Table 5. Correlation coefficients of WES-3 with KWCS items.

Measures		Vigor	Dedication	Absorption	Total
Work engagement
	Vigor	1			0.83
	Dedication	0.60	1		0.85
	Absorption	0.47	0.50	1	0.80
Burnout
	Exhaustion	0.04	0.02	0.07	0.05
	Cynicism	−0.01a	−0.05	−0.04	−0.04
	Reduced professional efficacy	−0.51	−0.51	−0.44	−0.59
Psychological well-being		0.42	0.37	0.27	0.42
Job demands
	Work-family conflict	−0.06	−0.07	−0.08	−0.09
	Work intensity	−0.19	−0.20	−0.17	−0.23
	Emotional demands	−0.02	−0.03	−0.03	−0.03
Job resources
	Job control	0.02	0.06	0.07	0.06
	Supervisor support	0.36	0.38	0.34	0.31
	Coworker support	0.24	0.26	0.22	0.29
	Opportunities for development (quality)	0.21	0.19	0.13	0.22
	Opportunities for development (quantity)	0.05	0.09	0.08	0.09
	Organizational trust	0.36	0.38	0.33	0.44
	Role clarity	0.27	0.33	0.27	0.35
Job satisfaction		0.28	0.26	0.20	0.30

Only 30,125 answers from employees with > 1 year on the job were used for “Supervisor support” and “Opportunities for development (quantity).”

WES-3: 3-item version of the Work Engagement Scale; KWCS: Korean Working Conditions Survey.

^ap < 0.05. All other correlations, p < 0.01.