Table 2 Number of different medications used and number of different prescribing clinics per individual during one year in a sample of 271 primary health care patients. One prescription fill during the study period (365 days) was enough to be classified as a user of a medication. Values are results of chi-square tests performed separately for each category. P-values should be interpreted using the Bonferroni adjusted alpha level of 0.01
Total | Intervention group | Control group | |||||
|---|---|---|---|---|---|---|---|
N | n | % | n | % | Χ2 (df.) | p | |
Total | 271 | 132 | 100.0 | 139 | 100.1 | ||
No. of different medications | |||||||
0 | 26 | 17 | 12.9 | 9 | 6.5 | 3.2 (1) | 0.074 |
1–4 | 133 | 62 | 47.0 | 71 | 51.1 | 0.5 (1) | 0.50 |
5–10 | 84 | 47 | 35.6 | 37 | 26.6 | 2.6 (1) | 0.11 |
> 10 | 28 | 6 | 4.5 | 22 | 15.8 | 9.3 (1) | 0.002 |
No. of different prescribing clinics | |||||||
0 | 26 | 17 | 12.9 | 9 | 6.5 | 3.2 (1) | 0.074 |
1 | 102 | 46 | 34.8 | 56 | 40.3 | 0.8 (1) | 0.36 |
2–3 | 110 | 60 | 45.5 | 50 | 36.0 | 2.5 (1) | 0.11 |
> 3 | 33 | 9 | 6.8 | 24 | 17.3 | 6.9 (1) | 0.007 |