A Survey of Attitudes of Experienced Blood Donors

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

1177 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-04-03

Study Completion Date

2018-11-01

Brief Summary

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This study examines the effects of a web-based motivational interview on 1) internal motivation to donate blood; 2) donor autonomy, competence and relatedness; and 3) donation intention and behavior. The study also evaluates whether group differences in donation intention and behavior are mediated by autonomy, competence, and relatedness, and in turn, internal motivation.

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Detailed Description

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Voluntary blood donation is both important and necessary for the provision of a steady and safe blood supply. With an aging population and increased restrictions on who can donate blood, maintenance of a stable blood supply is essential. Although 38% of the United States population is eligible to donate, only 5% actually does so. Retention of donors is essential to assuring the continuity of a safe blood supply; repeat donors are safer, more cost effective, and less likely to experience adverse reactions. Current recruitment and retention methods may not be sufficient to encourage repeat donations. According to Self-Determination Theory, people are more likely to persist with behaviors that are internally versus externally motivated. Internal motivation is enhanced by supporting an individual's needs for autonomy, competence, and relatedness. One intervention that has shown early promise as a novel method to enhance internal motivation to donate blood is motivational interviewing. However, implementation of a motivational interviewing intervention is costly and time consuming. Given the time and money required for training and delivery of a motivational interviewing intervention, the current study is designed to test the efficacy of a newly-developed web-based version of a motivational interview. Participants will be randomly assigned to complete either an on-line motivational interview about their blood donation experience or an on-line knowledge interview about blood donation.

Conditions

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Blood Donors

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Participants will be randomly assigned to either (1) complete an on-line motivational interview about their blood donation experience, or (2) complete an on-line knowledge interview about blood donation.

Primary Study Purpose

OTHER

Blinding Strategy

SINGLE

Participants

All participants were informed that they would complete an on-line interview regarding blood donation. They were not be told which of the two interviews they were completing.

Study Groups

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Motivational Interview

Complete an on-line motivational interview regarding participants' blood donation experience.

Group Type EXPERIMENTAL

Motivational Interview

Intervention Type BEHAVIORAL

A web-based computer-tailored intervention that includes open-ended questions, reflective responses, affirmations, and summarizing, as well as informing and advising. Specific topics include 1) individual motivations for giving, 2) the relationship between past donation behavior and the individual's personal goals/values, 3) donation importance and confidence rulers, 4) addressing donor concerns, and 5) summarizing.

Knowledge Interview

Complete an on-line interview regarding participants' general knowledge about blood donation.

Group Type PLACEBO_COMPARATOR

Knowledge Interview

Intervention Type BEHAVIORAL

A web-based interview that includes open-ended questions regarding blood donation knowledge.

Interventions

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Motivational Interview

A web-based computer-tailored intervention that includes open-ended questions, reflective responses, affirmations, and summarizing, as well as informing and advising. Specific topics include 1) individual motivations for giving, 2) the relationship between past donation behavior and the individual's personal goals/values, 3) donation importance and confidence rulers, 4) addressing donor concerns, and 5) summarizing.

Intervention Type BEHAVIORAL

Knowledge Interview

A web-based interview that includes open-ended questions regarding blood donation knowledge.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Subject donated blood within the last week with New York Blood Center.
* Subject has made 2 or more blood donations.
* Subject is eligible to donate blood again.