TABLE 5.
Adjusted prevalence RRs of two risk measures and a factor analysis scale from a multivariable linear model of MRSA infection or colonization on admissiona
| Risk measure | RR | 95% CI | P |
|---|---|---|---|
| History of nursing home stay in past yr | 6.18 | 3.56-10.72 | <0.0001 |
| History of MRSA infection ever | 3.97 | 1.94-8.12 | 0.0002 |
| Factor 3 scale of homelessness, jail stay, promiscuity, and drug useb | 3.14 | 1.56-6.31 | 0.0013 |
a
Generated by the SAS Genmod procedure with the log link function (39). The corresponding multivariate logistic regression analysis had a ROC area of 0.73 and a Hosmer-Lemeshow goodness-of-fit P value of 0.68.
b
Dichotomized at the 50th percentile.