Small school-based effectiveness trials increase vegetable and fruit consumption among youth.

This article profiles a research initiative of state health agency-initiated 5 A Day school-based interventions. Four of the seven projects reviewed had significant results, with an average effect size of 0.4 servings of vegetables and fruit.

Changes in vegetable and fruit consumption and awareness among US adults: results of the 1991 and 1997 5 A Day for Better Health Program surveys.

Objective: The purpose of this study is to assess population-based changes in vegetable and fruit consumption and psychosocial correlates.

Design: Two nationally representative random digit dial surveys conducted in 1991 and 1997; respondents were queried regarding consumption of and attitudes and knowledge about vegetables and fruit.

Subjects/setting: Respondents were 2,755 and 2,544 adults (in 1991 and 1997, respectively) older than 18 years.