Abstract
To evaluate the reliability of a self-assessment tool as a surrogate means for estimating phase of sexual maturation in children and adolescents with diabetes mellitus. Children and adolescents between 8 and 16 years of age with the diagnosis of type 1 or type 2 diabetes mellitus were recruited from the pediatric endocrinology clinic at a children's hospital. Participants were given a series of gender-appropriate drawings representing the 5 Tanner stages of sexual maturation for genital development in boys and breast and genital development in girls and asked to select the illustration that best represented their current maturity stage. The self-assessments were compared with physical examination findings by pediatric endocrinologists. Demographic and clinical data including age, race, hemoglobin A1c level, type of diabetes, and body mass index were also collected. Agreement rates between participants and physician assessment were compared. A level of agreement greater than 80% and a kappa coefficient greater than 0.61 were considered substantial. Eighty-seven children and adolescents completed the study. Agreement rates for girls were greater than 80%. Agreement rates for boys were 76%. All kappa coefficients for boys and girls were greater than 0.61, corresponding to good agreement. However, peripubertal participants overestimated their sexual maturity rating almost half the time. The role of age, metabolic control (as measured by hemoglobin A1c), race, type of diabetes, and body mass index did not influence a participant's ability to accurately assess sexual maturity. While useful in mid- to late-pubertal youth with diabetes, this self-assessment tool does not appear to be helpful in identifying the early stages of puberty.
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