Table 5

Predictors of Beers-criteria potentially inappropriate prescribing in the community and care homes

Community (n = 403 259)Care homes (n = 10 387)
FactorRR195% CIRR295% CIRR195% CIRR295% CI
Care home type
 Residential11
 Nursing1.091.02 to 1.181.040.96 to 1.11
 Unclassified1.000.90 to 1.111.040.94 to 1.14
Dementia
 No111
 Yes1.061.01 to 1.120.990.94 to 1.040.770.72 to 0.820.870.81 to 0.92
Other comorbidities
 0111
 11.561.53 to 1.600.870.86 to 0.891.111.04 to 1.200.920.86 to 0.98
 21.991.94 to 2.040.790.77 to 0.801.231.14 to 1.340.870.80 to 0.94
 32.422.35 to 2.490.760.74 to 0.781.311.18 to 1.460.840.75 to 0.93
 ≥42.882.78 to 2.990.770.74 to 0.801.301.12 to 1.500.770.67 to 0.88
Number of drug classes
 0–2111
 3–54.634.45 to 4.824.894.69 to 5.093.162.22 to 4.503.222.26 to 4.59
 6–109.439.06 to 9.8210.610.1 to 11.05.894.18 to 8.316.104.32 to 8.60
 ≥1116.215.5 to 16.919.118.3 to 20.09.426.67 to 13.39.916.99 to 14.0
  • RR1 = Adjusted for age and sex. RR2 = Adjusted for age, sex region, area deprivation (community only), care home type (care home only), dementia, comorbidity score, and number of drug classes.