Identification and Prioritization of Attributes for a Discrete Choice Experiment Using the Nominal Group Technique: Patients’ Choice of Public Health Facilities in Cape Town, South Africa

Abstract

Objectives

To date, there has been scant research on patient input regarding the desirable characteristics of healthcare facilities. This study uses the nominal group technique (NGT) to develop a discrete choice experiment (DCE) aimed at identifying and prioritizing, from the patient’s perspective, essential characteristics for choosing public health facilities in Cape Town, South Africa.

Methods

Four focus group discussions were conducted, including a total of 21 patients or their parents/companion at Bothasig and Goodwood community day centers (which offer primary care within substructure) in Cape Town. The group discussions followed the steps of NGT guidelines. At each facility, the frequency of an attribute being within the top 5 was determined, a weighted ranking was calibrated, and a subgroup analysis was performed.

Results

The 6 most important attributes in choosing a facility were “treatment by a doctor/(family physician)” (66.7%), “distance to the community day center” (61.7%), “availability of medication” (61.7%), “confidentiality during treatment” (57.7%), and “waiting time” and “treatment by a nurse.” The weighted results showed that distance was the most important, followed by treatment by the doctors, treatment confidentiality, availability of medication, and waiting time and treatment by a nurse.

Conclusion

This study confirms the feasibility and value of the NGT in identifying and prioritizing the attributes for a DCE. The NGT can be used to elicit patient preferences and, when used together with a DCE, can enhance information quality and quantity for decision making in tandem with patient satisfaction and experiences.

Authors

Plaxcedes Chiwire Silvia M. Evers Hassan Mahomed Mickaël Hiligsmann

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