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低收入城市女性对果蔬营养环境的认知与实际果蔬营养环境之间的一致性。

Agreement between the Perceived and Actual Fruit and Vegetable Nutrition Environments among Low-Income Urban Women.

作者信息

Stallings Tiffany L, Gazmararian Julie A, Goodman Michael, Kleinbaum David

出版信息

J Health Care Poor Underserved. 2015 Nov;26(4):1304-18. doi: 10.1353/hpu.2015.0109.

Abstract

The food environment is described by two measures: store-level (actual) and individual-level (perceived). Understanding the relationship between actual and perceived fruit and vegetable (F&V) nutrition environments is important as their association may influence F&V purchases and consumption. The study objective was to assess agreement between perceived and actual environment measures of availability, quality, and affordability/price for fresh and canned/frozen F&V. African American WIC recipients (n=84) self-reported perceptions corresponding to chain food stores (n=13) which were then assessed by surveyors. Nearly 80% of participants had positive perceptions of stores' F&V availability, quality, and affordability. Store assessments indicated high F&V availability and quality and lowest prices for canned varieties. Kappa statistics, sensitivity, and specificity calculated agreement between perceived and actual measures. Results indicated slight to fair agreements. Agreements were highest for quality measures (kappa=0.25 (95% CI:0.08-0.42), p=.008). Research implications include promoting nutrition education and resident interviewing to understand F&V expectations.

摘要

食物环境通过两种指标来描述

商店层面(实际情况)和个体层面(感知情况)。了解实际的和感知到的果蔬营养环境之间的关系很重要,因为它们之间的关联可能会影响果蔬的购买和消费。本研究的目的是评估在新鲜及罐装/冷冻果蔬的可获得性、质量以及可承受性/价格方面,感知环境指标与实际环境指标之间的一致性。非裔美国妇女、婴儿与儿童营养补充计划(WIC)的受助者(n = 84)针对连锁食品店(n = 13)自行报告了相关感知情况,随后由调查员进行评估。近80%的参与者对商店的果蔬可获得性、质量和可承受性持积极看法。商店评估显示,果蔬的可获得性和质量较高,罐装品种的价格最低。通过卡帕统计量、灵敏度和特异度来计算感知指标与实际指标之间的一致性。结果表明一致性为轻微到中等程度。质量指标的一致性最高(卡帕系数=0.25(95%置信区间:0.08 - 0.42),p = 0.008)。研究意义包括推广营养教育以及开展居民访谈,以了解对果蔬的期望。

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