Table 3.
Logistic regression of risk factors for colonisation with meticillin-resistant Staphylococcus aureus (MRSA) among 2492 residents of care homes in Leeds, UK, according to care home capability
| Risk factor | Comparison group | Overall |
Care home |
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| Without nursing capability |
With nursing capability |
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| OR (95% CI) | p Value | OR (95% CI) | p Value | OR (95% CI) | p Value | ||
| After intervention | No intervention | 1.36 (1.04 to 1.79) | 0.02 | 1.61 (1.03 to 2.52) | 0.034 | 1.26 (0.91 to 1.75) | 0.159 |
| No. of hospital admissions in the last 12 months | – | 1.18 (1.11 to 1.26) | <0.001 | 1.23 (1.11 to 1.36) | <0.001 | 1.14 (1.05 to 1.24) | 0.001 |
| No. of hospital admission days in the last 12 months | – | 1.00 (1.00 to 1.00) | 0.001 | 1.00 (1.00 to 1.01) | 0.046 | 1.00 (1.00 to 1.00) | 0.006 |
| Presence of an invasive device | Absence of invasive device | 2.36 (1.70 to 3.29) | <0.001 | 1.81 (0.86 to 3.82 | 0.116 | 2.46 (1.70 to 3.56) | <0.001 |
| Record of MRSA infection prior to study | No previous record | 2.12 (1.49 to 3.02) | <0.001 | 3.73 (1.78 to 7.82) | <0.001 | 1.78 (1.19 to 2.65) | 0.005 |
| Age 80–89 years | <80 years | 1.13 (0.92 to 1.39) | 0.24 | 1.14 (0.80 to 1.64) | 0.454 | 1.15 (0.90 to 1.48) | 0.246 |
| Age 90+ years | <80 years | 1.29 (0.94 to 1.78) | 0.11 | 1.54 (0.91 to 2.6) | 0.101 | 1.13 (0.75 to 1.7) | 0.537 |
| Male | Female | 1.48 (1.24 to 1.78) | <0.001 | 1.37 (1.0 to 1.87) | 0.042 | 1.55 (1.25 to 1.93) | <0.001 |