Comparing the Preferences of Patients and the General Public for Treatment Outcomes in Type 2 Diabetes Mellitus
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ORIGINAL RESEARCH ARTICLE
Comparing the Preferences of Patients and the General Public for Treatment Outcomes in Type 2 Diabetes Mellitus Norah L. Crossnohere1,2 · Sarah Janse1 · Ellen Janssen3 · John F. P. Bridges1,2
© Springer Nature Switzerland AG 2020
Abstract Background Healthcare treatments and interventions are traditionally evaluated from the societal perspective, but a more patient-centric perspective has been proposed in recent years. We sought to compare preferences of patients and the general public for treatment outcomes of type 2 diabetes using both best–worst scaling (BWS) and rating approaches. Methods A survey evaluating the treatment priorities for type 2 diabetes was conducted in the United States. Members of the general public and patients with type 2 diabetes were recruited from a nationally sampled panel. Participants indicated the importance of seven potential treatment outcomes (hypoglycemic events, glycated hemoglobin [A1c], weight loss, mental health, functioning, glycemic stability, and cardiovascular health) using (1) BWS case 1 and (2) a rating task. Preference differences from BWS prioritizations were explored using mixed logistic regression (BWS preference weights were probability re-scaled so that the weightings of the seven items collectively summed to 100). The consistency of scale between samples was explored using heteroskedastic conditional logistic regression of BWS data. Spearman rank correlation was used to compare standardized BWS preference weights and rating scores for each group. Both groups evaluated the BWS and rating activities using debriefing questions. Results The public and patient samples included 314 and 313 respondents, respectively. The public was on average 16 years younger than patients (48 vs 64 years, P
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