Abstract

Low back pain (LBP) is not a diagnose but it’s a symptom of pain that is felt in lower back area. Mechanical low back pain is a back pain cause by mechanical disorders such as enlargement of the lumbosacral angle or wrong body posture, can also cause by lifting a heavy objects and the body is not ready to accept it. Mechanical low back pain is a disease that is often found in the everyday practice of physicians. The purpose of this study is to analyze the relationship between age, gender, BMI, occupation, and pain intensity to daily activities disability scale in patients with mechanical low back pain. This study is an analitic research with cross sectional research design. Total sample case acquired is 104 sample using convenience sampling technique. Fisher statistical test is used to analyze the relationship between age to disability scale. Chi-Square statistical test is used to analyze the relationship between gender, BMI, and occupation to disability scale, and Mann-Whitney statistical test is used to analyze the relationship between pain intensity to disability scale. the result of this study is there is a significant relationship berween age (p = 0,021), BMI (p = 0,018), and pain intensity (P = 0,000) to disability scale, and there is no significant relationtship between gender (P = 0,939) and occupation (P = 0,759) to disability scale. The conclusion of this study is there is a significant relationship between age, BMI, and pain intensity to disability scale and there is no significant relationship between gender and occupation to disability scale in patients with mechanical low back pain.