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The relation between pathological worrying and fatigue in a working population
H Andrea1, A J H M Beurskens, Ij Kant
1Department of General Practice, Maastricht University, Maastricht, The Netherlands. helene.andrea@deviersprong.nl
Objective:
This study aimed to explore cross-sectional and longitudinal associations between pathological worry and fatigue in a working population.
Methods:
In employees with very low or very high fatigue levels, psychometrics of the Penn State Worry Questionnaire (PSWQ; measuring pathological worry) and the Checklist Individual Strength (CIS; measuring fatigue) were examined and their cross-sectional and longitudinal associations were explored.
Results:
Pathological worry and fatigue can be measured as different constructs. However, pathological worry and fatigue were also associated on a cross-sectional level. Pathological worry predicted fatigue level 10 months later, but this association disappeared after adjustment for the cross-sectional association between pathological worry and fatigue.
Conclusion:
Although they can be measured as different constructs, pathological worry and fatigue seem to be associated. When studying longitudinal relations between pathological worry and fatigue, their cross-sectional association should be taken into account. Pathological worry might not be a risk factor for fatigue per se, but might act more like a mediating factor.
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