scholarly journals Interaction effects in the theory of planned behaviour: Predicting fruit and vegetable consumption in three prospective cohorts

2014 ◽  
Vol 20 (3) ◽  
pp. 549-562 ◽  
Author(s):  
Emily J. Kothe ◽  
Barbara A. Mullan
2015 ◽  
Vol 8 (8) ◽  
pp. 31
Author(s):  
W. K. MOK ◽  
T. K. Ling

<p><strong>OBJECTIVE:</strong> The aim of this study was to predict the fruit and vegetable consumption intention of students with mild intellectual disability in Hong Kong by the application of Ajzen’s Theory of Planned Behaviour.</p><p><strong>METHODS:</strong> 50 students with mild intellectual disability (30 male and 20 female), ranging in age from 15 to 38 years, were participated in this study. By means of face-to-face interviews, demographic data, Food Preference and variables of Theory of Planned Behaviour, such as Attitude, Subjective Norm and Perceived Behavioural Control were measured.</p><p><strong>RESULTS:</strong> 20%, 28% and 10% students with mild intellectual disability were rated to be overweight, obese and severely obese respectively. The rest of 10% were classified to be underweight. Regarding the daily intake of fruit and vegetable, 96% students with mild intellectual disability failed to consume sufficient amount. The variables of Theory of Planned Behaviour explained 47.7% of fruit and vegetable consumption intention with significant factors of Attitude, Subjective Norm and Perceived Behavioural Control. Food Preference was found to be a useful construct and further improve the prediction by about 7% after incorporating into the model.</p><p><strong>CONCLUSIONS:</strong> Results of this study indicated that Theory of Planned Behaviour is a useful model to predict dietary intention of students with mild intellectual disability in Hong Kong. Food Preference was a significant predictor to model the intention of fruit and vegetable consumption among students other than Attitude, Subjective Norm and Perceived Behavioural Control.</p>


2019 ◽  
Vol 51 (7) ◽  
pp. S18-S19
Author(s):  
Michele Polacsek ◽  
Alyssa Moran ◽  
Anne Thorndike ◽  
Rebecca Franckle ◽  
Rebecca Boulos ◽  
...  

2021 ◽  
pp. 1-3
Author(s):  
Joreintje Dingena Mackenbach

Abstract I reflect upon the potential reasons why American low-income households do not spend an optimal proportion of their food budgets on fruits and vegetables, even though this would allow them to meet the recommended levels of fruit and vegetable consumption. Other priorities than health, automatic decision-making processes and access to healthy foods play a role, but solutions for the persistent socio-economic inequalities in diet should be sought in the wider food system which promotes cheap, mass-produced foods. I argue that, ultimately, healthy eating is not a matter of prioritisation by individual households but by policymakers.


Nutrients ◽  
2020 ◽  
Vol 13 (1) ◽  
pp. 35
Author(s):  
Rachelle A. Pretorius ◽  
Debra J. Palmer

Higher dietary fiber intakes during pregnancy may have the potential health benefits of increasing gut microbiome diversity, lowering the risk of glucose intolerance and pre-eclampsia, achieving appropriate gestational weight gain, and preventing constipation. In this observational cohort study, we have assessed the dietary fiber intakes of 804 women in late pregnancy, using a semi-quantitative food frequency questionnaire (SQ-FFQ). Overall, the median (interquartile range) dietary fiber intake was 24.1 (19.0–29.7) grams per day (g/day). Only 237/804 (29.5%) women met the recommended Adequate Intake (AI) of dietary fiber during pregnancy of 28 g/day. Women consuming the highest quartile of fiber intakes (34.8 (IQR 32.1–39.5) g/day) consumed more fruit, especially apples and bananas, than women consuming the lowest quartile of fiber intakes (15.9 (IQR 14.4–17.5) g/day). These women in the highest fiber-intake quartile were older (p < 0.01), more had completed further education after secondary school (p = 0.04), and they also consumed more vegetables (67 g/day) compared to the women in the lowest fiber consumption quartile (17 g vegetables/day). Bread intakes of 39–42 g/day were consistent in quantities consumed across all four fiber-intake quartiles. Our findings suggest that antenatal education advice targeting increased fruit and vegetable consumption before and during pregnancy may be a simple strategy to achieve increased total dietary fiber intakes to reach recommended quantities.


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