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Table 4 Univariate regression analyses: Statistical significance (p-values) of explanatory variables

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

Explanatory variable Dependant variable
  Change in rate of thiazide-prescribing Change in rate of achievement of treatment goals Rate of assessment of cardiovascular risk
Geographical area (Oslo- or Tromsø-area) 0.89 0.42 0.74
Size of practice (number of doctors) 0.36 0.046 0.95
Proportion of doctors present at meeting 0.04 0.32 0.25
Pharmacist dummy-variable 1 (pharmacist A = 1, else = 0) 0.09 0.49 0.70
Pharmacist dummy-variable 2 (pharmacist B = 1, else = 0) 0.72 0.15 0.80
Pharmacist dummy-variable 3 (pharmacist C = 1, else = 0) 0.02 0.39 0.80
Length of educational meeting (minutes) 0.15 0.62 0.54
Proportion of doctors declining installation of software 0.70 0.13 0.77
Doctors' attitude toward using software* 0.83 0.62 0.67
Doctors' attitude toward printing out patient-information* 0.12 0.33 0.77
Doctors' attitude toward receiving the guidelines* 0.77 0.72 0.72
Doctors' attitude toward recommendation of cardiovascular risk-assessment* Not applicable Not applicable 0.22
Doctors' interest in topic* 0.55 0.92 0.16
Doctors' attitude toward pharmacist* 0.70 0.96 0.47
Doctors' attitude toward recommendation of thiazides as first-line antihypertensives* 0.32 Not applicable Not applicable
Self-assessed performance* 0.81 0.76 0.84
Are reminders working as they should?† 0.59 0.87 0.22
Attitude toward receiving reminders about risk assessment† Not applicable Not applicable 0.95
Attitude toward receiving reminders about treatment goals† Not applicable 0.002 Not applicable
Baseline rate of thiazide-prescribing 0.10 Not applicable Not applicable
  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.