Few studies of personality dimensions for HA have been made. One study used the questionnaire Personality Assessment Schedule (PAS) and found for hypochondriacal PD a high degree of the personality traits: hypochondriasis, anxiousness, consciousness and dependence [37]. Other personality traits for HA that have been reported are high degree of neuroticism, narcissism and avoidance and histrionic and borderline traits [37,43,44].