Associations of self-efficacy, social support, and knowledge with fruit and vegetable consumption in Japanese workers

Osamu Kushida ； Yae Iriyama ； Nobuko Murayama ； Toshiko Saito ； Katsushi Yoshita

《Asia Pacific Journal of Clinical Nutrition》 預刊文章 Pp. b1-13

https://doi.org/10.6133/apjcn.062016.06

並列摘要

Objective: Previous studies have suggested that self-efficacy, social support, and knowledge are primary psychosocial predictors of dietary behavior in adults. The present study aimed to investigate the associations of self-efficacy, social support, and knowledge with fruit and vegetable consumption in Japanese workers. Methods: From September to November 2014, a self-administered questionnaire was completed by Japanese workers at 8 workplaces in Niigata, Japan. Self-efficacy and social support for fruit and vegetable consumption were measured using a 3-item Likert scale across particular situations. Knowledge was measured using a single item about the recommended guidelines for fruit and vegetable consumption in Japan. Fruit and vegetable consumption was assessed using a validated, brief-type self-administered diet history questionnaire. Results: Of the 457 respondents, 395 participants’ data were analyzed. Scores in self-efficacy and social support showed a significant and positive association with fruit (p＜0.001, =0.002) and vegetable consumption (p=0.001, =0.015). Knowledge was significantly and positively associated with vegetable consumption (p=0.015) but did not statistically differ in fruit consumption (p=0.645). Conclusions: The findings of this study suggest that self-efficacy and social support are positively associated with fruit and vegetable consumption in Japanese workers.

並列關鍵字

fruit ； vegetables ； self-efficacy ； social support ； knowledge