Table 5.
Spearman correlation coefficients for the strength of association between the number of employees on a dairy, OHSMS programming level, and injury & illness rates.
| Sample Correlations for workforce size | ||
|---|---|---|
|
|
||
| q a | P-value | |
|
| ||
| TRC Rate, Paired (n = 45) | 0.18 | 0.25 |
| DART Rate, Paired (n = 45) | 0.17 | 0.26 |
| TRC Rate, Unpaired (n = 46) | 0.12 | 0.43 |
| DART Rate, Unpaired (n = 46) | 0.06 | 0.66 |
| Revised OSHA Form 33 Scores, Paired (n = 45) | 0.28 | 0.07 |
| Revised OSHA Form 33 Scores, Unpaired (n = 166) | 0.29 | <0.001 |
OSHA – U.S. Occupational Safety and Health Administration. OHSMS – Occupational Health and Safety Management System. TRC – Total Recordable Case Rate.
DART – Days, Away, Restricted, or Transferred Rate.
a
Spearman’s rank-order correlation coefficient.