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Effectiveness of Different Incentive Models in Booster up the Second Follow up Response Rate

Effectiveness of Different Incentive Models in Booster up the Second Follow up Response Rate

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT03297866
Enrollment
1246
Registered
2017-09-29
Start date
2017-07-14
Completion date
2018-04-30
Last updated
2018-05-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

To Test the Effectiveness of Different Incentive Models for Increasing the Follow-up Response Rate in the Current Smoker Subject

Brief summary

Aim to test the effectiveness of different incentive models for increasing the follow-up response rate in the current smoker subject.

Detailed description

According to the Hong Kong Census and Statistic Department, 10.5% of the Hong Kong population who aged 15 years or above are daily smokers (Thematic Household Survey Report - Report No. 59, 2016). The smoking prevalence was estimated from a thematic household survey that has been conducted every 2 or 3 years. Another population-based survey related to tobacco control is the Tobacco Control Policy-related Survey conducted by the Hong Kong Council on Smoking and Health and the University of Hong Kong. Both surveys were in a cross-sectional design and no follow-up was done. A cohort study with follow-up data could provide more insights for the causal relationship. However, most people are not willing to complete follow-up survey and the response rate is often low (Mellahi, 2016). The low survey response rate could lead to statistically bias in the research funding (Pit, 2014). Therefore, cohort surveys need to provide attractive monetary incentive to the interviewee to increase the response rate (Pit, 2014). This study aims to assess and compare the 3-month response rate of a follow-up survey due to different financial incentive schemes. The findings will be used for a feasibility assessment of future cohort studies of evaluating tobacco control measures and public opinion, and exploration of appropriate incentive scheme.

Interventions

None listed

Sponsors

The University of Hong Kong
Lead SponsorOTHER

Study design

Observational model
COHORT
Time perspective
CROSS_SECTIONAL

Eligibility

Sex/Gender
ALL
Age
15 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Aged 15 or above * Cantonese or Mandarin speakers

Exclusion criteria

* Unable to provide a consent form * Speak language other than Cantonese and Mandarin

Design outcomes

Primary

MeasureTime frameDescription
Proportion of respondents who will complete the 3-month follow-upFinish all telephone survey by Jan 2018Proportion of respondents who will complete the 3-month follow-up

Countries

Hong Kong

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 2, 2026