CONSORT 2010 flow diagram.
Pain
(DOC)Click here for additional data file.(DOCX)Click here for additional data file.(DOCX)Click here for additional data file.(XLSX)Click here for additional data file.(DOCX)Click here for additional data file.We would like to thank the Back, Neck and Joint Pain and Human Performance (BNOJPH) Research Center Faculty of Associated Medical sciences, Khon Kaen University Thailand and the Research and Training Center for Enhancing Quality of Life of Working-Age People, Thailand for support, and Nonmuang Health Promoting Hospital, Samlium Primary Care Unit of Srinakarind Hospital, Nongweangtrachu 3 Community, Thailand for supporting the project.