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. 2023 May;60(5):673-679.
doi: 10.1007/s00592-023-02043-w. Epub 2023 Feb 20.

Italian translation and validation of the CGM satisfaction scale questionnaire

Enza Mozzillo  1 , Marco Marigliano  2 , Alda Troncone  3 , Claudio Maffeis  2 , Elisa Morotti  2 , Francesca Di Candia  1 , Ludovica Fedi  1 , Dario Iafusco  3 , Angela Zanfardino  3 , Vittoria Cauvin  4 , Riccardo Pertile  5 , Giulio Maltoni  6 , Stefano Zucchini  6 , Valentino Cherubini  7 , Valentina Tiberi  7 , Nicola Minuto  8 , Marta Bassi  8 , Ivana Rabbone  9 , Silvia Savastio  9 , Davide Tinti  10 , Gianluca Tornese  11 , Riccardo Schiaffini  12 , Stefano Passanisi  13 , Fortunato Lombardo  13 , Riccardo Bonfanti  14 , Andrea Scaramuzza  15 , Roberto Franceschi  4
Affiliations
Free article

Italian translation and validation of the CGM satisfaction scale questionnaire

Enza Mozzillo et al. Acta Diabetol. 2023 May.
Free article

Abstract

Aims: Patient-reported outcomes (PROs) are increasingly important for assessing patient satisfaction with diabetes technologies. PROs must be assessed with validated questionnaires in clinical practice and research studies. Our aim was to translate and validate the Italian version of the continuous glucose monitoring (CGM) Satisfaction (CGM-SAT) scale questionnaire.

Methods: Questionnaire validation followed MAPI Research Trust guidelines and included forward translation, reconciliation, backward translation, and cognitive debriefing.

Results: The final version of the questionnaire was administered to 210 patients with type 1 diabetes (T1D) and 232 parents. The completion rate was excellent, with almost 100% of items answered. The overall Cronbach's coefficient was 0.71 and 0.85 for young people (patients) and parents indicating moderate and good internal consistency, respectively. Parent-young people agreement was 0.404 (95% confidence interval: 0.391-0.417), indicating moderate agreement between the two assessments. Factor analysis identified that factors assessing the "benefits" and "hassles" of CGM accounted for 33.9% and 12.9% of score variance in young people and 29.6% and 19.8% in parents, respectively.

Discussion: We present the successful Italian translation and validation of the CGM-SAT scale questionnaire, which will be useful for assessing satisfaction with Italian T1D patients using CGM systems.

Keywords: Adolescents; CGM-SAT; Children; Questionnaire; Type 1 diabetes; Validation.

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