W J Heerman1,2,3, K A Wallston3,4, C Y Osborn2,3,5,6, A Bian3,7, D G Schlundt2,3,8, S D Barto3, R L Rothman2,3,5. 1. Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN, USA. 2. Vanderbilt Center for Diabetes Translation Research, Center for Diabetes and Translational Research, Vanderbilt University, Nashville, TN, USA. 3. Vanderbilt Center for Health Services Research, Nashville, TN, USA. 4. School of Nursing, Nashville, TN, USA. 5. Department of Biomedical Informatics and the Center for Health Behavior and Health Education, Nashville, TN, USA. 6. Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA. 7. Department of Biostatistics, Vanderbilt University Medical Center, Nashville, TN, USA. 8. Department of Psychology, Vanderbilt University, Nashville, TN, USA.
Abstract
AIMS: Food insecurity is the 'limited or uncertain availability of nutritionally adequate and safe foods'. Our objective was to examine the association between food insecurity, diabetes self-care and glycaemic control. METHODS: We conducted a cross-sectional analysis of baseline data from adult patients with Type 2 diabetes who were enrolled in a randomized trial evaluating a health literacy-focused diabetes interventionin safety net primary care clinics in middle Tennessee. Food insecurity was assessed with three items from the U.S. Household Food Security Survey. Diabetesself-care behaviours were assessed with the Summary of Diabetes Self-Care Activities Scale, Personal Diabetes Questionnaire and Adherence to Refills and Medication Scale. Glycaemic control was assessed with HbA1c . RESULTS: The sample consisted of 401 participants, 73% of whom reported some level of food insecurity. Food insecurity was significantly associated with self-care behaviours including less adherence to a general diet [Adjusted Odds Ratio (AOR) 0.9, P = 0.02], less physical activity (AOR 0.9, P = 0.04) and with a greater occurrence of medication non-adherence (AOR 1.2, P = 0.002) and calorie restriction (AOR 1.1, P = 0.02). Food insecurity was also associated with worse glycaemic control (adjusted β = 0.1, P = 0.03). None of the self-care behaviours were significantly associated with HbA1c , limiting the ability to test for self-care as a mechanism linking food insecurity to glycaemic control. CONCLUSIONS: There was a high rate of food insecurity in a sample of patients with Type 2 diabetes who were of low socio-economic status. Food insecurity was associated with less adherence to recommended self-care behaviours and worse glycaemic control.
RCT Entities:
AIMS: Food insecurity is the 'limited or uncertain availability of nutritionally adequate and safe foods'. Our objective was to examine the association between food insecurity, diabetes self-care and glycaemic control. METHODS: We conducted a cross-sectional analysis of baseline data from adult patients with Type 2 diabetes who were enrolled in a randomized trial evaluating a health literacy-focused diabetes intervention in safety net primary care clinics in middle Tennessee. Food insecurity was assessed with three items from the U.S. Household Food Security Survey. Diabetes self-care behaviours were assessed with the Summary of Diabetes Self-Care Activities Scale, Personal Diabetes Questionnaire and Adherence to Refills and Medication Scale. Glycaemic control was assessed with HbA1c . RESULTS: The sample consisted of 401 participants, 73% of whom reported some level of food insecurity. Food insecurity was significantly associated with self-care behaviours including less adherence to a general diet [Adjusted Odds Ratio (AOR) 0.9, P = 0.02], less physical activity (AOR 0.9, P = 0.04) and with a greater occurrence of medication non-adherence (AOR 1.2, P = 0.002) and calorie restriction (AOR 1.1, P = 0.02). Food insecurity was also associated with worse glycaemic control (adjusted β = 0.1, P = 0.03). None of the self-care behaviours were significantly associated with HbA1c , limiting the ability to test for self-care as a mechanism linking food insecurity to glycaemic control. CONCLUSIONS: There was a high rate of food insecurity in a sample of patients with Type 2 diabetes who were of low socio-economic status. Food insecurity was associated with less adherence to recommended self-care behaviours and worse glycaemic control.
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