Comparison of nasal methicillin-resistant <i>Staphylococcus aureus</i> carriage among 536 pigs and 52 related workers in 22 pig farms in Taiwan by different cultivation scales.

*The carriage rate for pigs in large-scale herds (raising ≥10000 pigs) was significantly higher than that in small-scale ones (34.3% vs. 7.0%, p<.001, OR: 6.88 [95% CI 4.13–11.45]). #The carriage rate for humans in large-scale herds was significantly higher than that in small-scale ones (36.8% vs. 9.1%, p = 0.014, OR: 5.83 [95%CI 1.29–26.38]).