Table 2.
Independent variables: descriptive characteristics and bivariate correlations with overall range, tested one-tailed*
| 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* |
* p < 0.05.
** Where there was no directional hypothesis two-tailed testing was applied