Youth more likely to stick with CGM if they are part of decision to start

Philadelphia, July 31, 2020--Continuous glucose monitoring (CGM) tracks glucose levels of people with type I

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Philadelphia, July 31, 2020--Continuous glucose monitoring (CGM) tracks glucose levels of people with type I or type II diabetes through a device that monitors levels throughout the day. These devices improve control of blood sugar levels by alerting patients when their levels go too high or low, but patients need to use the technology consistently to derive a benefit. Previous studies have shown that youth are less likely than adults to use CGM consistently, so there is a need to identify factors that lead to long-term CGM use in youth.

In a new study published in Diabetes Care, researchers at Children's Hospital of Philadelphia (CHOP) have found that youth who are involved with the decision to start CGM are more likely to continue using the monitoring technology more than two months after starting. The findings suggest that children and adolescents who do not have a role in the decision are less likely to be satisfied with the device and use the device consistently.

"To maximize the clinical benefits of CGM, our results suggest that providers should involve youth in the decision-making process from the beginning, eliciting their opinions, concerns, and questions about the device and providing information about the device directly to them," said Victoria A. Miller, PhD, a psychologist in the Craig-Dalsimer Division of Adolescent Medicine at CHOP. "Parents also have a role to play, and providers can encourage parents to engage their children in conversations about the decision to start CGM without dominating the discussion, which may increase the likelihood that they are in agreement about waiting or proceeding."

The study analyzed 108 parent-child pairs and found that when parents reported their children spoke up more in discussions about CGM, children used the technology more regularly up to 12 weeks after beginning use. Conversely, when parents reported that they themselves spoke up more in discussions about CGM, their children used the technology less frequently two months after starting. Researchers also found that when parents reported their children spoke up more in discussions about CGM, the children had stronger beliefs in their ability to use CGM successfully and were less likely to perceive CGM as a hassle at a two-month follow-up.

The authors noted a few limitations to their study, including the fact that the sample population was primarily non-Hispanic white and parent participants were mostly mothers. The study also only used one CGM brand. As such, the findings may not be generalizable to more diverse populations, father-child pairs, or families who choose different CGM brands. Additionally, those who participated in the study may have been, by their willingness to participate, more open to talking about diabetes, so the results may not apply to those who are more reticent to talk about diabetes or who are overwhelmed with managing their condition.

"Additional research is needed to develop strategies that enhance children's involvement in the decision about CGM, prevent declines in CGM use over time, and maximize the clinical benefits that can be obtained by appropriate use of CGM and other emerging technologies for diabetes management," Miller said. "Such research should also target more diverse samples to examine the extent to which sociodemographic factors, such as race, ethnicity, and socioeconomic status, impact CGM uptake and use."


Miller et al. "Youth Involvement in the Decision to Start CGM Predicts Subsequent CGM Use," Diabetes Care, July 2020. DOI: 10.2337/dc20-0348

About Children's Hospital of Philadelphia: Children's Hospital of Philadelphia was founded in 1855 as the nation's first pediatric hospital. Through its long-standing commitment to providing exceptional patient care, training new generations of pediatric healthcare professionals, and pioneering major research initiatives, Children's Hospital has fostered many discoveries that have benefited children worldwide. Its pediatric research program is among the largest in the country. In addition, its unique family-centered care and public service programs have brought the 564-bed hospital recognition as a leading advocate for children and adolescents. For more information, visit

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