Advantages of using voiced questionnaire and image capture application for data collection from a minority group in rural areas along the Thailand–Myanmar border

Siriporn Monyarit, Wirichada Pan-ngum, Saranath Lawpoolsri, Surapon Yimsamran, Suporn Pongnumkul, Jaranit Kaewkungwal, Pratap Singhasivanon


Aims To compare the quality of data collection via electronic data capture (EDC) with voiced questionnaire (QNN) and data image capture features using a tablet versus standard paper-based QNN, to assess the user’s perception of using the EDC tool, and to compare user satisfaction with the two methods.

Study design Randomised cross-over study.

Study sites This study was conducted in two villages along the Thailand– Myanmar border.

Methodology This study included 30 community health volunteers (CHVs) and 120 Karen hill tribe villagers. Employing a cross-over study design, the CHVs were allocated randomly to two groups, in which they performed interviews in different sequences using EDC and QNN.

Results Data discrepancies were found between the two data-collection methods, when data from the paper-based and image-capture methods were compared, and when conducting skip pattern questions. More than 90% of the CHVs perceived the EDC to be useful and easy to use. Both interviewers and interviewees were more satisfied with the EDC compared with QNN in terms of format, ease of use, and system speed.

Conclusion The EDC can effectively be used as an alternative method to paperbased QNNs for data collection. It produces more accurate data that can be considered evidence-based.


data collection; ethnicity; mobile health; perception; questionnaires; satisfaction

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