Participating in a fruit and vegetable intervention trial improves longer term fruit and vegetable consumption and barriers to fruit and vegetable consumption: a follow-up of the ADIT study

International Journal of Behavioral Nutrition and Physical Activity

Research

Michelle C McKinley¹  Nicola E Gallagher¹  Jayne V Woodside¹  Claire R Draffin¹  Ian S Young¹  Charlotte E Neville¹  Katherine M Appleton²  J David Edgar³ 

[1] 1Centre of Excellence for Public Health, Queen’s University Belfast, School of Medicine, Dentistry and Biomedical Sciences, Institute of Clinical Science B, Grosvenor Road, BT12 6BJ, Belfast, UK;Department of Psychology, Bournemouth University, Dorset, UK;Regional Immunology Service, Kelvin Building, Royal Victoria Hospital, Grosvenor Road, BT12 6BN, Belfast, UK;

关键词: Randomized controlled trial;    Fruit;    Vegetables;    Barriers;    Adherence;   

DOI  :  10.1186/s12966-015-0311-4

 received in 2015-05-26, accepted in 2015-12-02,  发布年份 2015

来源: Springer

【 摘 要 】

BackgroundFruit and vegetable (FV) based intervention studies can be effective in increasing short term FV consumption. However, the longer term efficacy of such interventions is still unclear. The aim of the current study was to examine the maintenance of change in FV consumption 18-months after cessation of a FV intervention and to examine the effect of participating in a FV intervention on barriers to FV consumption.MethodsA follow-up of a randomised controlled FV trial in 83 older adults (habitually consuming ≤2 portions/day) was conducted. At baseline, participants were assigned to continue consuming ≤2 portions FV/day or consume ≥5 portions FV/day for 16-weeks. We assessed FV intake and barriers to FV consumption at baseline, end of intervention and 18-months post-intervention.ResultsAt 18-months, mean FV intakes in both groups were greater than baseline. The 5 portions/day group continued to show greater increases in FV consumption at 18-months than the 2 portions/day group (p < 0.01). At 18-months, both groups reported greater liking (p < 0.01) and ease in consuming FV (p = 0.001) while difficulties with consuming FV decreased (p < 0.001). The 2 portions/day group reported greater awareness of FV recommendations at 18-months (p < 0.001).ConclusionsParticipating in a FV intervention can lead to longer-term positive changes in FV consumption regardless of original group allocation.Trial registrationClinical Trials.gov NCT00858728.

【 授权许可】

CC BY   
© Neville et al. 2015