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. 2018 Jul 6;8(7):e022500. doi: 10.1136/bmjopen-2018-022500

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.