Page 36 - 臺大管理論叢第32卷第2期

Heavy Work Investment and Job Burnout: The Moderating Role of Health Promotion and Psychological
Capital

2. Methods

We collect two waves of survey data from full-time workers in Eastern and Northern
Taiwan. At Time 1, participants provide self-ratings of workaholism and work engagement.

They also answer questions about control variables (i.e., gender, position, working hours
per week, and industry). At Time 2, approximately one month after the first survey, the
same participants provide self-ratings of health promotion, psychological capital, and job
burnout.

Through personal referrals, telephone contacts, and in-person visits, we gather totally
623 participants from different types of organizations and industries. We receive 530 valid
questionnaires for the first survey, with a response rate of 85.1%. We then distribute the
second wave of questionnaires to these 530 participants. Among them, 313 participants

complete the second survey. Finally, we obtain a valid sample comprising 309 participants,
with a response rate of 49.6%.
The participants of this study are predominantly females (57.3%). On average,
they are 38 years old (SD = 10.29) and have been working for 5.0 years (SD = 7.09). In

terms of the industry distribution, most participants work in the service industry (77.7%),
followed by government agencies (12%) and the manufacturing industry (10.4%). In terms
of the position, 39.8% of the participants are in managerial positions.

3. Results

Integrating the effort-recovery theory (Meijman and Mulder, 1998) and the
conservation of resources theory (Hobfoll, 1989, 2002), the present study investigates

the direct effects of workaholism and work engagement on job burnout and examines
the moderating effects of health promotion and psychological capital on the relationship
between heavy work investment and job burnout. The results indicate that workaholism
is positively related to job burnout, and work engagement is negatively related to job
burnout. In addition, health promotion attenuates the positive effect of workaholism on

job burnout; psychological capital strengthens the negative effect of workaholism on job
burnout.

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