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Background: Medical provider assessment of nonadherence is known to be inaccurate. Researchers have suggested using a multimethod assessment approach; however, no study has demonstrated how to integrate different measures to improve accuracy. This study aimed to determine if using additional measures improves the accurate identification of nonadherence beyond provider assessment alone.Methods: Eighty-seven adolescents and young adults (AYAs), age 11-19 years, with chronic kidney disease (CKD) [stage 1-5/end-stage renal disease (ESRD)] and prescribed antihypertensive medication, their caregivers, and 17 medical providers participated in the multisite study. Five adherence measures were obtained: provider report, AYA report, caregiver report, electronic medication monitoring (MEMS), and pharmacy refill data [medication possession ratio (MPR)]. Concordance was calculated using kappa statistic. Sensitivity, specificity, positive predictive power, and negative predictive power were calculated using MEMS as the criterion for measuring adherence.Results: There was poor to fair concordance (kappas = 0.12-0.54), with 35-61% of AYAs classified as nonadherent depending on the measure. While both providers and MEMS classified 35% of the AYAs as nonadherent, sensitivity (0.57) and specificity (0.77) demonstrated poor agreement between the two measures on identifying which AYAs were nonadherent. Combining provider report of nonadherence and MPR < 75% resulted in the highest sensitivity for identifying nonadherence (0.90) and negative predictive power (0.88).Conclusions: Nonadherence is prevalent in AYAs with CKD. Providers inaccurately identify nonadherence, leading to missed opportunities to intervene. Our study demonstrates the benefit to utilizing a multimethod approach to identify nonadherence in patients with chronic disease, an essential first step to reduce nonadherence. [ABSTRACT FROM AUTHOR]

Objective: Among adolescents and young adults (AYAs) with chronic illness, effective provider communication is essential for patient-centered care during a sensitive developmental period. However, communication in chronic illness care for AYAs is not well studied. Our objectives were to describe the provider communication skills in pediatric chronic kidney disease (CKD) care visits; and determine if communication skills differ by AYA characteristics.Methods: We adapted a global consultation rating system for pediatric subspecialty care using audiotaped clinic encounters of 18 pediatric nephrologists with 99 AYAs (age M(SD) = 14.9(2.6)) with CKD stages 1-5 and 96 caregivers. We hypothesized that provider communication skills would differ by AYA characteristics (age, gender, and race).Results: The strongest provider skills included initiating the session and developing rapport; lowest rated skills were asking patient's perspective and checking understanding. Communication scores did not consistently differ by AYA age or race, but were rated higher with female AYAs in several domains (ps<0.05).Conclusions: Pediatric providers generally had adequate or good communication scores with AYAs, but improvement in certain skills, particularly with male AYAs, may further support patient-centered care.Practice Implications: To achieve consistent, patient-centered communication with AYAs, an observation-based global assessment may identify areas for provider improvement. [ABSTRACT FROM AUTHOR]