The theory of planned behaviour (TPB) states that food consumption is preceded by an intention, which is shaped by behavioural beliefs and attitudes. To mitigate criticism of the TPB’s lack of cultural context, researchers have tested extended models with culturally specific variables included. This scoping review maps the use of the extended TPB across Western and Non-Western cultures in the context of sustainable food consumption, which includes meat consumption, food waste and organic food purchases. 3924 abstracts and 241 articles were screened. The final review included 95 articles. The number of Western and Non-Western studies was similar, but sample sizes were larger in Western cultures. Generally, the inclusion of culturally specific variables improved models that predicted organic food purchases and food waste, but not for meat consumption. The current findings highlight a lack of consensus regarding the selection of culturally specific variables. Instead, future cross-cultural research that explores similar factors could facilitate the development of a universal model of sustainable food. This model is required to drive a global approach towards encouraging sustainable diets. Incorporating cultural nuances and targeting common core values and attitudes may improve generalisability and efficacy of subsequent interventions that target sustainable food consumption across cultures.

计划行为理论（TPB）指出，食物消费是有意图的，而意图是由行为信念和态度塑造的。为了减轻对 TPB 缺乏文化背景的批评，研究人员测试了包含特定文化变量的扩展模型。本次范围审查描绘了在可持续食品消费背景下，扩展的 TPB 在西方和非西方文化中的使用，其中包括肉类消费、食物浪费和有机食品购买。筛选了 3924 篇摘要和 241 篇文章。最终评审包括95篇文章。西方和非西方研究的数量相似，但西方文化中的样本量更大。一般来说，纳入特定文化变量可以改进预测有机食品购买和食物浪费的模型，但不能预测肉类消费。目前的研究结果表明，对于文化特定变量的选择缺乏共识。相反，未来探索类似因素的跨文化研究可以促进可持续食品通用模型的开发。需要这种模式来推动全球采取鼓励可持续饮食的方法。纳入文化差异并以共同的核心价值观和态度为目标，可以提高针对跨文化可持续食品消费的后续干预措施的普遍性和有效性。