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Table 2 Independent variables: descriptive characteristics and bivariate correlations with overall range, tested one-tailed*

From: Determinants of the range of drugs prescribed in general practice: a cross-sectional analysis

 

mean/%

Sd

corr. with range

Age GP (mean/sd)a

47.7

6.1

0.05

Gender GP (% female)a

20

 

-0.09

Type of practice

   

Single-handed (%)

35

 

0.07

duo practice (%)

25

 

0.13

Group practice (%)

40

 

-0.04

Degree of urbanisation

   

very strong (%)

17

 

-0.15

Strong (%)

23

 

0.00

moderate (%)

18

 

-0.04

little (%)

30

 

0.01

not (%)

12

 

0.20*

Deprived urban area (%)

9

 

-0.17*

Dispensing practice (%)**

10

 

0.25*

Individual list size (mean/sd)

2193

560

0.26*

% patients > 75 yrs (mean/sd)

6.1

2.8

0.07

% patients with higher education (mean/sd)

23.1

11.5

0.22*

% patients publicly insured (mean/sd)

66.9

8.7

0.12

% patients of non-western origin (mean/sd)

6.5

11.8

-0.01

Hours per year postgraduate courses (mean/sd)

55.4

62.2

-0.05

Participation per year in pharm. meetings (mean/sd)

7.5

4.1

0.00

Use written information sources (mean/sd)

2.1

1.2

0.13

Use oral information sources (mean/sd)

1.7

1.1

-0.10

Visits (last 4 weeks) representatives pharm. ind. (mean/sd)

2

2.9

0.18*

Use independent information sources (mean/sd)

3.9

0.8

-0.10

Use information sources industry (mean/sd)

1.4

0.6

0.15*

Prescriptions per patient per year (mean/sd)

6.5

11.8

0.38*

  1. * p < 0.05.
  2. ** Where there was no directional hypothesis two-tailed testing was applied