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The current study aimed to investigate the mediating role of metacognitions, intolerance of uncertainty, and emotion regulation in the relationship between fear of COVID-19 (FC-19) and health anxiety, among families with COVID-19 infected. Participants were 541 individuals from family members of patients with COVID-19 (F = 52.3%, Mean age = 41.3±13.2 years). Data were collected with a packet including socio-demographic and risk factors, the Fear of COVID-19 Scale, the Short Health Anxiety Inventory, the Metacognitions Questionnaire-30, the Intolerance of Uncertainty Scale-12, and the Emotion Regulation Questionnaire. Structural equation modeling analyses revealed a full mediation of metacognitions (i.e., positive beliefs about worry, negative beliefs about thoughts concerning uncontrollability and danger, cognitive confidence, and beliefs about the need to control thoughts), intolerance of uncertainty, and expressive suppression in the relation between FC-19 and health anxiety. Moreover, the strongest indirect links were found between FC-19 and health anxiety through negative beliefs about thoughts concerning uncontrollability and danger and intolerance of uncertainty. These associations were independent of gender and risk status. The final model accounted for 71% of the variance of health anxiety. These findings suggest that particularly metacognitions, intolerance of uncertainty and expressive suppression play a full mediational role in the relation between FC-19 and health anxiety.
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