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Induced changes in the consumption of coffee alter ad libitum dietary intake and physical activity level

Published online by Cambridge University Press:  09 March 2007

Annhild Mosdøl ,
Benedicte Christensen ,
Lars Retterstøl  and
Dag S. Thelle
Annhild Mosdøl*
Affiliation:
Section for Preventive Medicine and Epidemiology, Department of General Practice and Community Medicine, University of Oslo, Norway
Benedicte Christensen
Affiliation:
Department of Medical Genetics, Ullevål University Hospital, Oslo, Norway
Lars Retterstøl
Affiliation:
Institute of Medical Genetics, University of Oslo, Norway
Dag S. Thelle
Affiliation:
Department of Epidemiology and Health Surveillance, Ullevål University Hospital, Oslo, Norway Institute of Cardiovascular Diseases, Sahlgrenska University Hospital, Göteborg, Norway
*
*Corresponding author: A. Mosdøl, fax +47 22 85 05 20, email annhild.mosdol@samfunnsmed.uio.no
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Abstract

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Dietary trials with subjects on a freely selected diet may be affected by unwanted behavioural changes. Few studies, if any, have examined changes in coffee consumption and possible concomitant changes in diet and health-related habits. The aim of the present study was to examine whether induced changes in coffee consumption lead to changes in food habits and leisure-time physical activity. Healthy, non-smoking coffee-drinkers (n 214) were asked to change their coffee habits in a controlled clinical trial on the metabolic effects of coffee. The participants were asked to maintain their usual dietary habits. Self-perceived changes in diet and physical activity during the 6-week intervention period were assessed at the end. In the analyses, the participants were rearranged into groups reflecting the difference in coffee intake during the trial as compared with habitual intake. Associations with changes in food intake or physical activity were analysed by Spearman rank correlation. Changes in intake of ‘chocolate, sweets’ (r 0·179, P<0·05), ‘cakes, sweet biscuits, pastry’ (r 0·306, P<0·001), and ‘jam’ (r 0·198, P<0·05) showed positive associations with change in coffee intake during the trial. Negative associations were found for ‘dishes with fish’ (r -0·204, P<0·01) and many of the drinks as well as with physical activity (r -0·164, P<0·05). Induced changes in coffee intake seem to alter ad libitum intake of several foods. The recognized associations between health behaviours may have physiological explanations.

Keywords

CoffeeDietFood preferencesPhysical activity
Type
Research Article
Information
British Journal of Nutrition , Volume 87 , Issue 3 , March 2002 , pp. 261 - 266
Copyright
Copyright © The Nutrition Society 2002

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