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Table 5 Multivariate regression models: Change in thiazide-prescribing and in achievement of treatment goals

From: Rational Prescribing in Primary care (RaPP): process evaluation of an intervention to improve prescribing of antihypertensive and cholesterol-lowering drugs

Dependant variable: Change in rate of thiazide-prescribing
Explanatory variable B (95 % CI) Standard error of B p-value
(Constant) 0.06 (-0.21 to 0.33) 0.13 0.66
Proportion of doctors present at meeting 0.12 (-0.04 to 0.27) 0.08 0.13
Pharmacist dummy-variable 1 (pharmacist A = 1, else = 0) -0.006 (-0.09 to 0.08) 0.04 0.89
Pharmacist dummy-variable 3 (pharmacist C = 1, else = 0) 0.05 (-0.03 to 0.13) 0.04 0.23
Length of educational meeting (minutes) 0.003 (-0.002 to 0.007) 0.002 0.21
Doctors' attitude toward printing out patient-information* -0.03 (-0.07 to 0.02) 0.02 0.21
Baseline rate of thiazide-prescribing -0.47 (-1.05 to 0.10) 0.29 0.11
R2 = 0.21, N = 63     
Dependant variable: Change in rate of achievement of treatment goals
Explanatory variable B (95 % CI Standard error of B p-value
(Constant) -0.003 (-0.06 to 0.05) 0.03 0.92
Size of practice (number of doctors) -0.006 (-0.02 to 0.003) 0.005 0.21
Pharmacist dummy-variable 2 (pharmacist B = 1, else = 0) -0.03 (-0.07 to 0.008) 0.02 0.11
Proportion of doctors declining installation of software 0.04 (-0.02 to 0.11) 0.03 0.20
Attitude towards receiving reminders about treatment goals 0.07 (0.02 to 0.12) 0.03 0.01
R2 = 0.24, N = 60     
  1. * Assessed by pharmacists after or during outreach visit, see Table 3 for coding of variable.
  2. † Response from doctors during telephone-interviews, see Table 2 for coding of variable.