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Table 2 Bivariate analysis of factors related to prescribers according to the NGS rate

From: Factors influencing the use of the “not for generic substitution” mention for prescriptions in primary care: a survey with general practitioners

Variable NGSa mention < 5% of prescriptions
n = 119
NGSa mention ≥5% of prescriptions
n = 158
p value
Age of prescriber (mean, SDb) 53.2 (10.8) 51.5 (11.3) 0.44
Sex: Female (n, %) 36 (30.3) 63 (39.9) 0.10
Use of INNc: <  15% (n, %) 44 (37.0) 77 (48.7) 0.05
Participation in a quality circle: Yes (n, %) 77 (64.7) 87 (55.1) 0.11
Use of EPSd: Yes (n, %) 109 (91.6) 126 (79.8) 0.006
Place of practice: City (versus rural settings) (n, %) 47 (39.5) 82 (51.9) 0.04
  1. aGS Not for Generic Substitution
  2. bSD Standard Deviation
  3. cINN International Nonproprietary Name
  4. dPS E-Prescription System