行为体重控制计划后，高脂肪和低脂肪食物的家庭供应差异因地区而异而非种族差异。
Differences in home food availability of high- and low-fat foods after a behavioral weight control program are regional not racial.
机构信息
Fay W, Boozman College of Public Health, University of Arkansas for Medical Sciences, Little Rock, AR, USA.
出版信息
Int J Behav Nutr Phys Act. 2010 Sep 24;7:69. doi: 10.1186/1479-5868-7-69.
BACKGROUND
Few studies, if any, have examined the impact of a weight control program on the home food environment in a diverse sample of adults. Understanding and changing the availability of certain foods in the home and food storage practices may be important for creating healthier home food environments and supporting effective weight management.
METHODS
Overweight adults (n = 90; 27% African American) enrolled in a 6-month behavioral weight loss program in Vermont and Arkansas. Participants were weighed and completed measures of household food availability and food storage practices at baseline and post-treatment. We examined baseline differences and changes in high-fat food availability, low-fat food availability and the storage of foods in easily visible locations, overall and by race (African American or white participants) and region (Arkansas or Vermont).
RESULTS
At post-treatment, the sample as a whole reported storing significantly fewer foods in visible locations around the house (-0.5 ± 2.3 foods), with no significant group differences. Both Arkansas African Americans (-1.8 ± 2.4 foods) and Arkansas white participants (-1.8 ± 2.6 foods) reported significantly greater reductions in the mean number of high-fat food items available in their homes post-treatment compared to Vermont white participants (-0.5 ± 1.3 foods), likely reflecting fewer high-fat foods reported in Vermont households at baseline. Arkansas African Americans lost significantly less weight (-3.6 ± 4.1 kg) than Vermont white participants (-8.3 ± 6.8 kg), while Arkansas white participants did not differ significantly from either group in weight loss (-6.2 ± 6.0 kg). However, home food environment changes were not associated with weight changes in this study.
CONCLUSIONS
Understanding the home food environment and how best to measure it may be useful for both obesity treatment and understanding patterns of obesity prevalence and health disparity.
背景
在多样化的成年人样本中，几乎没有研究（如果有的话）考察体重控制计划对家庭食物环境的影响。了解和改变家庭中某些食物的供应以及食物储存方式，可能对于创造更健康的家庭食物环境和支持有效的体重管理非常重要。
方法
在佛蒙特州和阿肯色州，超重成年人（n=90；27%为非裔美国人）参加了一项为期 6 个月的行为减肥计划。参与者在基线和治疗后进行体重测量，并完成家庭食物供应和食物储存实践的测量。我们检查了高脂肪食物供应、低脂肪食物供应和易见位置食物储存的基线差异和变化，整体以及按种族（非裔美国人和白人参与者）和地区（阿肯色州或佛蒙特州）进行了检查。
结果
在治疗后，整个样本报告说在家里明显位置储存的食物明显减少（-0.5±2.3 种食物），但组间无显著差异。阿肯色州的非裔美国人（-1.8±2.4 种食物）和阿肯色州的白人参与者（-1.8±2.6 种食物）报告说，他们家里可获得的高脂肪食物数量在治疗后明显减少，而佛蒙特州的白人参与者则减少了 0.5±1.3 种食物，这可能反映了佛蒙特州家庭报告的高脂肪食物较少。阿肯色州的非裔美国人体重减轻明显少于佛蒙特州的白人参与者（-3.6±4.1 公斤），而阿肯色州的白人参与者与任何一组在体重减轻方面都没有显著差异（-6.2±6.0 公斤）。然而，在这项研究中，家庭食物环境的变化与体重变化无关。
结论
了解家庭食物环境以及如何最好地测量它，对于肥胖治疗和理解肥胖流行和健康差异的模式可能是有用的。
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