A randomized controlled trial of smoking cessation for pregnant women to test the effect of a transtheoretical model-based intervention on movement in stage and interaction with baseline stage.

OBJECTIVES: To examine whether, as predicted by the transtheoretical model (TTM), stage-matched interventions will be more effective than stage-mismatched interventions. DESIGN: Randomized controlled trial of smoking cessation advice to pregnant smokers. METHODS: Pregnant women currently smoking at...

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Main Authors: Aveyard, P, Lawrence, T, Cheng, K, Griffin, C, Croghan, E, Johnson, C
Format: Journal article
Language:English
Published: 2006
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author Aveyard, P
Lawrence, T
Cheng, K
Griffin, C
Croghan, E
Johnson, C
author_facet Aveyard, P
Lawrence, T
Cheng, K
Griffin, C
Croghan, E
Johnson, C
author_sort Aveyard, P
collection OXFORD
description OBJECTIVES: To examine whether, as predicted by the transtheoretical model (TTM), stage-matched interventions will be more effective than stage-mismatched interventions. DESIGN: Randomized controlled trial of smoking cessation advice to pregnant smokers. METHODS: Pregnant women currently smoking at 12 weeks gestation were enrolled in a pragmatic three-arm trial of TTM-based interventions to help them stop smoking. One arm constituted standard midwifery advice and a self-help leaflet on stopping smoking, which is generally appropriate for women in preparation. Two arms were TTM-based. Differences in positive movement in stage towards quitting from enrolment to 30 weeks gestation and 10 days post-partum were calculated for each arm of the trial. We then examined whether, as predicted from the TTM, the relative benefit of the TTM-based intervention was greater for women in precontemplation and contemplation, for whom the control intervention was stage-mismatched, than for women in preparation, for whom the control intervention was stage-matched. RESULTS: Women in the TTM-based arms were statistically significantly more likely to move forward in stage than were women in the control arm. Contrary to the TTM-derived hypothesis, the greater relative benefit of the TTM-based intervention was seen for women in preparation stage at baseline, rather than women in precontemplation and contemplation. CONCLUSIONS: The TTM-based intervention was more effective in stage movement, but this could be due to its greater intensity. The failure to confirm that stage-matching was important casts doubt on the validity of the TTM in explaining smoking cessation behaviour in pregnancy.
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spelling oxford-uuid:b76a7b2f-2217-47fe-9c09-8878cff1f4bc2022-03-27T04:48:27ZA randomized controlled trial of smoking cessation for pregnant women to test the effect of a transtheoretical model-based intervention on movement in stage and interaction with baseline stage.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:b76a7b2f-2217-47fe-9c09-8878cff1f4bcEnglishSymplectic Elements at Oxford2006Aveyard, PLawrence, TCheng, KGriffin, CCroghan, EJohnson, C OBJECTIVES: To examine whether, as predicted by the transtheoretical model (TTM), stage-matched interventions will be more effective than stage-mismatched interventions. DESIGN: Randomized controlled trial of smoking cessation advice to pregnant smokers. METHODS: Pregnant women currently smoking at 12 weeks gestation were enrolled in a pragmatic three-arm trial of TTM-based interventions to help them stop smoking. One arm constituted standard midwifery advice and a self-help leaflet on stopping smoking, which is generally appropriate for women in preparation. Two arms were TTM-based. Differences in positive movement in stage towards quitting from enrolment to 30 weeks gestation and 10 days post-partum were calculated for each arm of the trial. We then examined whether, as predicted from the TTM, the relative benefit of the TTM-based intervention was greater for women in precontemplation and contemplation, for whom the control intervention was stage-mismatched, than for women in preparation, for whom the control intervention was stage-matched. RESULTS: Women in the TTM-based arms were statistically significantly more likely to move forward in stage than were women in the control arm. Contrary to the TTM-derived hypothesis, the greater relative benefit of the TTM-based intervention was seen for women in preparation stage at baseline, rather than women in precontemplation and contemplation. CONCLUSIONS: The TTM-based intervention was more effective in stage movement, but this could be due to its greater intensity. The failure to confirm that stage-matching was important casts doubt on the validity of the TTM in explaining smoking cessation behaviour in pregnancy.
spellingShingle Aveyard, P
Lawrence, T
Cheng, K
Griffin, C
Croghan, E
Johnson, C
A randomized controlled trial of smoking cessation for pregnant women to test the effect of a transtheoretical model-based intervention on movement in stage and interaction with baseline stage.
title A randomized controlled trial of smoking cessation for pregnant women to test the effect of a transtheoretical model-based intervention on movement in stage and interaction with baseline stage.
title_full A randomized controlled trial of smoking cessation for pregnant women to test the effect of a transtheoretical model-based intervention on movement in stage and interaction with baseline stage.
title_fullStr A randomized controlled trial of smoking cessation for pregnant women to test the effect of a transtheoretical model-based intervention on movement in stage and interaction with baseline stage.
title_full_unstemmed A randomized controlled trial of smoking cessation for pregnant women to test the effect of a transtheoretical model-based intervention on movement in stage and interaction with baseline stage.
title_short A randomized controlled trial of smoking cessation for pregnant women to test the effect of a transtheoretical model-based intervention on movement in stage and interaction with baseline stage.
title_sort randomized controlled trial of smoking cessation for pregnant women to test the effect of a transtheoretical model based intervention on movement in stage and interaction with baseline stage
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