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Table 1 Analysis of risk factors for Nasal and Throat colonization of S. aureus in HIV positive individuals attending HIV care service in Northern Ethiopia, September 2014–February 2015

From: Prevalence and risk factors of methicillin-resistant Staphylococcus aureus colonization among HIV patients in Mekelle, Northern Ethiopia

Variables Frequency (%) S. aureus colonization
No. (%) OR (95 % CI) P value
Age in years
 1–9R 10 (4.0) 1 (10) NC 0.59
 10–19 19 (7.6) 8 (42.1)
 20–29 35 (14.1) 10 (28.6)
 30–39 103 (41.4) 36 (35.0)
 40–49 55 (22.1) 18 (32.7)
 50–59 17 (6.8) 5 (29.4)
 60–69 7 (2.8) 1 (14.3)
 70–79 3 (1.2) 2 (66.7)
Sex
 FemaleR 174 (69.9) 62 (35.6) 0.613 (0.334–1.123) 0.113
 Male 75 (30.1) 19 (25.3)
Hospitalization in the past 6 months
 NoR 223 (89.6) 60 (26.9) 11.41 (4.12–31.62) 0.000
 Yes 26 (10.4) 21 (80.8)
Hospital visit in the past 12 months
 NoR 61 (24.5) 28 (45.9) 0.463 (0.255–0.839) 0.011
 Yes 188 (75.5) 53 (28.2)
Household member’s hospitalization in the past 1 year
 NoR 224 (90) 60 (26.8) 14.35 (4.732–43.516) 0.000
 Yes 25 (10) 21 (84.0)
Presence of percutaneous device in the past 1 year
 NoR 189 (75.9) 33 (17.5) 18.91 (9.061–39.46) 0.000
 Yes 60 (24.1) 48 (80.0)
Oral antibiotic usage in the past 3 months
 NoR 181 (72.7) 50 (27.6) 2.195 (1.232–3.912) 0.08
 Yes 68 (27.3) 31 (45.6)
Current use of trimethoprim-sulfamethoxazole
 NoR 161 (64.7) 24 (27.3) 1.462 (0.827–2.583) 0.192
 Yes 88 (35.3) 57 (35.4)
Most recent CD4 count
 <200R 37 (14.9) 21 (56.8) 1.00 0.004
 200–500 109 (43.8) 33 (30.3) 0.331 (0.153–0.713) 0.005
 >500 103 (41.4) 27 (26.2) 0.271 (0.123–0.593) 0.001
  1. The percent (%) of S. aureus colonization is the proportion of each category
  2. R reference category