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Table 1 Overview of physician and patient related data collection

From: Physicians using spinal manipulative treatment in The Netherlands: a description of their characteristics and their patients

Type of data Source of data Outcome measures
Physician characteristics Survey Demographics, training, treatment and referral patterns
Telephone call Number of days per week spent in MSK practice
Patient characteristics (web-based registry) Sample Patient questionnaires Treating physician
Cohort 1 (09/12–03/13) Numerical Rating Scale Demographics, source of referral, type and duration of complaints, and treatment
Cohort 2 (04/13–01/14) RDQ, NDI, LEFS, DASH, HIT-6a
Cohort 3 (02/14–02/16) Previous treatments
  1. aRDQ (Roland Disability Questionnaire); 24 items, range 0–24, higher scores indicate more disability
  2. NDI (Neck Disability Index); 10 items, range 0–50, higher scores indicate more disability
  3. LEFS (Lower Extremity Function Scale); 20 items, range 0–80, higher scores indicate less disability
  4. DASH (Disabilities of the Arm, Shoulder, and Hand); 30 items, range 0–100, higher scores indicate higher disability
  5. HIT-6 (Headache Impact Test); 6 items, range 36–78, higher scores indicate more disability