellectual, autistic and associated disabilities.
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