SpineData was conceived an built over a seven-year period to facilitate the acquisition, management, storage and display of health information collected through an online questionnaire for the purposes of quality assurance, research and clinical decision making support. Large-scale clinical registries are increasingly recognized as important resources for quality assurance and research to inform clinical decision making and health policy. SpineData is a Danish clinical registry in a conservative care setting where more than 10,000 new cases of spinal pain are assessed each year.