From: Prescriber variation in potentially inappropriate prescribing in older populations in Ireland
 | Total number of patients N = 338,725 | N (%) prescribed at least one PIP | Multilevel unadjusted OR* (95% CIs) |
---|---|---|---|
Patient level fixed effects | Â | Â | Â |
Gender | |||
Male | 144,316 | 49,517 (34) | 1 |
Female | 194,409 | 71,592 (37) | 1.12 (1.10, 1.13) |
Age | Â | Â | Â |
70-74Â years | 128,261 | 41,304 (32) | 1 |
≥ 75 years | 210,464 | 79,805 (38) | 1.30 (1.28, 1.32) |
No of different repeat drug classes | Â | Â | Â |
0 | 28,259 | 950 (3) | 1 |
1 | 19,533 | 1,278 (6) | 2.01 (1.85, 2.19) |
2 | 24,013 | 2,892 (12) | 3.97 (3.68, 4.28) |
3 | 28,970 | 5,149 (18) | 6.29 (5.85, 6.75) |
4 | 32,742 | 7,505 (23) | 8.72 (8.13, 9.35) |
5 | 33,538 | 10,078 (30) | 12.64 (11.80, 13.54) |
6 | 32,984 | 12,089 (37) | 17.14 (16.00, 18.36) |
7 | 29,738 | 12,984 (44) | 22.94 (21.41, 24.57) |
8 | 25,574 | 12,753 (50) | 29.58 (27.59, 31.71) |
9 | 20,908 | 11,755 (56) | 38.12 (35.52, 40.91) |
≥10 | 62,466 | 43,676 (70) | 69.96 (65.40, 74.83) |
GP practice level fixed effects †| No of GPs N = 1,938 | % prescribed at least one PIP | Multilevel unadjusted OR (95% CI) |
Gender ‡ |  |  |  |
Male | 1,359 | 1,344 (99) | 1 |
Female | 557 | 450 (97) | 0.98 (0.94, 1.01) |
Area of residence | Â | Â | Â |
Urban | 1,438 | 1,408 (98) | 1 |
Rural | 500 | 470 (94) | 0.89 (0.86, 0.92) |
Deprivation | Median | IQR | Â |
Deprivation | 0.68 | 1.91 | 1.03 (1.02, 1.04) |