| All isolates, No. (%) | MRSA, No. (%) | Non-MRSA, No. (%) | Unadjusted OR (95% CI) | Adjusted OR (95% CI)* |
---|---|---|---|---|---|
 | (N = 529) | (N = 115) | (N = 414) |  |  |
Age < 65 years | 432 (82) | 104 (90) | 328 (79) | 2.47 (1.3-4.8) | 2.25 (1.0-4.9), P = 0.002 |
Male sex | 296 (56) | 67 (58) | 229 (55) | 1.12 (0.7-1.7) | - |
Itching†| 92 (17) | 29 (25) | 63 (15) | 1.88 (1.1-3.1) | - |
Trauma†| 167 (32) | 24 (21) | 143 (35) | 0.50 (0.3-0.8) | - |
Surgery†| 37 (7) | 5 (4) | 32 (8) | 0.54 (0.2-1.4) | - |
Insect bite | 75 (14) | 33 (29) | 42 (10) | 3.56 (2.1-6.0) | 4.18 (2.4-7.4), P < 0.001 |
Prior MRSA | 26 (5) | 23 (20) | 3 (1) | 34.3 (10.1-116.5) | 41.05 (11.4-147.3), P < 0.001 |
Contact MRSA‡ | 22 (4) | 17 (15) | 5 (1) | 14.18 (5.1-39.4) | 12.83 (4.2-39.2), P < 0.001 |
Allergic rhinitis | 79 (15) | 19 (17) | 60 (15) | 1.17 (0.7-2.0) | - |
Eczema | 48 (9) | 9 (8) | 39 (9) | 0.82 (0.4-1.7) | - |
Diabetes | 40 (8) | 10 (9) | 30 (7) | 1.22 (0.6-2.6) | - |
Current antibiotic§ | 112 (21) | 31 (27) | 81 (20) | 1.52 (0.9-2.4) | 2.21 (1.3-3.8), P = 0.05 |
Hospitalization¶ | 41 (8) | 9 (8) | 32 (8) | 1.01 (0.5-2.2) | - |