Investigating Affective Attitude Question-behaviour Effects on Intention to Become an Organ Donor

Not Applicable

Completed

• Conditions: Organ Donation
• Interventions: Behavioral: Question-behaviour effect (negatively-worded attitudes); Behavioral: Question-behaviour effect (for affective attitudes)

• Registration Number: NCT02825862
• Lead Sponsor: Royal College of Surgeons, Ireland

Brief Summary

The investigators aim to experimentally manipulate presence of questions on positive or negative affective attitudes to see if including these moderate as intention to become an organ donor. The methodology will be replicated across three international sites (RCSI Dublin, RCSI Bahrain, RCSI Perdana University).

Detailed Description

Not available

Study Timeline

• Study Start: 2016-02
• Study First Submitted: 2016-06-14
• Study First Submitted QC: 2016-07-06
• Study First Posted: 2016-07-07
• Primary Completion: 2017-12
• Status Verified: 2018-04
• Study Completion: 2018-04
• Last Update Submitted: 2019-03-26
• Last Update Posted: 2019-03-27

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 999

Inclusion Criteria

• Agree to participate

Exclusion Criteria

• Refuse to participate

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
Omit negatively-worded items	Question-behaviour effect (negatively-worded attitudes)	Omitting negatively-worded affective attitudes. This intervention is the omission of a subset of negatively-worded affective attitudinal items. This group will complete a similar questionnaire to the replication group, with the same number of items, but all negatively-worded affective attitudes will be omitted. Dummy questions (e.g. about politics) will be substituted for these deleted questions.
Omit affective attitudes	Question-behaviour effect (for affective attitudes)	Omitting affective attitudes The intervention is the omission of all questions on affective attitudes. This group will complete a similar questionnaire to the replication group, with the same number of questionnaire items, but affective attitudes will be omitted. Dummy questions (e.g. about politics) will be substituted for these deleted questions.

Primary Outcome Measures

Name	Time	Method
Intention to become an organ donor	within 3 months	Mean score of two 7-point items: "I will definitely sign up for organ donation and discuss this with my family in the next few months" and "How strong is your intention to sign up for organ donation and discuss this with my family in the next few months?"

Secondary Outcome Measures

Name	Time	Method
Taking a donor card after the interview	Immediately at the end of the interview (i.e. that day, an average of 10-15 minutes after consenting to participate))	"Did survey participant accept a donor card?" Yes/No

Trial Locations

Locations (4)

Manipal University; 🇮🇳 Manipal, Karnataka, India

RCSI; 🇮🇪 Dublin, Ireland

RCSI Perdana University; 🇲🇾 Perdana, Serdang, Malaysia

University of Stirling; 🇬🇧 Stirling, United Kingdom