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A useless raffle.

A K Mortagy, J B Howell, W E Waters

Journal of Epidemiology and Community Health

|June 1, 1985

Summary

This summary is machine-generated.

Offering a prize raffle did not increase mailed questionnaire response rates for respiratory symptom surveys. This study found no significant difference in participation between those offered a raffle and control groups.

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Area of Science:

Epidemiology
Public Health Research Methods

Background:

Mailed questionnaires are common for collecting health data, but response rates can be low.
Incentives are often used to improve survey participation.

Purpose of the Study:

To evaluate the effectiveness of a prize raffle as an incentive to increase response rates for mailed respiratory symptom questionnaires.

Main Methods:

A mailed questionnaire assessing respiratory symptoms was sent to 2712 subjects.
One group (n=1762) was informed about a prize raffle, while a control group (n=950) was not.
Response rates were compared between the two groups.

Main Results:

The response rate for the group aware of the raffle was not significantly higher than the control group.

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The raffle incentive did not demonstrably improve participation in the survey.

Conclusions:

A prize raffle is not an effective strategy for enhancing response rates in mailed respiratory symptom surveys.
Alternative methods or incentives may be needed to improve participation in such studies.