Ingrid H. M. Steenhuis

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BACKGROUND To assess the relative validity of a short food frequency questionnaire, the Fat list, to be used in (the evaluation of) nutrition education programmes. METHODS Forty-five adults and 50 adolescents (12-18 years old) completed the Fat list at home, and subsequently kept diet records for seven subsequent days. RESULTS Pearson correlations of(More)
The impact of two computer-tailored nutrition education interventions was assessed and compared in a randomized trial among 315 subjects with a pre-test-post-test comparison group design. Respondents in both the experimental and the comparison group received feedback tailored to their consumption of fat, fruit and vegetables. Respondents in the experimental(More)
The objective of the study was to develop and validate a 21-item nutrition knowledge test to measure people's knowledge of the fat content of food-products. After pretesting and provisional development, the test was administered twice to study test-retest reliability. Furthermore, various sub-populations with expected differences in nutrition knowledge(More)
BACKGROUND Nutrition education tailored to individual characteristics of people might be more effective than general nutrition education. Nowadays, the use of computers makes individualized feedback available for larger groups. METHODS The impact of tailored nutrition information on changes in fat, vegetable, and fruit consumption was tested in a(More)
Several factors within the food environment may stimulate overconsumption. The present study aimed to (1) identify behavioural strategies to cope with this environment to control the amount of food consumed, (2) examine the feasibility and usefulness of the strategies, and (3) evaluate the association between the strategies and body mass index (BMI). After(More)
The purpose of this study was to assess conditions for the adoption and continued implementation of different healthy nutrition programmes in worksite cafeterias and supermarkets, i.e. an educational programme and two environmental programmes (a food labelling programme and a food supply programme). Twenty semi-structured interviews were conducted with(More)
BACKGROUND Food portion sizes influence energy intake. PURPOSE The purpose of this paper is to determine effectiveness of the "PortionControl@HOME" intervention on body mass index and portion control behavior. METHODS A randomized controlled trial among 278 overweight and obese participants was conducted. PortionControl@HOME aimed to increase: portion(More)
PURPOSE OF REVIEW The aim of this review is to provide an overview of (1) underlying mechanisms of the effect of portion size on energy intake, (2) external factors explaining the portion size effect and (3) interventions and measurements aimed at food portion size. RECENT FINDINGS Previous studies have shown that portion sizes have increased in recent(More)