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University of Western Ontario

1. van der Werf, Paul. Developing and Testing a Novel Intervention to Reduce Household Food Waste.

Degree: 2018, University of Western Ontario

The amount of food wasted is a topic of societal and academic interest. As academic research in this area is nascent, there are significant knowledge gaps, which this dissertation seeks to narrow, pertaining to: (1) the measurement of food waste; (2) the human behaviors that lead to wasting of food; and (3) the development of efficacious food waste reduction interventions. A systematic literature review of 55 food waste estimates showed that on average 114.3 kg/capita/year is wasted from consumption (i.e., household) and 198.9 kg/capita/year across the entire food supply chain. There is considerable uncertainty with this data because of the different food waste measurements methodologies employed. Household waste composition study data (2012-2015) from 9 Ontario municipalities, that used the same direct measurement methodology and included a single “food waste” category, were aggregated and analyzed to develop estimates of food waste in the garbage stream. This methodology, which showed households disposed 2.40 kg/week of food waste in the garbage, was used as the basis of a bespoke household food waste measurement methodology. To better understand food wasting behavior and facilitate the development of an effective intervention the theory of planned behavior (TPB) was used to inform the development of a survey, which was administered to households in London, Ontario, Canada. Households (n=1,263) threw out avoidable food 4.8 times/week and perceived behavioral control (p A “Reduce Food Waste, Save Money” household intervention, which combined elements of behavioral economics (nudging the desire to reduce monetary loss) and the TPB (strengthening perceived behavioral control), was developed, tested and assessed in a randomized control trial. Treatment total household food waste decreased by 31% and this was significantly greater (p=0.02) than for control households. Key determinants of avoidable food waste reduction included personal attitudes, perceived behavioral control, the number of people in a household and the amount of garbage set out. This research can contribute directly to food waste reduction policy in national, provincial, and municipal contexts.

Subjects/Keywords: food waste; household food waste; theory of planned behavior; behavioral economics; waste characterization; intervention; Applied Behavior Analysis; Food Studies; Human Geography

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APA (6th Edition):

van der Werf, P. (2018). Developing and Testing a Novel Intervention to Reduce Household Food Waste. (Thesis). University of Western Ontario. Retrieved from https://ir.lib.uwo.ca/etd/5896

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16th Edition):

van der Werf, Paul. “Developing and Testing a Novel Intervention to Reduce Household Food Waste.” 2018. Thesis, University of Western Ontario. Accessed January 23, 2019. https://ir.lib.uwo.ca/etd/5896.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7th Edition):

van der Werf, Paul. “Developing and Testing a Novel Intervention to Reduce Household Food Waste.” 2018. Web. 23 Jan 2019.

Vancouver:

van der Werf P. Developing and Testing a Novel Intervention to Reduce Household Food Waste. [Internet] [Thesis]. University of Western Ontario; 2018. [cited 2019 Jan 23]. Available from: https://ir.lib.uwo.ca/etd/5896.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

van der Werf P. Developing and Testing a Novel Intervention to Reduce Household Food Waste. [Thesis]. University of Western Ontario; 2018. Available from: https://ir.lib.uwo.ca/etd/5896

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

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