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A randomised controlled trial of a theory-based interactive internet-based smoking cessation intervention ('StopAdvisor'): Study protocol

A randomised controlled trial of a theory-based interactive internet-based smoking cessation intervention ('StopAdvisor'): Study protocol
A randomised controlled trial of a theory-based interactive internet-based smoking cessation intervention ('StopAdvisor'): Study protocol
Background: Internet-based interventions can help smokers to quit compared with brief written materials or no intervention. However, they are not widely used, particularly by more disadvantaged smokers, and there is significant variation in their effectiveness. A new smoking cessation website (‘StopAdvisor’) has been systematically developed on the basis of PRIME theory, empirical evidence, web-design expertise and user-testing with socio-economically disadvantaged smokers. This paper reports the protocol of a randomised controlled trial to evaluate the efficacy of StopAdvisor and determine whether it translates across the social spectrum.

Methods: The trial has two arms with participants randomised to the offer of the interactive ‘StopAdvisor’ website (intervention condition) or a non-interactive, static website (control condition). Participants are adults from the UK, who smoke every day and are willing to make a serious quit attempt within a month of enrolment. At least 4260 participants will be recruited with a minimum of 2130 in each of two socio-economic sub-groups. The intervention comprises a structured quit plan and a variety of theory- and evidence-based behaviour change techniques for smoking cessation. Tailored support is offered in the form of a series of tunnelled sessions and a variety of interactive menus for use up to a month before, and then for one month after quitting (http://www.lifeguideonline.org/player/play/stopadvisordemonstration). The control is a static website that presents brief and standard advice on smoking cessation. Assessments are at baseline and 2-, 4- and 7-months post-enrolment. The primary outcome measure will be Russell Standard 6-months sustained abstinence, defined as self-reported continuous abstinence verified by saliva cotinine or anabasine at 7-month follow-up. Secondary outcome measures will include 7-day point-prevalence abstinence at 7-month follow-up, self-reported abstinence at 2- and 4-month follow-ups, satisfaction ratings of the website and quantitative indices of website interaction. All analyses will be by intention to treat and the main analysis will compare the two conditions on the primary outcome measure using a logistic regression model, adjusted for baseline characteristics. The efficacy of the intervention across the social spectrum will be assessed by a logistic regression focusing on the interaction between condition and socio-economic disadvantage.
smoking cessation intervention, internet-based, website, theory-based, protocol
1834-2612
63-70
Michie, Susan
47e0a907-79cb-47d5-b5a9-82d2afe1747a
Brown, Jamie
03488948-34d6-4544-9a15-e939d19c9fb4
Geraghty, Adam W.A.
2c6549fe-9868-4806-b65a-21881c1930af
Miller, Sascha
b1c434a6-041c-4771-8ed2-3d050eec6e5f
Yardley, Lucy
64be42c4-511d-484d-abaa-f8813452a22e
Gardner, Benjamin
c2e2855a-1018-4f54-a6bc-5c0fa7a32423
Shahab, Lion
973b8ba3-5efb-4088-b7a7-1b5de74b8a8d
Stapleton, John A.
d1715360-5030-47bd-8c3b-2ed6d5ded096
West, Robert
de79ca55-bbe3-415f-bec6-a78f6ebb3d9f
Michie, Susan
47e0a907-79cb-47d5-b5a9-82d2afe1747a
Brown, Jamie
03488948-34d6-4544-9a15-e939d19c9fb4
Geraghty, Adam W.A.
2c6549fe-9868-4806-b65a-21881c1930af
Miller, Sascha
b1c434a6-041c-4771-8ed2-3d050eec6e5f
Yardley, Lucy
64be42c4-511d-484d-abaa-f8813452a22e
Gardner, Benjamin
c2e2855a-1018-4f54-a6bc-5c0fa7a32423
Shahab, Lion
973b8ba3-5efb-4088-b7a7-1b5de74b8a8d
Stapleton, John A.
d1715360-5030-47bd-8c3b-2ed6d5ded096
West, Robert
de79ca55-bbe3-415f-bec6-a78f6ebb3d9f

Michie, Susan, Brown, Jamie, Geraghty, Adam W.A., Miller, Sascha, Yardley, Lucy, Gardner, Benjamin, Shahab, Lion, Stapleton, John A. and West, Robert (2013) A randomised controlled trial of a theory-based interactive internet-based smoking cessation intervention ('StopAdvisor'): Study protocol. Journal of Smoking Cessation, 8 (2), 63-70. (doi:10.1017/jsc.2013.21).

Record type: Article

Abstract

Background: Internet-based interventions can help smokers to quit compared with brief written materials or no intervention. However, they are not widely used, particularly by more disadvantaged smokers, and there is significant variation in their effectiveness. A new smoking cessation website (‘StopAdvisor’) has been systematically developed on the basis of PRIME theory, empirical evidence, web-design expertise and user-testing with socio-economically disadvantaged smokers. This paper reports the protocol of a randomised controlled trial to evaluate the efficacy of StopAdvisor and determine whether it translates across the social spectrum.

Methods: The trial has two arms with participants randomised to the offer of the interactive ‘StopAdvisor’ website (intervention condition) or a non-interactive, static website (control condition). Participants are adults from the UK, who smoke every day and are willing to make a serious quit attempt within a month of enrolment. At least 4260 participants will be recruited with a minimum of 2130 in each of two socio-economic sub-groups. The intervention comprises a structured quit plan and a variety of theory- and evidence-based behaviour change techniques for smoking cessation. Tailored support is offered in the form of a series of tunnelled sessions and a variety of interactive menus for use up to a month before, and then for one month after quitting (http://www.lifeguideonline.org/player/play/stopadvisordemonstration). The control is a static website that presents brief and standard advice on smoking cessation. Assessments are at baseline and 2-, 4- and 7-months post-enrolment. The primary outcome measure will be Russell Standard 6-months sustained abstinence, defined as self-reported continuous abstinence verified by saliva cotinine or anabasine at 7-month follow-up. Secondary outcome measures will include 7-day point-prevalence abstinence at 7-month follow-up, self-reported abstinence at 2- and 4-month follow-ups, satisfaction ratings of the website and quantitative indices of website interaction. All analyses will be by intention to treat and the main analysis will compare the two conditions on the primary outcome measure using a logistic regression model, adjusted for baseline characteristics. The efficacy of the intervention across the social spectrum will be assessed by a logistic regression focusing on the interaction between condition and socio-economic disadvantage.

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More information

e-pub ahead of print date: 16 August 2013
Published date: December 2013
Keywords: smoking cessation intervention, internet-based, website, theory-based, protocol
Organisations: Primary Care & Population Sciences, Psychology

Identifiers

Local EPrints ID: 363654
URI: https://eprints.soton.ac.uk/id/eprint/363654
ISSN: 1834-2612
PURE UUID: 3f4d9b21-57a8-43ab-ae27-75df8fc7fc41
ORCID for Lucy Yardley: ORCID iD orcid.org/0000-0002-3853-883X

Catalogue record

Date deposited: 28 Mar 2014 13:11
Last modified: 20 Jul 2019 01:11

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