Development and Assessment of a Patient-Reported Outcome Instrument for Gender-Affirming Care.
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Kaur Manraj N, Rae Charlene, Morrison Shane D, Laungani Alexis, Brassard Pierre, Mullender Margriet G, van de Grift Tim C, Young-Afat Danny A, Sørensen Jens Ahm, Poulsen Lotte, Cornacchi Sylvie D, Graesser Jack G, Igbokwe Michelle Mistry, Satterwhite Thomas, Pang John H, Akhavan Arya A, Hu Allison, Johnson Natasha, Cano Stefan J, Savard Kinusan, Mundinger Gerhard S, Capitán-Cañadas Fermín, Simon Daniel, Capitán Luis, Coon Devin, Brydges Hilliard T, Bluebond-Langner Rachel, Rodriguez Eduardo D, Zhao Lee C, Armstrong Kathleen A, Dean Nicola R, Crittenden Tamara A, Cannell Zac A, Lane Megan, Haley Caleb A, Hsu Jessica, Dy Geolani W, Peters Blair R, Berli Jens U, Milano Christina E, Lava Christian X, Fan Kenneth L, Del Corral Gabriel A, Kaoutzanis Christodoulos, Kalia Nargis, Higuchi Ty, Ganor Oren, Subedi Sangeeta, Douglass Laura M, Hamidian Jahromi Alireza, Hosseini Helia C, Ihnat Jacqueline, Parikh Neil, Hu Kevin, Alperovich Michael, Ray Edward C, Aref Youssef, Hassan Bashar A, Liang Fan, Mundy Lily, Chen Mang L, Pusic Andrea L, Klassen Anne F
Аннотация
OBJECTIVE: To field test the GENDER-Q, a new PROM for gender-affirming care, in a large, international sample of transgender and gender diverse (TGD) adults and evaluate its psychometric properties.
DESIGN, SETTING, AND PARTICIPANTS: This international cross-sectional study was conducted among TGD adults aged 18 years and older who were seeking or had received gender-affirming care within the past 5 years at 21 clinical sites across Canada, the United States, the Netherlands, and Spain; participants were also recruited through community groups (eg, crowdsourcing platform, social media). The study was conducted between February 2022 and March 2024. Participants had to be capable of completing the instrument in English, Danish, Dutch, or French-Canadian. Eligible participants accessed an online REDCap survey to complete sociodemographic questions and questions about gender-affirming care they had received or sought (ie, to look, function, or feel masculine, feminine, gender fluid, or another way).
MAIN OUTCOME AND MEASURES: Branching logic was used to assign relevant instrument scales. Rasch measurement theory (RMT) analysis was used to examine the fit of the observed data to the Rasch model for each scale. Test-retest reliability and hypothesis-based construct validity of instrument scales were examined. The hypothesis was that instrument scale scores would increase with better outcomes on corresponding categorical questions.
RESULTS: A total of 5497 participants (mean [SD] age, 32.8 [12.3] years; 1837 [33.4%] men; 1307 [23.8%] nonbinary individuals; and 2036 [37.0%] women) completed the field test survey. Participants sought or had the following types of gender-affirming care: 2674 (48.6%) masculinizing, 2271 (41.3%) femininizing, and 552 (10.0%) other. RMT analysis led to the development of 54 unidimensional scales and 2 checklists covering domains of health-related quality of life, sexual, urination, gender practices, voice, hair, face and neck, body, breasts, genital feminization, chest, genital masculinization, and experience of care. Test-retest reliability of the scales (intraclass correlation coefficient [average] >0.70) was demonstrated. Only 1 item (phalloplasty donor flap) had an ICC less than 0.70. As hypothesized, scores increased incrementally with better associated self-reported categorical responses. For example, among 661 participants who reported poor psychological well-being, the mean (SD) scale score was 45 (18) points; for those who reported excellent psychological well-being, the mean (SD) scale score was 85 (16) points (P < .001).
CONCLUSIONS AND RELEVANCE: In this cross-sectional study of 5497 TGD adults, the instrument demonstrated reliability and validity. The instrument was validated in an international sample and is designed to collect and compare evidence-based outcome data for gender-affirming care from the patients' perspective.