Abstract
Low self-control and financial strain may limit individuals’ capacity to resist temptations in the local food environment. We investigated the moderating role of self-control and financial strain in the relation between the food environment and higher body weight. We used data from 2812 Dutch adults who participated in the population-based GLOBE study in 2014. Participants’ home addresses and the location of food retailers in 2013 were mapped using GIS. The density of fast food retailers and the totality of food retailers in Euclidean buffers of 250, 400 and 800 m around the home were linked to body mass index and overweight status. A higher density of fast food outlets (B (95% confidence interval (CI)) = −0.04 (−0.07; −0.01)) and the totality of food outlets (B (95% CI) = −0.01 (−0.01; −0.00)) were associated with a lower body mass index. Stratification showed that associations were strongest for those experiencing low self-control or great financial strain. For example, every additional fast food outlet was associated with a 0.17 point lower BMI in those with great financial strain, while not significantly associated with BMI in those with no financial strain. In conclusion, we did find support for a moderating role of self-control and financial strain, but associations between the food environment and weight status were not in the expected direction.
Highlights
Local food environments are part of the complex web of factors that influence food choices and obesity [1,2,3,4,5,6]
Building on the evidence that both low self-control and high financial strain are linked to unhealthier lifestyle behaviours and increased body weight [27,28,29,30,31,32], we aimed to examine whether associations between the local food environment and weight status differed across levels of self-control and financial strain
A higher density of fast food outlets or totality of food outlets was mainly associated with a lower body mass index in individuals experiencing great financial strain (B = −0.17, 95% CI = −0.33; −0.02) and low self-control
Summary
Local food environments are part of the complex web of factors that influence food choices and obesity [1,2,3,4,5,6]. Living in an ‘obesogenic environment’ with high accessibility to energy-dense and ultra-processed foods and repeated exposure to food cues such as advertisements, smells and promotions increases the likelihood that individuals indulge themselves [8]. These temptations—i.e., the omnipresence of tempting food cues —distract from long-term health objectives including healthy diet and body weight. Public Health 2019, 16, 674; doi:10.3390/ijerph16040674 www.mdpi.com/journal/ijerph
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