Sjoberg Sara, Kim Kyungwon, Reicks Marla
Department of Food Science and Nutrition, University of Minnesota, St. Paul, MN 55108, USA.
J Nutr Elder. 2004;23(4):35-46. doi: 10.1300/J052v23n04_03.
This study applied the Theory of Planned Behavior to fruit and vegetable intake among older adults. A cross-sectional questionnaire was administered to older adults (N = 205, mean age = 77 years) at senior centers. Most were women (74%), white (77%), and had >/= 12 years of education. Regression analyses showed that the theory constructs explained more than 40% and 18% (p < 0.0001) of the variance in intention and reported intake of fruits and vegetables, respectively. Perceived behavioral control was most important in explaining both intention and intake, followed by attitudes and subjective norms. Important control beliefs were related to convenience, preferences, time, and availability when eating out. These beliefs should be addressed in education for older adults to increase fruit and vegetable intake.
本研究将计划行为理论应用于老年人的果蔬摄入量研究。对老年中心的老年人（N = 205，平均年龄 = 77岁）进行了横断面问卷调查。大多数为女性（74%），白人（77%），且接受过≥12年教育。回归分析表明，该理论结构分别解释了意图和报告的果蔬摄入量差异的40%以上和18%（p < 0.0001）。感知行为控制在解释意图和摄入量方面最为重要，其次是态度和主观规范。重要的控制信念与外出就餐时的便利性、偏好、时间和可获得性有关。在针对老年人的教育中应解决这些信念问题，以增加果蔬摄入量。
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