Table 1 Summary of the questions of GPs’ and NPs’ Survey

GP survey (with question number)

 (1) Awareness of DM complications and co-morbidities

  Identifying DM-related complications that should be evaluated during regular DM check-ups (Q1)

  Identifying DM-related complications and co-morbidities according to DM guidelines (Q6)

  Acquainted with the term ‘cheiroarthropathy’ (Q7)

  Acquainted with CTS treatment (Q9)

 (2) Awareness of LJM as a DM complication

  Acquainted with LJM in DM guidelines (Q8)

  Awareness of association between CTS and DM (Q5)

  Awareness of upper extremity complaints in patients with DM (Q6)

  Awareness about relation between hand and wrist complaints in DM patients and their treatment (Q11 + Q12)

 (3) Management decisions in daily practice

  Management of patient with hand/finger complaints during DM evaluation moment (Q2)

  Management of CTS in vignette (Q3 + Q4)

  Management of CTS in daily practice if no corticosteroid injection is given (Q10)

 (4) Opinions on screening

  Should we screen patients with DM for LJM as one DM complication (Q13)

   Who should perform this screening (Q14)

NP survey (with question number)

 (1) Awareness of DM complications and co-morbidities

  Identifying DM-related complications and co-morbidities that should be evaluated during regular DM check-ups (Q1)

  Identifying physical examination that should be performed during regular DM check-ups (Q2)

  Acquainted with cheiroarthropathy (Q4)

 (2) Awareness of LJM as a DM complication

  Awareness of upper extremity complaints in DM patients (Q5)

  Awareness of hand, wrist, and shoulder complaints in DM patients (Q6)

  Awareness about troubles a DM patient with LJM could experience concerning DM treatment (Q7 + Q8)

 (3) Management decisions in daily practice

  Management of patient with hand/finger complaints during DM evaluation moment (Q3)

 (4) Opinions on screening

  Should we screen patients with DM for LJM as one DM complication (Q9)

  Who should perform this screening (Q10)