The effects of increasing fruit and vegetable intake in children with asthma: a randomised controlled trial

Author(s):  
Bronwyn S Berthon ◽  
Rebecca F McLoughlin ◽  
Megan E Jensen ◽  
Banafshe Hosseini ◽  
Evan J Williams ◽  
...  
2011 ◽  
Vol 39 (6) ◽  
pp. 1377-1384 ◽  
Author(s):  
Francina R. Baldrick ◽  
J. Stuart Elborn ◽  
Jayne V. Woodside ◽  
Katherine Treacy ◽  
Judy M. Bradley ◽  
...  

Author(s):  
Yuying Sun ◽  
Samantha S. W. Fung ◽  
Patrick K. W. Man ◽  
Alice N. T. Wan ◽  
Sunita Stewart ◽  
...  

We conducted a cluster randomised controlled trial of parents in 56 primary schools and community service centres (clusters) to evaluate the effectiveness of a single-session workshop on promoting more fruit and vegetable (FV) intake. A total of 803 parents were randomised to the FV intervention arm (16 clusters, n = 197), the more appreciation control arm (19 clusters, n = 270), or the less criticism control arm (21 clusters, n = 336). The FV intake of the FV arm was compared with that of the combined more appreciation or less criticism (MALC) arm. Both arms received a 2 h workshop: (i) the FV arm on increasing FV consumption and related food literacy; (ii) the MALC arm on increasing appreciation or reducing criticism of children. Primary outcomes were FV consumption per day in the past week assessed at baseline, 2-weeks, and 6-weeks. Secondary outcomes were behavioural determinants proposed by the Health Action Process Approach (HAPA), including outcome expectancies, self-efficacy, intention, and planning behaviour. The FV arm had a greater increase in FV consumption than the MALC arm, with large effect sizes (d: 0.97–1.08) and improvements in behavioural determinants with small effect sizes at all time points (d: 0.19–0.43). Our study was the first population-based randomised controlled trial to show that a brief, single 2 h HAPA-based workshop was effective in promoting fruit and vegetable intake in parents.


2011 ◽  
Vol 15 (3) ◽  
pp. 459-465 ◽  
Author(s):  
Meaghan S Christian ◽  
Charlotte EL Evans ◽  
Joan K Ransley ◽  
Darren C Greenwood ◽  
James D Thomas ◽  
...  

AbstractObjectiveThe present analysis evaluates the overall appreciation and implementation of an intervention, Project Tomato, designed to maintain fruit and vegetable intake in children aged 8–9 years.DesignA random sample of fifty-four English primary schools (658 children) were randomised to either the intervention group or the control. The intervention group received a multi-component programme delivered in school by teachers and items sent home for parents/children. Dietary measurements were collected at baseline and follow-up. The intervention participants completed questionnaires on the intervention materials, to identify implementation and appreciation of the intervention, and other environmental mechanisms.SettingFifty-four primary schools were randomly selected, with twenty-seven schools allocated to the intervention group.SubjectsA total of 311 children received the intervention.ResultsImplementation of the intervention was low, 21·3 % of school items and 56·0 % of home items were implemented. The intervention materials were well received by teachers, parents and children. Other mechanisms that may affect fruit and vegetable intake were explored. Children who ate their main meal with their parents 3–7 nights/week on average consumed 37·6 (95 % CI 9·8, 65·4) g more fruit and vegetables than children who ate with their parents 0–2 times/week.ConclusionsImplementation of the trial components was poor. However, the results identified the importance of parental environment and mealtime structure on children's fruit and vegetable intake.


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