College of Nursing, The Ohio State University, Columbus, OH 43210, USA.
School of Nursing, University of Wisconsin-Madison, Madison, WI 53705, USA.
Nutrients. 2020 Nov 24;12(12):3606. doi: 10.3390/nu12123606.
This secondary analysis study addressed a gap of knowledge: whether perceived stress reduction created by a lifestyle intervention might serve as a mediator for reducing fat and fast food intakes in low-income overweight or obese mothers of young children. This analysis included 338 low-income overweight or obese mothers of young children who completed a phone interview immediately after the 16-week lifestyle intervention. Valid surveys were used to assess perceived stress and fat and fast food intakes. Composite indicator structural equation modeling was performed to test the mediation effects. The overall effect of the intervention was not significant for fat intake but was significant for fast food intake (B = -0.53, < 0.05). When assessing the potential role of perceived stress as a mediator, the indirect effects of the intervention on fat (B = -0.39, < 0.01) and fast food (B = -0.27, < 0.01) intakes were both significant. Future dietary intervention studies aimed to reduce fat and fast food intakes in low-income overweight or obese mothers of young children might consider including practical strategies aimed at reducing perceived stress.
生活方式干预减轻的感知压力是否可作为减少低收入超重或肥胖幼儿母亲脂肪和快餐摄入量的中介。该分析纳入了 338 名完成 16 周生活方式干预后立即进行电话访谈的低收入超重或肥胖幼儿母亲。采用有效调查评估感知压力以及脂肪和快餐摄入量。采用综合指标结构方程模型检验中介效应。干预对脂肪摄入量的总体效果不显著，但对快餐摄入量的效果显著（B = -0.53，<0.05）。在评估感知压力作为中介的潜在作用时，干预对脂肪（B = -0.39，<0.01）和快餐（B = -0.27，<0.01）摄入量的间接影响均显著。未来旨在减少低收入超重或肥胖幼儿母亲脂肪和快餐摄入量的饮食干预研究可能需要考虑纳入旨在减轻感知压力的实用策略。
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