Multidrug-Resistant and Methicillin-Resistant Staphylococcus aureus (MRSA) in Hog Slaughter and Processing Plant Workers and Their Community in North Carolina (USA)

http://dx.doi.org/10.1289/ehp.1306741



Table 4. Unadjusted and adjusted PRs estimating the association between exposures and carriage of multidrug-resistant S. aureus.
Category n Unadjusted PR (95% CI) p-Value Adjusted PR (95% CI) p-Value
PR, prevalence ratio.
aReference group are those who did not visit a medical facility in last 6 months. bReference group are those who did not take anti­microbials in last 6 months.
Participant group          
Community resident 111 Referent Referent
Household member 62 1.19 (0.35, 4.07) 0.78 1.04 (0.25, 4.28) 0.96
Worker 162 1.48 (0.58, 3.79) 0.41 1.96 (0.71, 5.45) 0.20
Age (years)          
18–25 88 Referent   Referent
26–35 66 1.33 (0.45, 3.95) 0.60 0.97 (0.30, 3.15) 0.96
36–45 65 0.68 (0.18, 2.61) 0.57 0.54 (0.14, 2.17) 0.39
46–55 62 0.95 (0.28, 3.21) 0.93 0.55 (0.14, 2.22) 0.40
56–82 50 1.17 (0.35, 3.96) 0.80 1.07 (0.31, 3.74) 0.91
Medical facility visit in last 6 monthsa 193 0.96 (0.42, 2.22) 0.92 0.98 (0.41, 2.32) 0.96
Use of antimicrobials in last 6 monthsb 80 0.89 (0.34, 2.31) 0.80 1.07 (0.40, 2.86) 0.90