Table 4.

Burnout of non-shift workers and regularly and irregularly rotating shift workers after controlling for age, gender, income, industry and work hours per week, depression, poor sleep, and the workplace environment.

	Analysis 1	Analysis 2	Analysis 3	Analysis 4
MBI-GS
Total	F = 32.87*	F = 16.09*	F = 16.98*	F = 2.81
Exhaustion	F = 66.33*	F = 50.46*	F = 47.28*	F = 28.31*
Cynicism	F = 4.46*	F = 1.05	F = 1.05	F = 8.81*
Professional efficacy	F = 15.08*	F = 4.95*	F = 6.48*	F = 0.34

^*p < 0.01. CES-D, Center for Epidemiological Studies Depression Scale; PSQI, Pittsburgh Sleep Quality Index; MBI-GS, Maslach Burnout Inventory—General Survey; KOSS, Korean Occupational Stress Scale; MBI-GS, Maslach Burnout Inventory—General Survey.

Analysis 1: After controlling for age, gender, income, industry, and work hours per week.

Analysis 2: After controlling for age, gender, income, industry, work hours per week, and the CES-D score.

Analysis 3: After controlling for age, gender, income, industry, work hours per week, and the PSQI score.

Analysis 4: After controlling for age, gender, income, industry, work hours per week, and the KOSS score.