Community (n = 403 259) | Care homes (n = 10 387) | |||||||
---|---|---|---|---|---|---|---|---|
Factor | RR1 | 95% CI | RR2 | 95% CI | RR1 | 95% CI | RR2 | 95% CI |
Care home type | ||||||||
Residential | – | – | 1 | – | 1 | – | ||
Nursing | – | – | 1.09 | 1.02 to 1.18 | 1.04 | 0.96 to 1.11 | ||
Unclassified | – | – | 1.00 | 0.90 to 1.11 | 1.04 | 0.94 to 1.14 | ||
Dementia | ||||||||
No | 1 | – | – | – | 1 | – | 1 | – |
Yes | 1.06 | 1.01 to 1.12 | 0.99 | 0.94 to 1.04 | 0.77 | 0.72 to 0.82 | 0.87 | 0.81 to 0.92 |
Other comorbidities | ||||||||
0 | 1 | – | – | – | 1 | – | 1 | – |
1 | 1.56 | 1.53 to 1.60 | 0.87 | 0.86 to 0.89 | 1.11 | 1.04 to 1.20 | 0.92 | 0.86 to 0.98 |
2 | 1.99 | 1.94 to 2.04 | 0.79 | 0.77 to 0.80 | 1.23 | 1.14 to 1.34 | 0.87 | 0.80 to 0.94 |
3 | 2.42 | 2.35 to 2.49 | 0.76 | 0.74 to 0.78 | 1.31 | 1.18 to 1.46 | 0.84 | 0.75 to 0.93 |
≥4 | 2.88 | 2.78 to 2.99 | 0.77 | 0.74 to 0.80 | 1.30 | 1.12 to 1.50 | 0.77 | 0.67 to 0.88 |
Number of drug classes | ||||||||
0–2 | 1 | – | – | – | 1 | – | 1 | – |
3–5 | 4.63 | 4.45 to 4.82 | 4.89 | 4.69 to 5.09 | 3.16 | 2.22 to 4.50 | 3.22 | 2.26 to 4.59 |
6–10 | 9.43 | 9.06 to 9.82 | 10.6 | 10.1 to 11.0 | 5.89 | 4.18 to 8.31 | 6.10 | 4.32 to 8.60 |
≥11 | 16.2 | 15.5 to 16.9 | 19.1 | 18.3 to 20.0 | 9.42 | 6.67 to 13.3 | 9.91 | 6.99 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.