did not reach statistical significancep = 0.1643
The comparison for the earliest (2002–06) cohort versus the most recent did not reach statistical significance (HR 1.514, p = 0.1643).
The comparison for the earliest (2002–06) cohort versus the most recent did not reach statistical significance (HR 1.514, p = 0.1643).
The survival analysis curve showed a trend towards increasing exit from urban work (or increasing entry into rural work) (Fig. 1 ).