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Public Health Nutr. 2010 Oct;13(10):1629-35. doi: 10.1017/S136898000999303X. Epub 2010 Jan 15.

A worksite programme significantly alters nutrient intakes.

Author information

1
Washington Center for Clinical Research, Washington, DC 20016, USA. slevin@pcrm.org

Abstract

OBJECTIVE:

To examine whether a worksite nutrition programme using a low-fat vegan diet could significantly improve nutritional intake.

DESIGN:

At two corporate sites of the Government Employees Insurance Company, employees who were either overweight (BMI > or = 25 kg/m2) and/or had type 2 diabetes participated in a 22-week worksite-based dietary intervention study.

SETTING:

At the intervention site, participants were asked to follow a low-fat vegan diet and participate in weekly group meetings that included instruction and group support (intervention group). At the control site, participants received no instruction (control group). At weeks 0 and 22, participants completed 3 d dietary records to assess energy and nutrient intake.

SUBJECTS:

A total of 109 participants (sixty-five intervention and forty-four control).

RESULTS:

In the intervention group, reported intake of total fat, trans fat, saturated fat and cholesterol decreased significantly (P < or = 0.001), as did energy and protein (P = 0.01), and vitamin B12 (P = 0.002), compared with the control group. Intake (exclusive of any use of nutritional supplements) of carbohydrate, fibre, vitamin C, magnesium and potassium increased significantly (P < or = 0.0001), as did that for beta-carotene (P = 0.0004), total vitamin A activity (P = 0.004), vitamin K (P = 0.01) and sodium (P = 0.04) in the intervention group, compared with the control group.

CONCLUSIONS:

The present study suggests that a worksite vegan nutrition programme increases intakes of protective nutrients, such as fibre, folate and vitamin C, and decreases intakes of total fat, saturated fat and cholesterol.

PMID:
20074388
DOI:
10.1017/S136898000999303X
[Indexed for MEDLINE]
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