The health worker group-time interactions, which compared time trends between health worker groups, were the main effects.
The pilot study indicated that the previously selected worker groups (road construction workers and grave diggers) were not suitable for the main study, due to non-measurable work outputs.
The main worker classifications are: E-1 Treaty Traders.
PAHs are considered to be the main carcinogenic exposures in this worker group.
They facilitated conversations between various workers' groups.
The other two organizations are workers groups.
Significant differences were found across workers' groups.
The systemic approach considers the potential social impacts on local communities, workers, and consumers as the main three groups of the stakeholders.
The survey was targeted at social workers and psychiatric nurses, the main professional groups in community mental health services in England.
Mr. Raynor is president of Workers United, the nation's main apparel workers' union, a grouping of more than 100,000 apparel, laundry and warehouse workers that affiliated two years ago with the S.E.I.U., where he serves on the board as an executive vice president.
