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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 TromsĂž-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.