3.1. Sample characteristics
One-hundred sixty-seven (167) OSHA consultation records
were provided by OSHA for the dairy cattle and milk production
industry (NAICS 112120). Forty-five of 167 (27 percent) had both
Revised OSHA Form 33 scores and TRC and DART rates that could
be paired. The OSHA records for each observation also included
the state where the dairy was located, the number of workers
employed by the dairy, and a consultant code. Only one of the
167 records had two sets of Revised OSHA Form 33 scores, indicating
a potential follow-up visit to reevaluate the client’s OHSMS.
However, their scores were identical so only one set was included
in the analysis. This indicates that the dairy records included in this
study represented the initial OHSMS evaluation for each dairy, and
that none had a follow-up assessment that would have measured