Healthier food choices as a result of the revised healthy diet programme Krachtvoer for students of prevocational schools

International Journal of Behavioral Nutrition and Physical Activity

Nanne K de Vries¹  Mark de Rooij⁴  Lieke GM Raaijmakers⁵  Theo GWM Paulussen²  Marloes K Martens³  Patricia van Assema⁵  Kathelijne MHH Bessems⁵ 

[1] CAPHRI School for Public Health and Primary Care, Department of Health Promotion, Maastricht University Medical Centre+, P.O. Box 616, 6200, MD, Maastricht, The Netherlands;TNO (Netherlands Organisation of Applied Scientific Research) Quality of Life, Leiden, the Netherlands, Postbus 2215, 2301, CE, Leiden, The Netherlands;ResCon, Rijswijkstraat 175, 1062, EV, Amsterdam, the Netherlands;Psychological Institute, Methodology and Statistics group, Leiden University, Wassenaarseweg 52, 2333, AK, Leiden, the Netherlands;NUTRIM School for Nutrition, Toxicology, and Metabolism, Department of Health Promotion, Maastricht University Medical Centre+, P.O. Box 616, 6200, MD, Maastricht, The Netherlands

关键词: Dietary effects;    Nutrition;    School programme;   

Others  :  824929
DOI  :  10.1186/1479-5868-9-60

 received in 2011-06-28, accepted in 2012-05-01,  发布年份 2012

【 摘 要 】

Background

Krachtvoer is a Dutch healthy diet programme for prevocational schools, developed in 2001 and revised for a broader target group in 2007, based on the findings of an evaluation of the first version. The goal of this study was to report on the short- and longer-term total and subgroup effects of the revised programme on students’ fruit, fruit juice, breakfast, and snack consumption.

Methods

Schools were randomized to the experimental condition, teaching the Krachtvoer programme, or to the control condition teaching the regular nutrition lessons. Self-reported consumption of fruit, fruit juice, breakfast and snacks was measured at baseline directly before programme implementation, one to four weeks after finishing programme implementation, and after six months. Mixed linear and logistic regression analyses were conducted.

Results

In total 1117 students of 13 experimental schools and 758 students of 11 control schools participated in the study. Short- and longer-term favourable intervention effects were found on fruit consumption (mean difference between experimental and control group 0.15 servings at both posttests). Regarding fruit juice consumption, only short-term favourable effects were revealed (mean difference between experimental and control group 0.05 glasses). Intervention effects on breakfast intakes were limited. No changes in snack frequency were reported, but students made healthier snack choices as a result of the programme. Some favourable as well as unfavourable effects occurred in subgroups of students.

Conclusions

The effects on fruit consumption and snack choices justify the current nationwide dissemination of the programme. Achieving changes in breakfast consumption may, however, require other strategies.

【 授权许可】

   
2012 Bessems et al.; licensee BioMed Central Ltd.

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