农贸市场：与超市的成本比较、妇女婴幼儿补充营养项目（WIC）参与者的使用情况，以及与水果和蔬菜摄入量及相关社会心理变量的关系。
Farmers' markets: costs compared with supermarkets, use among WIC clients, and relationship to fruit and vegetable intake and related psychosocial variables.
作者信息
Wheeler Ashley L, Chapman-Novakofski Karen
机构信息
Department of Food Science and Human Nutrition, University of Illinois, Urbana, IL.
Department of Food Science and Human Nutrition, University of Illinois, Urbana, IL.
出版信息
J Nutr Educ Behav. 2014 May-Jun;46(3 Suppl):S65-70. doi: 10.1016/j.jneb.2013.11.016.
OBJECTIVE
To determine fruit and vegetable (FV) costs at farmers' markets (FMs) and grocery stores, determine Special Supplemental Nutrition Program for Women, Infants, and Children participants' FV intake and psychosocial predictors, and compare FM users and nonusers.
METHODS
Prices were collected biweekly from grocery stores and FM vendors. Participants were recruited from Special Supplemental Nutrition Program for Women, Infants, and Children clinic to complete a survey of FV intake, psychosocial variables, and FM usage.
RESULTS
The FM cost was greater. A total of 377 participants (51%) used FMs. The FM users more often ate vegetables as snacks and > 1 vegetable per day (P < .05).
CONCLUSIONS AND IMPLICATIONS
Despite higher costs, FMs were often used. The FM users had a better vegetable intake pattern.
目的
确定农贸市场和杂货店的果蔬成本，确定妇女、婴儿和儿童特别补充营养计划参与者的果蔬摄入量及心理社会预测因素，并比较农贸市场的使用者和非使用者。
方法
每两周收集杂货店和农贸市场摊贩的价格。从妇女、婴儿和儿童特别补充营养计划诊所招募参与者，以完成一份关于果蔬摄入量、心理社会变量和农贸市场使用情况的调查问卷。
结果
农贸市场的成本更高。共有377名参与者（51%）使用农贸市场。农贸市场的使用者更常将蔬菜作为零食食用，且每天食用超过一种蔬菜（P < 0.05）。
结论与启示
尽管成本较高，但农贸市场仍经常被使用。农贸市场的使用者有更好的蔬菜摄入模式。
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