Developing content for a diabetes-specific quality of life item bank and computerized adaptive testing system (DiabCAT)

Eva K Fenwick; Ryan Eyn Kidd Man; Aricia Xin Yi Ho; Ester PX Lee; E Shyong Tai; Ngiap Chuan Tan; Sue-Anne Ee Shiow Toh; Tat Yean Tham; Chin Meng Khoo; Yong Mong Bee; Ecosse Lamoureux

Journal article

Developing content for a diabetes-specific quality of life item bank and computerized adaptive testing system (DiabCAT)

Eva K Fenwick, Ryan Eyn Kidd Man, Aricia Xin Yi Ho, Ester PX Lee, E Shyong Tai, Ngiap Chuan Tan, Sue-Anne Ee Shiow Toh, Tat Yean Tham, Chin Meng Khoo, Yong Mong Bee, Ecosse Lamoureux

Advances in Patient-Reported Outcomes | Elsevier BV | Published : 2026

DOI: 10.1016/j.apro.2026.100329

Open access

Abstract

Objective To develop content for a type 2 diabetes-specific (T2DM) quality of life (QoL) computerized adaptive testing-CAT testing system (“DiabCAT”). Methods In this cross-sectional, qualitative study, domains and items for DiabCAT were generated in Phase 1 from: 1) a literature review of existing T2DM-related QoL patient-reported outcome measures (PROMs) (n = 34) and qualitative papers (n = 26); 2) semi-structured interviews and focus groups with patients with T2DM (September 2021-April 2022; N = 37); and 3) semi-structured interviews with DM healthcare practitioners (n = 8). In Phase 2, items were grouped based on similarities in meaning (binning), systematically refined to a core set (wi..

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