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Completed

NCT Number: NCT04891796

Tobacco Control Policy-related Survey 2020

Aim: to collect further information on issues related to tobacco control which should be addressed and advocated in further tobacco control measures in Hong Kong

The objectives of this policy-related survey by landline and mobile telephone are as follows:

1. to update information on prevalence of conventional cigarettes, e-cigarettes, heat-not-burn tobacco products and waterpipe tobaccos ; 2. to investigate the effects of new pictorial health warning policy in the public; 3. to investigate the level of public support on current and future tobacco control measures and taxation; 4. to address the timely impacts of smoke-free policies, public support for further tobacco control measures and assist COSH in shaping policy direction for government;

Current study is a cross-sectional retrospective landline and mobile telephone survey based on questionnaires. The target sample size is planned to be 5,100 Hong Kong residents, including 1,700 current, ex and never smokers respectively. All three smoking status are to be evenly sampled by landline and mobile telephone. All data will be collected using a Computer Assisted Telephone Interview (CATI) system, which allows real-time data capture and consolidation. All interviews shall be conducted anonymously except for those who are willing to participate subsequent studies pictorial warning opinion. Analysis of survey data will aim to identify current opinion on tobacco control policies and implications for future policies. All eligible subjects who complete the telephone survey will be included in the analysis. Comparison with past trends conducted by previous landline and mobile phone surveys and, where possible, extrapolation of future trends will be explored. Weightings will be applied to adjust for the sex and age of Hong Kong population, and to handle the over-sampling issues of ex- and current smokers. The data analysis will be conducted by experienced statisticians in the applicants' team.

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Key information

Age range

15 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

The Hong Kong Public Opinion Research Institute

Hong Kong

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Hong Kong resident aged 15 and above
  • Cantonese speakers

Exclusion criteria

  • Unable to provide a consent
  • Speak language other than Cantonese

Treatment and study plan

No intervention

Other

No intervention

Primary outcomes

  1. Attitudes toward tobacco control policies

    Time frame: Finish all telephone interviews by Sep 2021

    Topic includes cigarette consumption and dependence, heat-not-burn tobacco products, e-cigarettes, waterpipe tobaccos, years of abstinence, intention to quit, influence of COVID-19 on smoking behaviour, tobacco endgame, second-hand smoke exposure, pictorial health warning, smoke-free areas, tobacco tax increase, peer influence on smoking, and current use and acceptance of phone-based intervention.

Sponsors and collaborators

Lead sponsor

The University of Hong Kong

Other

Registry information

Official study title

Tobacco Control Policy-related Survey by Landline and Mobile Telephone

Important dates

Study start
2021
Primary completion
2021
Study completion
2021
First posted
May 18, 2021
Registry last updated
Jun 22, 2022

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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