Network for a Healthy California, California Department of Public Health and Public Health Institute, Sacramento, CA, USA.
J Nutr Educ Behav. 2011 Jul-Aug;43(4 Suppl 2):S113-21. doi: 10.1016/j.jneb.2011.04.003.
To examine the impact of fresh fruit availability at worksites on the fruit and vegetable consumption and related psychosocial determinants of low-wage employees.
A prospective, randomized block experimental design.
Seven apparel manufacturing and 2 food processing worksites.
A convenience sample of 391 low-wage employees in 6 intervention worksites and 137 low-wage employees in 3 control worksites in Los Angeles, CA.
Fresh fruit deliveries with enough for 1 serving per employee, 3 days a week for 12 consecutive weeks. The control worksites did not receive the fruit deliveries.
Participants' fruit and vegetable consumption, fruit and vegetable purchasing habits, self-efficacy, job satisfaction, and overall health were measured at baseline, weeks 4 and 8, and following the 12-week intervention.
Descriptive statistics and growth curve analysis using hierarchical linear modeling were employed to analyze the data.
Participants in the intervention worksites showed a significant increase in fruit, vegetable, and total fruit and vegetable consumption, purchasing of fruit, family purchasing of vegetables, and self-efficacy toward eating 2 servings of fruit each day compared to the control worksites.
Improving access to fruit during the workday can improve fruit and vegetable consumption, purchasing habits, and self-efficacy of low-income employees.
考察工作场所新鲜水果供应对低薪员工水果和蔬菜消费及相关心理社会决定因素的影响。
前瞻性、随机分组实验设计。
7 家服装制造和 2 家食品加工工厂。
加利福尼亚州洛杉矶 6 个干预工厂的 391 名低薪员工和 3 个对照工厂的 137 名低薪员工的便利样本。
每周 3 天，向员工提供足够的新鲜水果，每人 1 份，连续 12 周。对照工厂没有收到水果。
参与者在基线、第 4 周和第 8 周以及 12 周干预后测量水果和蔬菜摄入量、水果和蔬菜购买习惯、自我效能、工作满意度和整体健康状况。
采用分层线性建模的描述性统计和增长曲线分析来分析数据。
与对照组相比，干预组的参与者在水果、蔬菜、水果和蔬菜总摄入量、水果购买量、家庭购买蔬菜量以及每天食用 2 份水果的自我效能方面均有显著增加。
改善工作日期间获取水果的机会可以提高低收入员工的水果和蔬菜消费、购买习惯和自我效能。
