- a reduction in liquid calorie intake was significantly associated with weight loss at both six months and 18 months;
- the weight-loss effect of a reduction in liquid calorie intake was stronger than that of a reduction in solid calorie intake;
- a reduction in sugar-sweetened beverage intake was significantly associated with weight loss at both six and 18 months;
- and no other beverage type was associated with weight change.
The findings are published in May 1 issue of the American Journal of Clinical Nutrition.