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Table 4 Multivariate predictors of Staphylococcus aureus colonization adjusted for clustering by community (N = 1,707)

From: Epidemiology and risk factors for Staphylococcus aureuscolonization in children in the post-PCV7 era

  Multivariable OR (95% CI) P-value
Year of swab   0.71
   2003–04 1.0  
   2006–07 0.95 (0.71–1.26)  
Age group   <0.001
   <6 months 0.61 (0.34–1.08)  
   6–<12 months 0.39 (0.24–0.64)  
   1–<2 years 0.35 (0.23–0.54)  
   2–<3 years 0.45 (0.28–0.73)  
   3–<4 years 0.53 (0.33–0.86)  
   4–<5 years 0.70 (0.44–1.11)  
   ≥5 years 1.0  
Female 0.83 (0.63–1.10) 0.20
Race/ethnicity   0.99
   White non-Hispanic 1.0  
   Black non-Hispanic 0.96 (0.49–1.90)  
   Hispanic 0.95 (0.51–1.76)  
   Other 0.90 (0.46–1.77)  
Median household income in community   0.89
   <$40,000 0.99 (0.51–1.93)  
   $40,000–$54,999 1.14 (0.67–1.94)  
   $55,000–$69,999 1.11 (0.67–1.84)  
   ≥$70,000 1.0  
% community members with <high school educational level   0.65
   <5% 0.99 (0.53–1.87)  
   5–<10% 0.76 (0.45–1.27)  
   10–<15% 0.87 (0.57–1.32)  
   ≥15% 1.0  
Colonization with Streptococcus pneumoniae 0.92 (0.67–1.27) 0.62
Antibiotics in past 2 months   0.005
   Amoxicillin-clavulanate/cephalosporins/mupirocin/TMP-SMX 0.57 (0.33–0.97)  
   Clindamycin/macrolides 0.51 (0.24–1.08)  
   Amoxicillin/penicillin 0.54 (0.35–0.84)  
   No antibiotics 1.0