| Summary: | <p class="first" id="d211525e146">An estimated 2.5–5 billion single-use coffee cups are disposed of annually in the
UK, most of which consist of paper with a plastic lining. Due to the difficulty of
recycling poly-coated material, most of these cups end up incinerated or put in landfills.
As drinking (take-away) hot beverages is a behaviour, behaviour change interventions
are necessary to reduce the environmental impacts of single-use coffee cup waste.
Basing the design of interventions on a theoretical understanding of behaviour increases
the transparency of the development process, the likelihood that the desired changes
in behaviour will occur and the potential to synthesise findings across studies. The
present paper presents a methodology for identifying influences on using single-use
and reusable cups as a basis for designing intervention strategies. Two behaviour
change frameworks: The Theoretical Domains Framework (TDF) and the Capability-Opportunity-Motivation-Behaviour
(COMB) model of behaviour, were used to develop an online survey and follow-up interviews.
Research findings can inform the selection of intervention strategies using a third
framework, the Behaviour Change Wheel (BCW). The application of the methodology is
illustrated in relation to understanding barriers and enablers to single-use and reusable
cup use across the setting of a London university campus. We have developed a detailed
method for identifying behavioural influences relevant to pro-environmental behaviours,
together with practical guidance for each step and a worked example. Benefits of this
work include it providing guidance on developing study materials and collecting and
analysing data. We offer this methodology to the intervention development and implementation
community to assist in the application of behaviour change theory to interventions.
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