适度
消费(社会学)
习惯
心理干预
心理学
过度消费
环境卫生
食物消费
多级模型
回归分析
社会心理学
医学
经济
统计
生产(经济)
数学
社会科学
精神科
社会学
农业经济学
宏观经济学
作者
Alejandro Dominguez Garcia,Barbara Mullan,Indita Dorina
出处
期刊:Appetite
[Elsevier]
日期:2023-11-01
卷期号:190: 107010-107010
标识
DOI:10.1016/j.appet.2023.107010
摘要
Discretionary foods account for over a third of the average adult's total daily energy intake. But its excess consumption is a risk factor for obesity, Type 2 diabetes, and other diet-related diseases. This study aimed to use temporal self-regulation theory (intention, past behaviour, habit, self-regulatory capacity) and food reward sensitivity to identify predictors of discretionary food consumption. Two hundred and seventy-three participants aged between 18 and 80 (M = 42.55, SD = 17.07) comprising of mostly females (79.5%) and those residing in Australia (93.4%), completed a two-part online survey, one week apart. Participants completed measures of intention, past behaviour, habit, self-regulatory capacity, food reward sensitivity and demographic information at time one, and discretionary food consumption at time two. Data was analysed using a hierarchical multiple regression analysis. All variables in combination accounted for a significant 40.3% of the variance in discretionary food consumption (R2 = 0.40, p < .001). However, past behaviour and intention were the only unique significant predictors of discretionary food consumption. No significant moderation effects found. Findings offer insight into the motivators of discretionary food consumption, which can inform the development of effective interventions to reduce discretionary food consumption. Past behaviour should be considered, and intention targeted in interventions to reduce discretionary food consumption.
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