The relationship between employee motivation and psychological health at work: A chicken-and-egg situation?

Although employee motivation and psychological health at work have been found to be related, it remains unclear whether motivation precedes psychological health or vice versa, and to which extent different manifestations of mental health relate to different forms of motivation at work. Using the self-determination theory and the bidimensional theory of psychological health, this complete panel design study tested the directionality of the relationship between motivation at work and psychological health at work, with a dedicated focus on the specific predictive patterns observed between 4 types of motivation at work and positive and negative indicators of psychological health at work. Eight hundred and five Canadian workers completed questionnaires at 2 times, separated by a 6-month interval. Structural equation modelling analyses indicated that only identified regulation and psychological well-being at work have a fully reciprocal relationship. Only psychological well-being at work was positively associated with the 3 most self-determined types of motivation at work 6 months later, and only identified regulation predicted psychological health at work after 6 months. External regulation was unrelated to all indicators of psychological health at work over time. By integrating 2 theoretical frameworks, this study clarified the relationships between psychological health at work and motivation at work over time.