M. Van Der Hulst et S. Geurts, Associations between overtime and psychological health in high and low reward jobs, WORK STRESS, 15(3), 2001, pp. 227-240
This study focused on the relationship between overtime and psychological h
ealth in high and low reward jobs and in jobs with high and low external pr
essure to work overtime. Data were collected Cor 535 full-time employees of
the Dutch Postal Service. In general, overtime was associated with negativ
e work-home interference and negative home-work interference. Split-sample
logistic regression analyses showed that employees reporting low rewards ha
d elevated risks of burnout, negative work-home interference and slow recov
ery. In addition, the combination of overtime and low rewards was associate
d with negative home-work interference. A second analysis was conducted sep
arately for employees who reported overtime in order to study the effects o
f external pressure to work overtime. In this Subgroup, low rewards were as
sociated with elevated risks of health complaints. emotional exhaustion and
negative home-work interference. Moreover employees who reported overtime
and a high pressure to work overtime in combination with low rewards had el
evated risks of poor recovery, cynicism, and negative work-home interferenc
e. The results suggest that even a limited number Of hours Of involuntary o
vertime is associated with adverse mental health. but only in low reward si
tuations.