TABLE 4.

Risk factors for MRSA colonization compared to MSSA colonization and no S. aureus colonization by multivariate analysis using polytomous logistic regression

Risk factorMRSA vs No_CaMRSA vs MSSAP value of overall model
Odds ratio (95% confidence interval)P value of coefficientOdds ratio (95% confidence interval)P value of coefficient
Presence of household members aged under 72.2387 (1.5255-3.2853)<0.00012.9110 (1.9048-4.4488)<0.0001<0.0001
Smoking habits0.4419 (0.2383-0.8195)0.00960.9582 (0.4946-1.8563)0.8994<0.0001
Using antibiotics within the past year2.0530 (1.3544-3.1118)0.00072.0322 (1.2826-3.2198)0.00250.0031
  • a No_C, no S. aureus colonization.