An integrative model exploring normative, situational, attitudinal and self-related determinants of household food waste separation intention and habit and intention to deposit waste at disposal centres / Modelo integrador para explorar los determinantes normativos, situacionales, actitudinales y relacionados con el yo de la intención y el hábito de separar residuos alimentarios en el hogar, y de la intención de depositar

Abstract

Faced with increasing waste production, authorities are seeking to encourage better household waste management and need to identify levers for change. We propose a model integrating the major determinants of pro-environmental behaviour assumed in prominent theoretical models. Based on meta-analytical evidence, we incorporated situational, normative, attitudinal and self-processes and tested this integrative model to predict intentions to perform two overlooked behaviours: food waste separation and deposit at waste disposal centres. To go beyond intention we also investigated habits to sort food waste. An online survey was administered to two samples ( Ntotal = 2,814) and data were analysed using structural equation modelling. The results showed a good fit of an integrative model ( CFIs > .917; TLIs > .910; RMSEAs < .043; SRMRs < .071). Waste management intentions and habits are directly predicted mainly by personal norms and perceived behavioural control. The latter is predicted by facilitating conditions and pro-environmental identity. Personal norms are predicted by social norms, pro-environmental identity and perceived behavioural control. Our results confirm the relevance of a model integrating situational, normative, attitudinal and self-processes to explain waste management intentions and provide a basis for the development of waste management interventions.