Development and evaluation of the multidimensional German pain questionnaire Abstract The German pain questionnaire (DSF) has been developed and validated by the Task force on 'Standardization and Economy in Pain Management' of the German Chapter of the International Association for the Study of Pain (DGSS). Spons Electrical Estimating Pdf Merge Tere Jaisa Yaar Kahan Karaoke Mp3 Download. more. The concept of the DSF is based on a bio (medical) - psycho - social pain model. The modular approach to pain assessment consists of: demographic data, pain variables (e. Pain sites, temporal characteristics, duration, intensity), pain associated symptoms, affective and sensory qualities of pain (adjective list by Geissner, SES©), pain relieving and intensifying factors, previous pain treatment procedures, pain-related disability (Pain Disability Index by Tait et al.), depression test CES-D (Center for Epidemiological Studies Depression Test), comorbid conditions, social factors (educational level, occupation, retirement status, compensation and/or litigation status, disability for work), health related quality of life (SF-36©). Practicability and content validity were tested in some 3000 patients. Comparison with external criteria (e.