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Purpose: Adherence to peak expiratory flow rate monitoring by children with asthma was evaluated, and a behavioral strategy to enhance adherence to daily monitoring was tested., Design and Methods: Forty-two 7- through 11-year-old children with persistent asthma were recruited into a 5-week randomized, controlled clinical trial. Adherence data were collected electronically by PeakLog and the self-report Asthma Diary., Results: Adherence declined over time. At week 5, intervention group adherence (Median = 79%) was higher than the usual care group adherence (Median = 64%), but the difference was not statistically significant. The effect size did suggest that differences between groups were present., Conclusions: Even small improvements in adherence to asthma treatment may be clinically significant in light of the alarming increases in asthma morbidity and mortality. Contingency management shows promise for improving adherence outcomes. Future research should engage larger sample sizes and increase the number and intensity of sessions to teach behavioral strategies.

Purpose: To examine the relationship between self-reported and electronically monitored adherence to a recommended asthma treatment and to assess the accuracy of the diary data reported by school-age children., Design: A randomized, controlled clinical trial of the effectiveness of an asthma self-management program. The relationship between self-reported and electronically recorded daily peak expiratory flow rate (PEFR) adherence was assessed in a sample of 42 children, ages 7 through 11 years with moderate to severe asthma in one community in West Virginia, USA. Cognitive social learning theory served as the framework for the intervention., Methods: At-home adherence to PEFR monitoring during the 5-week study was evaluated using the self-report Asthma Diary and an electronic PEFR meter. Recommended twice daily (morning and evening) PEFR monitoring was measured., Results: Self-reported and electronically recorded PEFR adherence were modestly correlated. Self-reported adherence was significantly higher than electronically monitored adherence during Week 5. Accuracy of the self-reported PEFR declined over time, and over half of the children fabricated at least one PEFR value during the final week of the study., Conclusions: Clinicians often evaluate the efficacy of prescribed treatment for children with chronic conditions based on the children's self-reported diary data. The findings indicate that these children's self-reported adherence behaviors contained errors. Parent education regarding supervision of children's adherence, including validating the accuracy of diary data, is critical for successful self-management in children with chronic conditions.