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Table 2 Results of logistic regression with MRSA colonization as the outcome

From: Heavy metal exposure and nasal Staphylococcus aureus colonization: analysis of the National Health and Nutrition Examination Survey (NHANES)

 

Q1

Q2

Q3

Q4

OR

OR (95% CI)

OR (95% CI)

OR (95% CI)

Pb*

    

 Model 1a

1.00

1.44 (0.82, 2.55)

1.59 (0.91, 2.78)

1.82 (1.01, 3.29)

 Model 2b

1.00

1.27 (0.71, 2.26)

1.36 (0.65, 2.88)

1.52 (0.66, 3.51)

 Model 3c

1.00

1.52 (0.83, 2.76)

1.56 (0.75, 3.24)

1.82 (0.81, 4.10)

Cd

    

 Model 1a

1.00

0.63 (0.38, 1.03)

1.21 (0.71, 2.07)

1.26 (0.85, 1.86)

 Model 2d

1.00

0.50 (0.29, 0.86)

0.74 (0.45, 1.23)

0.82 (0.50, 1.35)

 Model 3e

1.00

0.41 (0.20, 0.83)

0.60 (0.34, 1.08)

0.60 (0.36, 1.03)

  1. *P for trend ≤0.05. a) Unadjusted; b) Adjusted for age, gender, race, and income; c) Adjusted for age, gender, race, income, smoking, iron, calcium, and Vitamin C; d) Adjusted for age, gender, income, and smoking; e) Adjusted for age, gender, income, smoking, and fruit and vegetable consumption. Data from NHANES 2001–2004, n = 18,626. Percentages are adjusted using survey weights to be representative of the United States population. Bold text indicates that the 95% CI does not cross 1.00, and the finding is considered significant. Abbreviations: MRSA – Methicillin-resistant Staphylococcus aureus; Q – Quartile; OR – Odds ratio; CI – Confidence interval; Pb – Lead; Cd – Cadmium