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Table 1 Prevalence of Staphylococcus aureus, MRSA, and MSSA among janitors of Mekelle University, 2016

From: Prevalence and antimicrobial susceptibility patterns of methicillin-resistant Staphylococcus aureus among janitors of Mekelle University, North Ethiopia

  Study subjects
N = 384, N (%)
Total S. aureus isolates
N (%), 69 (17.97%)
MRSAa, N = 24 MSSAb, n = 45 P value
N (%) N (%)
Age 0.708
 18–24 327 (85.2) 59 (18) 20 (33.9) 39 (66.1)  
 > 24 57 (14.8) 10 (17.5) 4 (40) 6 (60)  
Sex
 Female 384 (100) 69 24 45
 Male 0 (0)  
Marital status 0.166
 Single 314 (81.8) 55 (17.5) 22 (40) 33 (60)  
 Married 52 (13.5) 11 (21.2) 2 (18.2) 9 (81.8)  
 Divorced 18 (5.7) 3 (16.7) 0 3 (100)  
Educational status 0.038
 Unable to read and write 25 (6.5) 8 (32) 5 (62.5) 3 (37.5)  
 Junior secondary school 84 (21.9) 17 (20.2) 8 (47.1) 9 (52.9)  
 High school 204 (53.4) 33 (16.2) 6 (18.2) 27 (81.8)  
 Diploma 71 (18.5) 11 (15.5) 5 (45.5) 6 (54.5)  
Live with children 0.054
 Yes 202 (52.6) 28 (13.9) 6 (21.4) 22 (78.6)  
 No 182 (47.4) 41 (22.5) 18 (43.9) 23 (56.1)  
Service as a janitor in year 0.023
 < 1 242 (63) 43 (17.8) 17 (39.5) 26 (60.5)  
 1–2 109 (28.4) 18 (16.5) 2 (11.1) 16 (88.9)  
 > 2 33 (8.6) 8 (24.2) 5 (62.5) 3 (37.5)  
Cleaning area 0.286
 Medical 103 (26.8) 26 (25.2) 10 (38.5) 16 (61.5)  
 None medical 281 (73.2) 43 (15.3) 14 (32.6) 29 (67.4)  
Allergic rhinitis disease 0.168
 Yes 18 (4.7) 1 (5.6) 1 (100) 0  
 No 366 (95.3) 68 (18.6) 23 (33.8) 45 (66.2)  
Respiratory infection (within last 3 months) 0.168
 Yes 11 (2.9) 1 (9.1) 1 (100) 0  
 No 373 (97.1) 68 (18.2) 23 (33.8) 45 (66.2)  
Skin infection (within last 3 months) 0.005
 Yes 11 (2.9) 4 (36.4) 4 (100) 0  
 No 373 (97.1) 65 (17.4) 20 (30.8) 45 (69.2)  
Wound present (within last 3 months) 0.938
 Yes 20 (5.2) 6 (30) 2 (33.3) 4 (66.7)  
 No 364 (94.8) 63 (17.3) 22 (34.9) 41 (65.1)  
Hospital stay and hospitalization (within 3 months) 0.676
 Yes 137 (35.7) 35 (25.5) 13 (37.1) 22 (62.9)  
 No 247 (64.3) 34 (13.8) 11 (32.4) 23 (67.6)  
Exposure to waste and fluids 0.618
 Yes 103 (26.8) 26 (25.2) 10 (38.5) 16 (61.5)  
 No 281 (73.2) 43 (15.3) 14 (32.6) 29 (67.4)  
  1. N total isolates of MRSA, n total number of MSSA isolates
  2. aMethicillin resistance S. aureus
  3. bMethicillin sensitive S. aureus