. Author manuscript; available in PMC: 2022 Mar 1.

Published in final edited form as: Epidemiology. 2021 Mar 1;32(2):303–309. doi: 10.1097/EDE.0000000000001304

Table 2.

Results from inverse probability-weighted marginal structural models for the effect of exploitation and overwork hours on psychological distress and mental illness

	Psychological distress^a		Mental illness^b
Exposure	beta	95% CI	OR	95% CI
Exploitation, normal distribution	1.6	(0.71, 2.5)	3.0	(15, 6.1)
Exploitation, quantile binning	1.4	(0.43, 2.4)	2.7	(14, 5.5)
Exploitation, normal distribution, hourly only^c	3.6	(14, 8.8)	2.4	(13, 4.6)
Exploitation, normal distribution, salary only^c	5.8	(18, 19)	2.7	(12, 6.2)
Overwork hours per week, normal distribution^c	1.0	(0.52, 1.6)	2.0	(14, 2.9)

Note. OR: Odds ratio. CI: confidence interval.

^a.

K6 scale, unit change

^b.

5 ≤ K6 < 13, yes/no

^c.

Sensitivity analysis