Risk factors MRSA carriage
Yes (%) No (%) P AOR(95%CI)
Child factors
Recurrent AOM Yes 4(23.5) 15(5.3) 0.024 4.906(1.237-19.447)
No 13(76.5) 268(94.7) 1(ref) 1(ref)
Use of antibiotic Yes 15(88.2) 144(50.9) 0.042 5.063(1.062-24.145)
No 2(11.8) 139(49.1) 1(ref) 1(ref)
Hospitalization Yes 5(29.4) 25(8.8) 0.241 2.150(0.598-7.724)
No 12(70.6) 258(91.2) 1(ref) 1(ref)
Sex Male 12(70.6) 59(55.7) 0.237 1.991(0.635-6.236)
Female 5(29.4) 47(44.3) 1(ref) 1(ref)
Household factor
Use of antibiotic by a child of the household Yes 10(58.8) 78(27.6) 0.034 3.275(1.091-9.829)
No 7(41.2) 205(72.4) 1(ref) 1(ref)
Hospitalization of family member Yes 6(35.3) 55(19.4) 0.409 1.647(0.504-5.387)
No 11(64.7) 228(80.6) 1(ref) 1(ref)
Note: - AOM: Acute Otitis Media; ref: Reference; AOR: Adjusted Odds Ratio; CI: Confidence Interval
Table 3: Multiple logistic regression analysis of risk factors for MRSA nasal carriage among primary school children, Bahir Dar town, 2013.