This study is a descriptive study of the sector (cross-sectional descriptive study) is cut with the purpose to study the risk factors that are associated with lower back pain. In workers sit and collect the longan Ban Amphoe PA sang of lamphun, less raw water by doing a study on number of longan storage seat 230 workers who collect data by using a query to answer yourself. By relationship factors specified in its section the working environment the working environment, psychology, social work, and analyze data using the average percentage value, standard deviation and raise heart risks using complex statistics to estimate. Use the cross square (Chi-Square test).
การแปล กรุณารอสักครู่..
