Table 1.
Epidemiological characteristics of pig farm workers included in the study
| MRSA ST398 | Statistical test and p value* | |||
|---|---|---|---|---|
| All | Positive | Negative | ||
| Pig farm workers [n, (%)] | 140 | 81 (57.9) | 59 (42.1) | na |
| Age in years [mean, (SD)] | 44.9 (13.8) | 44.4 (13.2) | 45.5 (14.7) | p = 0.631** |
| Men [n, (%)] | 132 (94.3) | 75(92.6) | 57 (96.6) | p = 0.467*** |
| Years of work [mean, (SD)] | 17.5(12.6) | 17.8 (12.7) | 17.1(12.5) | p = 0.763** |
| Medical History[n, (%)] | 9 (6) | 5 (6.2) | 4 (6.8) | p = 1.000*** |
| Antibiotics treatment last year % | 0 | 0 | 0 | na |
| Hospital admission last year % | 0 | 0 | 0 | na |
| N pigs | 1200 (700–3000) | 1500 (1050–4300) | 1000 (300–1300) | p < 0.001**** |
| Fattening farm workers | 69 (49.3) | 38 (46.9) | 31(52.5) | p = 0.511***** |
| farrow-to-finish farm workers | 71(51.7) | 43(53.1) | 28(47.5) | |
na not applicable
*Level of significance is set at p < 0.05
**Student t
***Fisher’s exact test
****Mann-Whitney U
*****Pearson’s chi-square