Personality traits of alexithymia and perfectionism in impaired awareness of hypoglycemia in adults with type 1 diabetes – an exploratory study
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Authors
Naito, Anna
Nwokolo, Munachiso
Smith, Emma L.
de Zoysa, Nicole
Garrett, Christopher
Choudhary, Pratik
Amiel, Stephanie A.
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2021
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Article
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OBJECTIVE: Severe hypoglycemia complicates insulin therapy for type 1 diabetes, with impaired awareness of hypoglycemia (IAH) being a major risk factor. We explored associations between the personality traits, alexithymia and perfectionism, and cognitive barriers to hypoglycemia avoidance described in IAH, and evaluated their prevalence in people with and without IAH. METHODS: Cross-sectional exploratory study. Ninety adults with type 1 diabetes, 54 hypoglycemia aware and 36 with IAH, completed validated questionnaires exploring alexithymia (Total Alexithymia Scale [TAS-20]) and perfectionism (Frost Multidimensional Perfectionism Scale [FMPS]); and cognitive barriers related to hypoglycemia avoidance (Attitudes to Awareness Questionnaire [A2A]. RESULTS: Alexithymia and perfectionism scores correlated positively with cognitive barriers associated with IAH. Specifically, alexthymia scores correlated with the 'Hyperglycaemia Avoidance Prioritised' factor (r = 0.265; p = .02, n = 77) and the 'Asymptomatic Hypoglycemia Normalised' factor (r = 0.252-0.255; p = .03, n = 77). Perfectionism scores correlated with the 'Hyperglycaemia Avoidance Prioritised' factor (r = 0.525; p < .001, n = 66). Overall, IAH participants were significantly more likely to score at the high end for alexithymia (17.6% vs. 1.9%, p = .008, n = 87) and at the extreme ends (high and low) for perfectionism (69.0% vs. 40.0%, χ CONCLUSION: These novel data showing associations between alexithymia and perfectionism scores and maladaptive health beliefs in IAH suggest the intriguing possibility that personality traits may contribute to the risk of IAH, perhaps through their influence on incentives to avoid hypoglycemia. If confirmed, measuring such traits may help tailor early adjunctive psychological intervention to reduce hypoglycemia burden for people with IAH.
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Journal of Psychosomatic Research
Volume
150