School of Psychology and Neuroscience, University of Glasgow, UK; Center for Adaptive Rationality, Max Planck Institute for Human Development, Berlin, Germany.
MTÜ Toetus, Keskväljak 10, Keila, Estonia.
Appetite. 2023 Aug 1;187:106579. doi: 10.1016/j.appet.2023.106579. Epub 2023 May 4.
We examined the impact of a COVID-19 lockdown in England on the frequency of consumption occasions and amount of soft drinks consumed. Beverage consumption is strongly associated with specific, often social, consumption situations (e.g., going out). We reasoned that lockdown would affect consumption behaviour because it removed typical soft drink consumption situations. Specifically, we hypothesised that soft drink consumption occasions and amount would be reduced during lockdown compared to before and after lockdown, especially in typical soft drink consumption situations. In two surveys (Dec. 2020 and May 2021) among the same participants (N = 211, N = 160; consuming soft drinks at least once/week), we assessed the frequency of soft drink and water consumption occasions before, during, and after the Nov./Dec. 2020 lockdown, across typical soft drink and water drinking situations. This presents a detailed picture of the situations in which participants drink soft drinks and water, and how this was affected by a lockdown. We also assessed the daily amount of soft drinks and water consumed in each period, and perceived habitualness of drinking soft drinks and water. As predicted, participants reported fewer occasions of drinking soft drinks during lockdown compared to before and after, especially in typical soft drink consumption situations. Unexpectedly, however, the daily amount of soft drinks consumed increased during lockdown, compared to before and after, especially among participants with stronger perceived habitualness of soft drink consumption. Exploratory analyses suggest that during lockdown, participants increased their soft drink consumption at home. Water consumption, on the other hand, was not systematically affected by the lockdown. These findings suggest that even if some typical consumption situations disappear, consumption may be hard to disrupt if the behaviour is rewarding.
我们研究了英格兰 COVID-19 封锁对消费频率和软饮料摄入量的影响。饮料消费与特定的、通常是社交的消费情况密切相关（例如外出）。我们认为封锁会影响消费行为，因为它消除了典型的软饮料消费情况。具体来说，我们假设在封锁期间，软饮料消费次数和数量会比封锁前和封锁后减少，尤其是在典型的软饮料消费情况下。在两项针对同一参与者（N=211，N=160；至少每周饮用一次软饮料）的调查中（2020 年 12 月和 2021 年 5 月），我们评估了在 2020 年 11/12 月封锁前后，在典型的软饮料和水饮用情况下，软饮料和水的消费次数。这详细描绘了参与者饮用软饮料和水的情况，以及封锁如何影响这些情况。我们还评估了每个时期软饮料和水的日摄入量，以及习惯性饮用软饮料和水的感知程度。不出所料，与封锁前和封锁后相比，参与者报告在封锁期间饮用软饮料的次数减少，尤其是在典型的软饮料消费情况下。然而，令人意外的是，与封锁前和封锁后相比，封锁期间软饮料的日摄入量增加，尤其是在习惯性饮用软饮料程度较强的参与者中。探索性分析表明，在封锁期间，参与者增加了在家中的软饮料消费。另一方面，水的消费并没有受到封锁的系统影响。这些发现表明，即使一些典型的消费情况消失了，如果行为是有回报的，那么消费可能很难被打乱。
