Background and Objectives：The present study aimed to investigate the associations of psychosocial predictors with fruit and vegetable consumption in sex / age group of Japanese. Methods and Study Design：From October 2011 to June 2013, a self-administered questionnaire was completed by 3,179 participants who aged 18 years or older in four regions in Japan as cross sectional study. Results and Conclusion：Older generation's self-reported intake of vegetables and fruits was biggest amounts than other generation. We found that those with high self-reported intakes of vegetables had high scores for "self-efficacy" and "attitude" and low "perceived barriers"scores in all generations. On the other hand, self-reported fruit intake was affected by "self-efficacy" and "attitude" in all generations. It is found that "social support" is important for 18-20 years generation's fruit intake. OR of psychosocial determinants including "responsibility","self-efficacy", "perceived barriers", "attitude" and "knowledge" differed among females generation,whereas there were no differences in men. Result of this study is indicated we need to make efforts to increase the intake of vegetables and fruits under the considering gender and generations.

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