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Opt-Out Consent at Different Levels of Attitude to Organ Donation: A Household Survey in Qatar

Authors Singh R, Varughese B, El-Menyar A, Shahbal S, Al Maslamani Y, Salam AM, Al Thani H

Received 14 December 2020

Accepted for publication 29 January 2021

Published 18 February 2021 Volume 2021:14 Pages 401—410

DOI https://doi.org/10.2147/JMDH.S285011

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 3

Editor who approved publication: Dr Scott Fraser


Rajvir Singh,1 Betsy Varughese,2 Ayman El-Menyar,3 Saad Shahbal,1 Yousuf Al Maslamani,4 Amar M Salam,5 Hassan Al Thani3

1Cardiology Research Center, Heart Hospital, Hamad Medical Corporation (HMC), Doha, Qatar; 2Gastroenterology & Hepatology, HMC, Doha, Qatar; 3Trauma & Vascular Surgery, HMC, Doha, Qatar; 4Hamad General Hospital (HGH), HMC, Doha, Qatar; 5Department of Cardiology & Cardiovascular Surgery, Hamad Medical Corporation, Doha, Qatar

Correspondence: Rajvir Singh
Cardiology Research Center, Heart Hospital, Hamad Medical Corporation (HMC), Doha, Qatar
Tel +974-44390442
Email rajvir.aiims@gmail.com

Purpose: Demand for an organ transplant is surpassing the number of organ donors and hence increasing waiting lists worldwide, compelling many countries to adopt an opt-out consent system for organ donation. Opt-out is used in several European countries and has increased organ registration rate. No study on this subject has been published from the gulf region to associate sociodemographic characteristics, knowledge, attitude, beliefs, and intention domains regarding an opt-out consent for organ donation.
Materials and Methods: A household survey was conducted between October and November 2016 using a validated questionnaire. Integer codes were assigned for qualitative data to interpret results at par with quantitative data for each domain to allow data for advanced statistical analysis.
Results: Of 1044 surveyed participants, 724 (69.34%) those aged 37.7± 10.4 agreed to adopting an opt-out consent system of which 231 (29.4%) were Qatari citizens and 353 (48.8%) were males. Mean levels of indices such as attitude, behavioral beliefs, and intention domains to organ donation were found higher in opt out participants. After adjusting statistical significant variables, multivariate analysis showed that attitude index was associated to opt out system (OR: 16.7, 95% C.I.:10.6– 26.3, p=0.001) whereas; knowledge index (OR: 0.25, 95% C.I.: 0.07– 0.83, p=0.03), behavioral beliefs (OR: 0.55, 95% C.I.: 0.35– 0.86, p=0.009) and intention indices (OR: 0.42, 95% C.I.: 0.20– 0.87, p=0.02) were associated with opt-in system for organ donation in Qatar. Regression model was able to discriminate (AUC: 84%, 95% C.I.:81% to 87%) for opt-out consent. Future probabilities for opt-out consent were 0.80, 0.88, 0.92,0.95,0.96,0.97,0.99 and 0.993 for 0.20, 0.30, 0.40, 0.50, 0.60, 0.70, 0.80 and 0.90 attitude levels after using 200 re-samples to make traditional multivariate regression model to realistic model for the population.
Conclusion: The majority of the survey participants showed a good attitude but less knowledge, behavioral beliefs, and intention towards adopting an opt-out system for organ donation in Qatar.

Keywords: opt-in & opt-out consent system, organ donation, organ transplant, knowledge, attitude, beliefs, intention domains

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