The Effect of Cash Lottery on Response Rates to an Online Health Survey among Members of the Canadian Association of Retired Persons: A Randomized Experiment

被引：12

作者：

Doerfling, Paul ^{[2
]}

Kopec, Jacek A. ^{[1
,2
]}

Liang, Matthew H. ^{[2
,3
]}

Esdaile, John M. ^{[2
,4
]}

机构：

[1] Univ British Columbia, Sch Populat & Publ Hlth, Vancouver, BC V5Z 1L7, Canada

[2] Arthrit Res Ctr Canada, Vancouver, BC V5Z 1L7, Canada

[3] Harvard Univ, Dept Hlth Policy & Management, Boston, MA 02115 USA

[4] Univ British Columbia, Div Rheumatol, Vancouver, BC V5Z 1L7, Canada

来源：

CANADIAN JOURNAL OF PUBLIC HEALTH-REVUE CANADIENNE DE SANTE PUBLIQUE | 2010年 / 101卷 / 03期

基金：

加拿大健康研究院;

关键词：

Internet; survey; response rates; incentives; MAIL SURVEY; ELECTRONIC MAIL; WEB SURVEYS; INCENTIVES; QUESTIONNAIRE; TRIAL;

D O I：

10.1007/BF03404384

中图分类号：

R1 [预防医学、卫生学];

学科分类号：

1004 ; 120402 ;

摘要：

Objectives: The objectives of the study were 1) to assess the effect of cash lottery on participation rates in a web-based study of physical activity and joint health and 2) to compare recruitment via direct e-mail versus advertisement in an online newsletter. Methods: A sample of 1,150 individuals, randomly selected from a database of members of the Canadian Association of Retired Persons (CARP), was e-mailed a request to participate in an online survey, with follow-up e-mails after 1 and 2 weeks. The sample was randomly split into two groups. Half the sample was offered entry into a cash draw with a $500 grand prize and five $100 prizes, whereas the other half was not offered any incentive. In addition, a brief advertisement about the survey (without an incentive) was placed in an online newsletter that was circulated to 14,000 randomly selected CARP members. Results: In the incentive group, 305 (53.0%) clicked on the hyperlink and visited the website and 84 (14.6%) completed the survey. In the group who received no incentive, 280 (48.7%) clicked on the link and 59 (10.3%) completed the survey. Of those who received the online newsletter, 492 (3.5%) visited the website and 106 (0.76%) completed the survey. Conclusion: A relatively modest financial incentive in the form of a cash lottery significantly increased participation rates in an online health survey. Recruitment through a newsletter advertisement had a very low yield compared to direct e-mail.

引用

页码：251 / 254

页数：4

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