Table 3 Multivariable analysis of antibiotic prescribing
From: Antibiotic prescribing in UK care homes 2016–2017: retrospective cohort study of linked data
Variable | Adjusted incidence rate ratio (95% CI) |
|---|---|
Gender | |
Male | Ref. |
Female | 1.03 (0.98–1.08) |
Age | |
65–74 | Ref. |
75–84 | 0.96 (0.89–1.04) |
85–94 | 0.99 (0.92–1.07) |
95+ | 1.11 (0.99–1.24) |
Type of care | |
Residential | Ref. |
Nursing | 1.21 (1.13–1.30) |
Dementia | |
No | Ref. |
Yes | 0.94 (0.89–1.00) |
Respite care | |
No | Ref. |
Yes | 1.12 (1.0–1.24) |
Entered care home during study period | |
No | Ref. |
Yes | 1.37 (1.30–1.44) |
Status at end of study period | |
In home | Ref. |
Permanently Discharged | 1.44 (1.32–1.57) |
Died | 1.58 (1.50–1.67) |
Number of reported infection episodes during study | |
0 | Ref. |
1 | 1.44 (1.35–1.54) |
More than 1 | 2.09 (1.96–2.24) |
Number of BNF chapters with repeated prescriptions (excluding antibiotics) | |
0–1 | Ref. |
2–4 | 1.94 (1.76–2.14) |
5–7 | 2.38 (2.16–2.62) |
8 or more | 2.89 (2.54–3.28) |