From: Antibiotic use in the care home setting: a retrospective cohort study analysing routine data
All ≥ 75 years | ≥75 years without a catheter | ≥ 75 years with a catheter | ||
---|---|---|---|---|
Unadjusted odds ratio | Adjusted odds ratioc | Adjusted odds ratioc | Adjusted odds ratioc | |
Care home resident | 2.66 (2.51–2.82; p < 0.001) | 2.12 (1.99–2.26; p < 0.001) | 2.19 (2.05–2.34; p < 0.001) | 1.40 (1.08–1.82; p = 0.012) |
Female | 2.57 (2.45–2.69; p < 0.001) | 2.85 (2.72–2.99; p < 0.001) | 2.95 (2.80–3.09; p < 0.001) | 1.46 (1.16–1.84; p = 0.001) |
Age | 1.03 (1.03–1.04; p < 0.001) | 1.01 (1.00–1.01; p = 0.003) | 1.01 (1.00–1.01; p = 0.004) | 0.99 (0.98–1.01; p = 0.574) |
Urinary catheter | 8.08 (7.31–8.93; p < 0.001) | 11.3 (10.1–12.6; p < 0.001) | N/A | N/A |
Comorbidity | ||||
• None | 1.00 | 1.00 | 1.00 | 1.00 |
• One | 1.65 (1.53–1.79; p < 0.001) | 1.67 (1.54–1.81; p < 0.001) | 1.71 (1.58–1.86; p < 0.001) | 0.86 (0.56–1.31; p = 0.475) |
• Two | 2.12 (1.97–2.28; p < 0.001) | 2.04 (1.89–2.20; p < 0.001) | 2.10 (1.94–2.27; p < 0.001) | 0.96 (0.65–1.42; p = 0.832) |
• Three or more | 2.82 (2.64–3.02; p < 0.001) | 2.61 (2.44–2.80; p < 0.001) | 2.71 (2.53–2.91; p < 0.001) | 1.00 (0.71–1.42; p = 0.989) |