OBJECTIVE: The aim of this study was to present the psychometric properties of a new tool for evaluating affective response to blood glucose monitoring (BGM) in youths with type 1 diabetes and their parents. RESEARCH DESIGN AND METHODS: Study participants included 153 youths with type 1 diabetes and their parents. Each youth and parent completed the Blood Glucose Monitoring Communication (BGMC) questionnaire, Diabetes Family Conflict Scale, and Pediatric Quality of Life Inventory. Statistical analyses evaluated the psychometric properties of the BGMC questionnaires and their association with glycemic outcomes. RESULTS: Youth and parent BGMC questionnaires had acceptable internal consistency (youth, alpha = 0.77; parent, alpha = 0.82) and 1-year test-retest reliability (youth, r = 0.60; parent, r = 0.80). Higher BGMC questionnaire scores (indicating more negative affect) showed a strong association with higher levels of diabetes-specific family conflict (youth, r = 0.33; parent, r = 0.44) and poorer health-related psychosocial quality of life (youth, r = -0.50; parent, r = -0.42). Higher BGMC questionnaire scores were also associated with poorer glycemic control (youth, r = 0.28; parent, r = 0.20), even when the effects of diabetes-specific family conflict and psychosocial quality of life were controlled. Youths with BGMC questionnaire scores in the upper quartile had A1c values 1 percentage point higher (9.1%) than youths with scores in the lowest quartile (8.0%). CONCLUSIONS: The BGMC questionnaires have strong psychometric properties and are convenient measures of affect specific to BGM. Further, BGM affect is associated with glycemic outcomes and may provide a unique contribution to factors associated with glycemic control in youths.
OBJECTIVE: The aim of this study was to present the psychometric properties of a new tool for evaluating affective response to blood glucose monitoring (BGM) in youths with type 1 diabetes and their parents. RESEARCH DESIGN AND METHODS: Study participants included 153 youths with type 1 diabetes and their parents. Each youth and parent completed the Blood Glucose Monitoring Communication (BGMC) questionnaire, Diabetes Family Conflict Scale, and Pediatric Quality of Life Inventory. Statistical analyses evaluated the psychometric properties of the BGMC questionnaires and their association with glycemic outcomes. RESULTS: Youth and parent BGMC questionnaires had acceptable internal consistency (youth, alpha = 0.77; parent, alpha = 0.82) and 1-year test-retest reliability (youth, r = 0.60; parent, r = 0.80). Higher BGMC questionnaire scores (indicating more negative affect) showed a strong association with higher levels of diabetes-specific family conflict (youth, r = 0.33; parent, r = 0.44) and poorer health-related psychosocial quality of life (youth, r = -0.50; parent, r = -0.42). Higher BGMC questionnaire scores were also associated with poorer glycemic control (youth, r = 0.28; parent, r = 0.20), even when the effects of diabetes-specific family conflict and psychosocial quality of life were controlled. Youths with BGMC questionnaire scores in the upper quartile had A1c values 1 percentage point higher (9.1%) than youths with scores in the lowest quartile (8.0%). CONCLUSIONS: The BGMC questionnaires have strong psychometric properties and are convenient measures of affect specific to BGM. Further, BGM affect is associated with glycemic outcomes and may provide a unique contribution to factors associated with glycemic control in youths.
Authors: J T Markowitz; L K Volkening; D A Butler; J Antisdel-Lomaglio; B J Anderson; L M B Laffel Journal: Diabet Med Date: 2012-04 Impact factor: 4.359
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Authors: Jessica T Markowitz; Deborah A Butler; Lisa K Volkening; Jeanne E Antisdel; Barbara J Anderson; Lori M B Laffel Journal: Diabetes Care Date: 2009-12-23 Impact factor: 17.152