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Table 2 Principal components analysis of items in Barriers to Methadone Prescribing Scale

From: Physicians’ attitudes towards office-based delivery of methadone maintenance therapy: results from a cross-sectional survey of Nova Scotia primary-care physicians

Factor names and items Factor Loadings
Risks associated with MMT delivery Factor 1 Factor 2 Factor 3
1. Don’t want it known that I have a methadone license 0.74* 0.27 0.19
2. It would shift my practice too much to patients with opioid dependence 0.81* 0.13 0.02
3. Afraid of patient diversion of methadone 0.75* 0 −0.05
4. Fear of becoming involved with surveillance 0.58* 0.13 0.47
5. Am generally uncomfortable managing patients with opioid dependence 0.55* 0.01 0.33
6. Difficult patient population 0.57* 0.17 0.15
Training and support issues  
7. Not enough reimbursement 0.13 0.46* 0.32
8. Not enough interaction with other methadone maintenance practitioners −0.02 0.54* 0.23
9. Not enough political commitment 0.15 0.54* 0.31
10. Not enough support services (e.g. drug screening, addiction counseling services) 0.03 0.62* 0.19
11. Too much paperwork 0.27 0.80* 0.04
Too much time involved 0.37 0.76* −0.13
Little or no experience, training or education in the use of methadone for opioid dependence 0.01 0.51* −0.10
Resistance from external sources  
Community resistance 0.13 0.03 0.90*
Staff resistance 0.17 0.05 0.86*
Extensive regulations 0.14 0.34 0.71*
  1. *Loading used for interpretation of factors.