Additional file 1: Appendix Table 1. Number of LBP cases and confidence intervals by sex, age and year. Appendix Table 2. YLDs of LBP and confidence intervals by sex, age and year. Appendix Table 3. NKP cases and confidence intervals by sex, age and year. Appendix Table 4. YLDs of NKP by sex, age and year. Appendix Table 5. Number of OST cases by sex, age and year. Appendix Table 6. YLDs for OST per sex, age and year. Appendix Table 7. Number of RHE cases by sex, age and year. Appendix Table 8. YLD for RHE and confidence intervals by sex, age and year. Appendix Table 9. Sociodemographic characteristics of participants to HIS 2013 - at the time of the survey. Appendix Table 10. Unadjusted direct average annual costs in function of MSK disorders (univariate regression, Belgian adult population). Appendix Table 11. Unadjusted indirect average annual costs in function of MSK disorders (univariate regression, Belgian working population). Appendix Table 12. Results of the double selection process (coefficients and ...