Figure 1.
Predicted trends of changes in stress dynamics among oil rig workers in Poland, surveyed in 1993–2014 on oil rigs
a – intercept; b – slope; c – fluctuation a; d – fluctuation b. Stress – level of subjective stress.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.