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Health Promot Pract. 2012 Sep;13(5):608-16. doi: 10.1177/1524839910390357. Epub 2012 Jan 30.

Exposure to multiple components of a garden-based intervention for middle school students increases fruit and vegetable consumption.

Author information

1
University of Texas School of Public Health, Austin, USA.

Abstract

OBJECTIVES:

(1) To measure the effects of different levels of exposure to a multiple-component garden-based intervention on middle school students' fruit and vegetable (F&V) consumption and related variables and (2) to determine the separate effects of each of the intervention components on F&V consumption.

DESIGN:

Unequal treatment-control posttest only.

SETTING:

Five middle schools in ethnically diverse communities.

PARTICIPANTS:

Two hundred and forty-six adolescents (59% Hispanic; 70% low-income). Intervention. The Sprouting Healthy Kids intervention consists of six components: (1) in-class lessons, (2) after-school gardening program, (3) farm-to-school, (4) farmers' visits to schools, (5) taste testing, (6) field trips to farms.

OUTCOME MEASURES:

F&V consumption; motivation for eating F&V; self-efficacy for eating F&V; F&V preference; preference for unhealthy foods; knowledge.

ANALYSIS:

Linear regression models controlling for gender, ethnicity/race, and income.

RESULTS:

Compared with students who were exposed to less than two intervention components, students who were exposed to two or more components scored significantly higher on F&V intake, self-efficacy, and knowledge and lower on preference for unhealthy foods (p < .05). The farmers' visits, taste testing, and cafeteria components had the largest effect sizes but were not significant.

CONCLUSIONS AND IMPLICATIONS:

Interventions targeting adolescent F&V behavior change should include multiple components such as farmers' visits to the school and taste testing.

PMID:
22290584
DOI:
10.1177/1524839910390357
[Indexed for MEDLINE]

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