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PLoS One. 2010 Jan 15;5(1):e8728. doi: 10.1371/journal.pone.0008728.

Does modality of survey administration impact data quality: audio computer assisted self interview (ACASI) versus self-administered pen and paper?

Author information

  • 1Department of Orthopedic Surgery, Brigham and Women's Hospital, Boston, Massachusetts, United States of America. wreichmann@partners.org

Abstract

BACKGROUND:

In the context of a randomized controlled trial (RCT) on HIV testing in the emergency department (ED) setting, we evaluated preferences for survey modality and data quality arising from each modality.

METHODS:

Enrolled participants were offered the choice of answering a survey via audio computer assisted self-interview (ACASI) or pen and paper self-administered questionnaire (SAQ). We evaluated factors influencing choice of survey modality. We defined unusable data for a particular survey domain as answering fewer than 75% of the questions in the domain. We then compared ACASI and SAQ with respect to unusable data for domains that address sensitive topics.

RESULTS:

Of 758 enrolled ED patients, 218 (29%) chose ACASI, 343 chose SAQ (45%) and 197 (26%) opted not to complete either. Results of the log-binomial regression indicated that older (RR = 1.08 per decade) and less educated participants (RR = 1.25) were more likely to choose SAQ over ACASI. ACASI yielded substantially less unusable data than SAQ.

CONCLUSIONS:

In the ED setting there may be a tradeoff between increased participation with SAQ versus better data quality with ACASI. Future studies of novel approaches to maximize the use of ACASI in the ED setting are needed.

PMID:
20090953
[PubMed - indexed for MEDLINE]
PMCID:
PMC2806918
Free PMC Article
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