Table 1.
Potential risk factors for nasal carriage with Staphylococcus aureus and methicillin-resistant S. aureus (mecA-positive) isolates among healthcare workers and students attending the University Hospital of Londrina from December 2017 to May 2018.
| Variable | Staphylococcus aureus | mecA | |||||
|---|---|---|---|---|---|---|---|
| Negative n (%) | Positive n (%) | p value | Negative n (%) | Positive n (%) | p value | ||
| Gender | Male | 40 (21.6) | 48 (34.5) | 0.010 | 32 (32.3) | 16 (40.0) | 0.389 |
| Female | 145 (78.4) | 91 (65.5) | 67 (67.7) | 24 (60.0) | |||
| Age (years) | 31.2 (11.9) | 28.8 (10.8) | 0.054 | 28.6 (10.2) | 29.3 (9.5) | 0.719 | |
| Antibiotic use | No | 151 (81.6) | 115 (82.7) | 0.796 | 79 (79.8) | 36 (90.0) | 0.150 |
| Yes | 34 (18.4) | 24 (17.3) | 20 (20.2) | 4 (10.0) | |||
| Hospitalization | No | 176 (95.1) | 137 (98.6) | 0.092 | 97 (98.0) | 40 (100) | 0.365 |
| Yes | 9 (4.9) | 2 (1.4) | 2 (2.0) | 0 (0) | |||
| Occupation | Student | 118 (63.8) | 103 (74.1) | 0.048 | 76 (76.8) | 27 (67.5) | 0.259 |
| Professional | 67 (36.2) | 36 (25.9) | 23 (23.2) | 13 (32.5) | |||
| Student | Nursing | 24 (20.3) | 14 (13.6) | 0.596 | 11 (14.5) | 3 (11.1) | 0.698 |
| Pharmacy | 19 (16.1) | 20 (19.4) | 17 (22.4) | 3 (11.1) | |||
| Physiotherapy | 10 (8.5) | 6 (5.8) | 4 (5.3) | 2 (7.4) | |||
| Medicine | 17 (14.4) | 18 (17.5) | 13 (17.1) | 5 (18.5) | |||
| Postgraduate | 48 (40.7) | 45 (43.7) | 31 (40.8) | 14 (51.9) | |||
| Patient contact | No | 51 (27.6) | 28 (20.1) | 0.124 | 23 (23.2) | 5 (12.5) | 0.153 |
| Yes | 134 (72.4) | 111 (79.9) | 76 (76.8) | 35 (87.5) | |||
The continuous variables were expressed as mean and standard deviation (SD) and analyzed with Student's t-test; the categorical variables were expressed as number (n) and percentage and analyzed with χ2 or Fisher exact test.