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Table 3 Demographic characteristics and specialties of physicians completing questionnaires A, B and C.

From: Effect of response format for clinical vignettes on reporting quality of physician practice

Physician characteristics Questionnaire A (open-ended) Questionnaire B (closed-ended with deceptive items) Questionnaire C (closed-ended)
N 114 118 118
Sex (% female) 41.2 37.3 37.3
Age (mean ± SD) 43.8 ± 9.2 46.4 ± 8.8 47.2 ± 9.6
Years practicing rheumatology (mean ± SD) 17.8 ± 8.6 18.7 ± 8.5 19.4 ± 8.9
  Exclusive private practice (%) 35.0 32.8 31.1
Practice Both private and public practice (%) 26.5 32.8 28.6
  Exclusive public practice (%) 38.5 34.4 40.3
Previously prescribed TNF-blocking drug (yes, %) 64.9 68.6 73.9
Access to a checklist before TNF-blocker drug prescription (yes, %) 46.6 44.5 51.9
  1. Questionnaire A: open-ended; Questionnaire B: closed-ended with deceptive items; Questionnaire C: closed-ended