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Continuous Glucose Monitoring in Young Adults With Type 1 Diabetes: Impact on Hypoglycemia Confidence and Fear

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posted on 18.01.2022, 16:11 authored by Stephanie L. Teeasdale, Alison Griffin, Helen L Barrett, Clare Coutts, Margaret Vitanza, Alan Headey
Background. Fear of hypoglycemia in people with type 1 diabetes has a detrimental effect on glycemic control and quality of life. The association between continuous glucose monitoring (CGM) and hypoglycemia confidence and fear has not previously been assessed in the young adult population.

Methods. This was a prospective cohort study using questionnaires to assess the impact of CGM on hypoglycemia confidence (using the Hypoglycemia Confidence Scale [HCS] and hypoglycemia fear (using the Hypoglycemia Fear Survey II [HFS]) in 40 young adults with a preexisting diagnosis of type 1 diabetes.

Results. Scores on the HCS were greater at baseline for those with a longer duration of diabetes. Participants with higher general anxiety scores on the Generalized Anxiety Disorder 7-item scale had higher hypoglycemia fear at baseline (total score and worry component, but not behavior component of the HFS). Between baseline and follow-up, HCS scores increased on average by 0.2 (95% CI 0.1–0.4, P = 0.01) on a scale of 1–4. HFS scores decreased by 1.8 (95% CI −3.0 to −0.5, P = 0.006) on a scale of 0–24 for the worry component and by 2.5 (95% CI −4.4 to −0.6, P = 0.01) on a scale of 0–44 for total (worry + behavior components).

At follow up, 83% of participants planned to continue using CGM all or most of the time. There was a very high self-reported effect of CGM on life with diabetes (median 8.0 (interquartile range 6.5–10.0), where 10 indicated a very big difference).

Conclusion. Hypoglycemia confidence and fear improve with CGM use in young adults.