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The Development and Initial Validation of Items to Assess Parent Fear of Nighttime Hypoglycemia
Alexandra D Monzon1,2, Christopher C Cushing2, Ryan McDonough3
1Department of Biomedical Research, Center for Healthcare Delivery Science -Florida, Nemours Children's Health , Orlando, FL, USA.
Insights
Parents
Area of Science:
- Pediatric Endocrinology
- Psychometrics
- Diabetes Management
Background:
- Parental fear of nighttime hypoglycemia in youth with type 1 diabetes (T1D) is a significant concern.
- Existing tools like the Hypoglycemia Fear Survey for Parents (HFS-P) do not adequately address nighttime fears.
- There is a need for a validated instrument to measure this specific parental anxiety.
Purpose of the Study:
- To develop and validate new items for the Hypoglycemia Fear Survey for Parents to specifically assess fear of nighttime hypoglycemia.
- To evaluate the psychometric properties of the revised survey, named the Hypoglycemia Fear Survey for Parents including Nighttime Fear (HFS-P-NF).
Main Methods:
- Phase 1: Item generation involving pediatric diabetes providers and parents/caregivers of youth with T1D.
- Phase 2: Pilot testing of generated items with parents/caregivers.
- Phase 3: Confirmatory factor analysis, reliability, and content validity testing with a larger sample of parents/caregivers.
Main Results:
- A four-factor model (high glucose behaviors, helplessness, negative social consequences, nighttime worries) emerged as the best fit for the HFS-P-NF.
- The revised HFS-P-NF demonstrated strong internal consistency (α = 0.96).
- New items showed strong to moderate validity when compared to criterion and content measures.
Conclusions:
- The study provides initial evidence for the validity and reliability of the HFS-P-NF.
- The HFS-P-NF broadens the understanding of parental fear related to nighttime hypoglycemia in T1D.
- Clinicians can use the HFS-P-NF for more comprehensive screening of parental nighttime hypoglycemia fears.
Objective:
Parents of youth with type 1 diabetes (T1D) are fearful their children will experience nighttime hypoglycemia. Currently, the Hypoglycemia Fear Survey for Parents (HFS-P) lacks items that specifically assess parents' nighttime fear. This study aimed to fill this gap by rigorously identifying new items to specifically assess parent fear of nighttime hypoglycemia and then examine the psychometric properties of the revised Hypoglycemia Fear Survey for Parents including Nighttime Fear (HFS-P-NF).
Methods:
For Phase 1, we recruited 10 pediatric diabetes providers and 15 parents/caregivers of youth with T1D to generate items related to fear of nighttime hypoglycemia. For Phase 2, we recruited an additional 20 parents/caregivers to pilot-test the newly generated items. For Phase 3, we recruited another 165 parents/caregivers to evaluate structural validity via confirmatory factor analyses, reliability, and content validity of the revised HFS-P-NF.
Results:
In Phase 1, we generated 54 items. In Phase 2, we removed 34 items due to violations of distributional normality and nonsignificant correlations. In Phase 3, a four-factor model reflecting behaviors maintaining high glucose, helplessness, negative social consequences, and nighttime worries was the best fitting model for the HFS-P-NF. The new items demonstrated strong internal consistency (α = 0.96) and strong to moderate relationships with criterion and content validity measures.
Conclusion:
The current study provides initial evidence of validity and reliability for new items on the HFS-P-NF that broadened the conceptualization of parent fear of nighttime hypoglycemia. These findings are important to clinicians who may consider screening for parent fear of nighttime hypoglycemia more comprehensively.
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