Promoting fruit and vegetable consumption. Testing an intervention based on the theory of planned behaviour

► A clinically significant change in behaviour was found with an average increase of 0.8 servings. ► The TPB was found to significantly predict fruit and vegetable consumption. ► However, behaviour change was not predicted by TPB. This study evaluated the efficacy of a theory of planned behaviour (T...

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Veröffentlicht in:Appetite 2012-06, Vol.58 (3), p.997-1004
Hauptverfasser: Kothe, E.J., Mullan, B.A., Butow, P.
Format: Artikel
Sprache:eng
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Zusammenfassung:► A clinically significant change in behaviour was found with an average increase of 0.8 servings. ► The TPB was found to significantly predict fruit and vegetable consumption. ► However, behaviour change was not predicted by TPB. This study evaluated the efficacy of a theory of planned behaviour (TPB) based intervention to increase fruit and vegetable consumption. The extent to which fruit and vegetable consumption and change in intake could be explained by the TPB was also examined. Participants were randomly assigned to two levels of intervention frequency matched for intervention content (low frequency n=92, high frequency n=102). Participants received TPB-based email messages designed to increase fruit and vegetable consumption, messages targeted attitude, subjective norm and perceived behavioural control (PBC). Baseline and post-intervention measures of TPB variables and behaviour were collected. Across the entire study cohort, fruit and vegetable consumption increased by 0.83 servings/day between baseline and follow-up. Intention, attitude, subjective norm and PBC also increased (p
ISSN:0195-6663
1095-8304
DOI:10.1016/j.appet.2012.02.012