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- Publisher Website: 10.1186/s12874-015-0073-3
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Article: The effect of timing of incentive payments on response rates for cohort study telephone interviews in primary care setting with cost-minimization analysis, a randomized controlled trial
Title | The effect of timing of incentive payments on response rates for cohort study telephone interviews in primary care setting with cost-minimization analysis, a randomized controlled trial |
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Authors | |
Keywords | Chinese population Incentive Longitudinal study Response rate Telephone interview Cost minimization |
Issue Date | 2015 |
Publisher | BioMed Central Ltd. The Journal's web site is located at http://www.biomedcentral.com/bmcmedresmethodol/ |
Citation | BMC Medical Research Methodology, 2015, v. 15, p. article no. 79 How to Cite? |
Abstract | Background: The effect of timing of incentive payments on the response rate of telephone surveys is unknown. This study examined whether up-front or delayed Incentive payments were associated with higher response rates for participation in a telephone interview administered longitudinal cohort study amongst primary care patients with lower urinary tract symptoms, and to compare the costs between the two timing methods. Methods: This study was conducted as part of a naturalistic observation study on the health-related quality of life and health outcomes of Chinese primary care patients with lower urinary tract symptoms. The Incentive payment was in the form of a supermarket gift voucher to the value of HD$50 (US$6.50) and could be used in lieu of cash at a major supermarket chain.720 subjects with lower urinary tract symptoms were randomly assigned into two groups. One group was offered an Incentive of supermarket cash voucher at time of recruitment ('up-front' payment). The other group was told that the voucher would be sent to them after the complete of their 1-year follow-up telephone interview ('delayed' payment). Primary outcomes were the baseline and 1-year follow-up telephone survey response rates. Results: There was no statistical difference in response rates at baseline (p-value = 0.938) or at the 1-year follow-up (p-value = 0.751) between groups. Cost per completed subject interviews for the up-front payment method was USD16.64, whilst cost for the delayed payment was USD 13.85. Conclusions: It appears the timing of Incentive payments does not affect response rates for telephone interview surveys conducted on primary care patients in Hong Kong at baseline or at 1-year follow-up. Delayed Incentive payments can reduce the overall cost per successful case. Trial registration: ClinicalTrials.gov Identifier: NCT02307929 Registered 28 August 2013. |
Persistent Identifier | http://hdl.handle.net/10722/232006 |
ISSN | 2023 Impact Factor: 3.9 2023 SCImago Journal Rankings: 1.632 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Chin, WY | - |
dc.contributor.author | Choi, PH | - |
dc.contributor.author | Lam, CLK | - |
dc.date.accessioned | 2016-09-20T05:26:56Z | - |
dc.date.available | 2016-09-20T05:26:56Z | - |
dc.date.issued | 2015 | - |
dc.identifier.citation | BMC Medical Research Methodology, 2015, v. 15, p. article no. 79 | - |
dc.identifier.issn | 1471-2288 | - |
dc.identifier.uri | http://hdl.handle.net/10722/232006 | - |
dc.description.abstract | Background: The effect of timing of incentive payments on the response rate of telephone surveys is unknown. This study examined whether up-front or delayed Incentive payments were associated with higher response rates for participation in a telephone interview administered longitudinal cohort study amongst primary care patients with lower urinary tract symptoms, and to compare the costs between the two timing methods. Methods: This study was conducted as part of a naturalistic observation study on the health-related quality of life and health outcomes of Chinese primary care patients with lower urinary tract symptoms. The Incentive payment was in the form of a supermarket gift voucher to the value of HD$50 (US$6.50) and could be used in lieu of cash at a major supermarket chain.720 subjects with lower urinary tract symptoms were randomly assigned into two groups. One group was offered an Incentive of supermarket cash voucher at time of recruitment ('up-front' payment). The other group was told that the voucher would be sent to them after the complete of their 1-year follow-up telephone interview ('delayed' payment). Primary outcomes were the baseline and 1-year follow-up telephone survey response rates. Results: There was no statistical difference in response rates at baseline (p-value = 0.938) or at the 1-year follow-up (p-value = 0.751) between groups. Cost per completed subject interviews for the up-front payment method was USD16.64, whilst cost for the delayed payment was USD 13.85. Conclusions: It appears the timing of Incentive payments does not affect response rates for telephone interview surveys conducted on primary care patients in Hong Kong at baseline or at 1-year follow-up. Delayed Incentive payments can reduce the overall cost per successful case. Trial registration: ClinicalTrials.gov Identifier: NCT02307929 Registered 28 August 2013. | - |
dc.language | eng | - |
dc.publisher | BioMed Central Ltd. The Journal's web site is located at http://www.biomedcentral.com/bmcmedresmethodol/ | - |
dc.relation.ispartof | BMC Medical Research Methodology | - |
dc.rights | BMC Medical Research Methodology. Copyright © BioMed Central Ltd. | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.subject | Chinese population | - |
dc.subject | Incentive | - |
dc.subject | Longitudinal study | - |
dc.subject | Response rate | - |
dc.subject | Telephone interview | - |
dc.subject | Cost minimization | - |
dc.title | The effect of timing of incentive payments on response rates for cohort study telephone interviews in primary care setting with cost-minimization analysis, a randomized controlled trial | - |
dc.type | Article | - |
dc.identifier.email | Chin, WY: chinwy@hku.hk | - |
dc.identifier.email | Lam, CLK: clklam@hku.hk | - |
dc.identifier.authority | Chin, WY=rp00290 | - |
dc.identifier.authority | Lam, CLK=rp00350 | - |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.1186/s12874-015-0073-3 | - |
dc.identifier.pmid | 26445404 | - |
dc.identifier.scopus | eid_2-s2.0-84943561861 | - |
dc.identifier.hkuros | 263680 | - |
dc.identifier.volume | 15 | - |
dc.identifier.spage | article no. 79 | - |
dc.identifier.epage | article no. 79 | - |
dc.identifier.isi | WOS:000362313500001 | - |
dc.publisher.place | United Kingdom | - |
dc.identifier.issnl | 1471-2288 | - |