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Table 1 Prevalence of S. aureus and MRSA in farm workers according to breeding type, animal contact and age

From: Unidirectional animal-to-human transmission of methicillin-resistant Staphylococcus aureus ST398 in pig farming; evidence from a surveillance study in southern Italy

VariableCategoryNo. of farmsNo. of sampled workersS. aureus-positiveMRSA-positive
No. (%)P-valueNo. (%)P-value
Breeding typeIntensive257041 (58.6)NS19 (27.1)0.01
Non-intensive7188 (44.4)0 (0)
Total328849 (55.7) 19 (21.6) 
Direct contact with swineYes7348 (65.8)<0.000119 (26.0)0.03
No151 (6.7)0 (0)
Total 8849 (55.7) 19 (21.6) 
Age< 505633 (58.9)NS17 (30.4)0.01
≥503216 (50.0)2 (6.25)
Total8849 (55.7) 19 (21.6) 
  1. NS Not significant