Table 1.
Prevalence of patients aged 65 years and over dispensed at least one DBI medication prescription in 2016
Patient-level fixed effects (n) | % dispensed a DBI prescription | OR (95% CI) | |
Unadjusted | Adjusted | ||
Sex | |||
Male (185 938) | 58.7 | 1.00 | 1.00 |
Female (242 578) | 71.6 | 1.78 (1.75 to 1.80) | 1.65 (1.63 to 1.68) |
No of chronic drugs | |||
0–4 (153 960) | 42.7 | 1.00 | 1.00 |
5–7 (113 614) | 66.4 | 2.65 (2.60 to 2.69) | 2.67 (2.63 to 2.71) |
8–11 (102 682) | 83.9 | 6.96 (6.82 to 7.09) | 7.03 (6.89 to 7.17) |
≥12 (58 260) | 95.4 | 27.63 (26.55 to 28.76) | 27.81 (26.72 to 28.96) |
Age (years) | |||
65–69 (96 804) | 63.5 | 1.00 | 1.00 |
70–74 (109 118) | 62.4 | 0.95 (0.94 to 0.97) | 0.85 (0.83 to 0.87) |
75–79 (93 300) | 65.3 | 1.09 (1.07 to 1.11) | 0.81 (0.80 to 0.83) |
≥80 (129 294) | 71.5 | 1.44 (1.42 to 1.47) | 0.82 (0.81 to 0.84) |
DBI, Drug Burden Index; n, number of patients.