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Article

Fruit and Vegetable Knowledge and Intake within an Australian Population: The AusDiab Study

1
Institute for Nutrition Research, School of Medical and Health Sciences, Edith Cowan University, Perth, WA 6000, Australia
2
Medical School, The University of Western Australia, Nedlands, WA 6009, Australia
3
Flinders Centre for Epidemiology and Biostatistics, Flinders University, Bedford Park, SA 5042, Australia
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Clinical Diabetes and Epidemiology, Baker Heart and Diabetes Institute, Melbourne, VIC 3004, Australia
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School of Public Health and Preventive Medicine, Monash University, Clayton, VIC 3800, Australia
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Institute for Physical Activity and Nutrition, School of Exercise and Nutrition Science, Deakin University, Burwood, VIC 3125, Australia
7
Centre for Kidney Research, Children’s Hospital at Westmead School of Public Health, Sydney Medical School, The University of Sydney, Sydney, NSW 2006, Australia
*
Author to whom correspondence should be addressed.
Nutrients 2020, 12(12), 3628; https://doi.org/10.3390/nu12123628
Received: 19 October 2020 / Revised: 23 November 2020 / Accepted: 23 November 2020 / Published: 25 November 2020
(This article belongs to the Section Nutrition and Public Health)
Understanding the relationship between fruit and vegetable knowledge (FVK) and fruit and vegetable intake (FVI) is an important consideration for improved public health and successful targeting of health promotion messaging. The aim of this study was to investigate the association between FVK and FVI in Australian adults and to identify subgroups most at risk of poor knowledge. Using data from the Australian Diabetes, Obesity, and Lifestyle Study (AusDiab), we investigated associations between FVK and FVI, as well as demographic and lifestyle factors. Baseline FVK was measured using two self-reported questions. FVI was assessed using a validated, self-reported, food frequency questionnaire in 1999/00 (baseline), 2004/05, and 2011/12. Amongst the 8966 participants assessed at baseline, 24.1% had adequate, 73.0% had insufficient, and 2.9% had poor FVK. Using linear regression, those with insufficient or poor FVK reported significantly lower FVI (grams/day) compared to those with adequate FVK: baseline (coefficient (95%CI)): −67.1 (−80.0, −54.3) and −124.0 (−142.9, −105.1), respectively, whilst, at 12 years, the differences were −42.5 (−54.6, −30.5) and −94.6 (−133.8, −55.5) grams/day, respectively (all p < 0.001). Poor FVK was more likely to be reported in males, older individuals (>65 years), socio-economically disadvantaged, smokers, and those with insufficient physical activity/sedentary behavior. We demonstrate that having adequate knowledge of FVI, defined as knowing to consume fruit and vegetables several times a day for a well-balanced diet, is strongly associated with FVI, with several demographic and lifestyle factors predicting FVK. Health promotion messages aimed at increasing FVK should target these subgroups for maximal effect. View Full-Text
Keywords: health promotion; literacy; eating; diet; survey; questionnaire; fruit; vegetables health promotion; literacy; eating; diet; survey; questionnaire; fruit; vegetables
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MDPI and ACS Style

Hill, C.R.; Blekkenhorst, L.C.; Radavelli-Bagatini, S.; Sim, M.; Woodman, R.J.; Devine, A.; Shaw, J.E.; Hodgson, J.M.; Daly, R.M.; Lewis, J.R. Fruit and Vegetable Knowledge and Intake within an Australian Population: The AusDiab Study. Nutrients 2020, 12, 3628. https://doi.org/10.3390/nu12123628

AMA Style

Hill CR, Blekkenhorst LC, Radavelli-Bagatini S, Sim M, Woodman RJ, Devine A, Shaw JE, Hodgson JM, Daly RM, Lewis JR. Fruit and Vegetable Knowledge and Intake within an Australian Population: The AusDiab Study. Nutrients. 2020; 12(12):3628. https://doi.org/10.3390/nu12123628

Chicago/Turabian Style

Hill, Caroline R., Lauren C. Blekkenhorst, Simone Radavelli-Bagatini, Marc Sim, Richard J. Woodman, Amanda Devine, Jonathan E. Shaw, Jonathan M. Hodgson, Robin M. Daly, and Joshua R. Lewis 2020. "Fruit and Vegetable Knowledge and Intake within an Australian Population: The AusDiab Study" Nutrients 12, no. 12: 3628. https://doi.org/10.3390/nu12123628

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