Table 1 Prevalence of S. aureus and MRSA in farm workers according to breeding type, animal contact and age
Variable | Category | No. of farms | No. of sampled workers | S. aureus-positive | MRSA-positive | ||
|---|---|---|---|---|---|---|---|
No. (%) | P-value | No. (%) | P-value | ||||
Breeding type | Intensive | 25 | 70 | 41 (58.6) | NS | 19 (27.1) | 0.01 |
Non-intensive | 7 | 18 | 8 (44.4) | 0 (0) | |||
Total | 32 | 88 | 49 (55.7) | Â | 19 (21.6) | Â | |
Direct contact with swine | Yes | – | 73 | 48 (65.8) | <0.0001 | 19 (26.0) | 0.03 |
No | – | 15 | 1 (6.7) | 0 (0) | |||
Total | Â | 88 | 49 (55.7) | Â | 19 (21.6) | Â | |
Age | < 50 | – | 56 | 33 (58.9) | NS | 17 (30.4) | 0.01 |
≥50 | – | 32 | 16 (50.0) | 2 (6.25) | |||
Total | – | 88 | 49 (55.7) |  | 19 (21.6) |  | |