The Relation between Sitting Duration and Suspected Hernia Nucleus Pulposus among Cardboard Factory Workers in Tangerang

Abstract

Low back pain (LBP) has been the leading cause of disability in the world. One of the most frequent is a disease named hernia nucleus pulposus (HNP) that triggering the low back pain sensation. There are various factors that lead to the occurrence of the disease. One of those is sitting in prolonged duration (≥5hours)/day. This study aims to determine whether prolonged sitting duration influences the incidence of hernia nucleus pulposus among the factory workers. The method of this study is analytical-cross sectional and used non-random consecutive sampling. The study was in Tangerang city, on March 2019. There were 75 factory workers, each subject underwent the Laseque and Bragard test to assess for suspicion of hernia nucleus pulposus. 48 respondents were categorized as those who sit in prolonged duration and 27 respondents were categorized as those who sit in normal duration. Nine people were suspected of having the hernia nucleus pulposus, seven of which admitted having prolonged sitting duration, while the remaining two sit in a normal period (p= 0.48) by Fischer test. The prevalence ratio was 2.11 (confidence interval 95%). Prolonged sitting duration has no correlation with suspected HNP, but has 2.11 times higher risk to LBP.