Reduction in sugar-sweetened beverages is not associated with more water or diet drinks
Veitch, Jenny, Singh, Amika, van Stralen, Maartje, Van Mechelen, Willem, Brug, Johannes and ChinAPaw, Mai JM 2011, Reduction in sugar-sweetened beverages is not associated with more water or diet drinks, Public health nutrition, vol. 14, no. 8, pp. 1388-1393.
Objective The Dutch Obesity Intervention in Teenagers (DOiT) is a school-based randomised controlled trial that was effective in decreasing the consumption of sugar-sweetened beverages among adolescents. The present study examined, using mediation analysis, whether this decrease in consumption of sugar-sweetened beverages could be explained by an increase in the consumption of water or diet drinks.
Design Participants completed a questionnaire about their beverage consumption at baseline and at 8 months (immediately post-intervention), 12- and 20-month follow-ups. A series of multi-level linear regression analyses were performed to examine water and diet drink consumption as potential mediators of the intervention effect on the consumption of sugar-sweetened beverages.
Setting Eighteen Dutch secondary schools. Subjects A total of 747 adolescents (mean age: 12·7 years). Results In addition to the DoiT intervention effect of a reduction in the consumption of sugar-sweetened beverages at 8 months (−284 ml/d; 95 % CI −420, −148) and 12 months (−260 ml/d; 95 % CI −360, −160), there was also a significant reduction in diet drinks at 8 months (−52 ml/d; 95 % CI −89, −16). There was no significant difference in water consumption at any follow-up. The decrease in sugar-sweetened beverage consumption could not be explained by an increase in water or diet drink consumption at any time point.
Conclusions Interventions aimed at reducing sugar-sweetened beverage consumption may be effective without changing consumption of other beverages. Reducing sugar-sweetened beverages was, however, a main message of the DOiT intervention. It is possible that a concomitant promotion of water may have resulted in a greater increase in water intake and replacement of sugar-sweetened beverages with water.
Published on 29 September 2010
Field of Research
111199 Nutrition and Dietetics not elsewhere classified
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