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. 2021 Mar 31;47(3):171–180. doi: 10.5271/sjweh.3939

Figure 1.

Figure 1

Precarious employment score over time, 1988-2016.a, b, c [CI=confidence interval; HS=high school; NC=north central; NE=north east; PES=precarious employment score.]

a We estimated the PES using a GEE model and the categorical indicators of time periods. We then predicted the average PES at each time period with their 95%CI.

b Estimates are adjusted to age 30 years.

c Low wage is defined as below the state-year median, high wage is defined as above the state-year median.