期刊
ENVIRONMENT AND BEHAVIOR
卷 53, 期 2, 页码 151-183出版社
SAGE PUBLICATIONS INC
DOI: 10.1177/0013916519875180
关键词
household food waste; intervention; waste characterization; theory of planned behavior; avoidable food waste
资金
- Social Sciences and Humanities Research Council of Canada [430-2017-01113]
A study conducted in households in London, Ontario, Canada, implemented an intervention based on the theory of planned behavior. The results showed a significant decrease in food waste in treatment households compared to control households, with reductions of 31% for total food waste and 30% for avoidable food waste. Factors influencing the reduction of avoidable food waste in treatment households included personal attitudes, perceived behavioral control, household size, and amount of garbage set out.
An intervention, which used elements of the theory of planned behavior, was developed and tested in a randomized control trial (RCT) involving households in the city of London, Ontario, Canada. A bespoke methodology involving the direct collection and measurement of food waste within curbside garbage samples of control (n = 58) and treatment households (n = 54) was used to evaluate the effectiveness of the intervention. A comparison of garbage samples before and after the intervention revealed that total food waste in treatment households decreased by 31% after the intervention and the decrease was significantly greater (p = .02) than for control households. Similarly, avoidable food waste decreased by 30% in treatment households and was also significantly greater (p = .05) than for control households. Key determinants of treatment household avoidable food waste reduction included personal attitudes, perceived behavioral control, the number of people in a household, and the amount of garbage set out.
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