Table 7.

Heterogeneity in the impact of AI on the mental health of manufacturing workers: pre-1980's vs. post-1980's.

Variables	pre-1980's	post-1980's
	Model 12	Model 13
AI	−2.070* (1.079)	−1.414 (1.076)
Controlled variable	Controlled	Controlled
Constant	14.019** (5.873)	30.419*** (7.385)
Observations	287	263

^*p < 0.1,

^**p < 0.05,

^***p < 0.01.

The control variables are the same as in Model 1. The focus is on skill heterogeneity in the impact of AI on the mental health of manufacturing workers. Regression results for control variables are not presented in detail for brevity.