1. The impact of self-efficacy and implementation intentions-based interventions on fruit and vegetable intake among adults
- Author
-
Gaston Godin, Elisabeth Spitz, Jean-Claude Manderscheid, Laurence Guillaumie, Laurent Muller, Centre Hospitalier Affilié Universitaire de Québec, Canada Research Chair on Behaviour and Health, Université Laval [Québec] (ULaval)-Faculty of Nursing, Laboratoire de Psychologie - UFC (UR 3188) (PSYCHO), Université de Franche-Comté (UFC), Université Bourgogne Franche-Comté [COMUE] (UBFC)-Université Bourgogne Franche-Comté [COMUE] (UBFC), Maladies chroniques, santé perçue, et processus d'adaptation (APEMAC), Université Paris Descartes - Paris 5 (UPD5)-Université de Lorraine (UL), and Laboratoire de Psychologie - UFC (EA 3188) (PSYCHO)
- Subjects
Adult ,Male ,Paris ,Mediation (statistics) ,Psychological intervention ,[SHS.PSY]Humanities and Social Sciences/Psychology ,Health Promotion ,Intention ,law.invention ,Young Adult ,03 medical and health sciences ,0302 clinical medicine ,Randomized controlled trial ,law ,Surveys and Questionnaires ,Environmental health ,Vegetables ,Humans ,Medicine ,030212 general & internal medicine ,Young adult ,ComputingMilieux_MISCELLANEOUS ,Applied Psychology ,Aged ,Self-efficacy ,030505 public health ,business.industry ,Public Health, Environmental and Occupational Health ,Feeding Behavior ,General Medicine ,General Chemistry ,Middle Aged ,Self Efficacy ,Fruit ,Fruit intake ,Female ,Health education ,0305 other medical science ,business ,Psychosocial - Abstract
This study tested the effect of interventions designed for people who do not eat yet the recommended daily fruit and vegetable intake (FVI) but have a positive intention to do so. Adults (N = 163) aged 20-65 were randomised into four groups: implementation intentions (II group), self-efficacy (SE group), combination of II + SE group) and a control group receiving written information on nutrition. Study variables were measured at baseline, post-intervention and at 3-month follow-up. At follow-up, compared to the control group, FVI increased significantly in the II and II + SE groups (1.5 and 1.9 servings per day, respectively). Most psychosocial variables significantly increased compared to the control group, with the exception of SE for vegetable intake (VI). Moreover, at 3-month follow-up, change in FVI was mediated by changes in fruit intake (FI) intention and VI action planning. In conclusion, II interventions were efficient to increase FVI, with or without consideration for the development of SE. Thus, future studies should favour the adoption of this approach to bridge the intention-behaviour gap for FVI.
- Published
- 2012