Low-Carb Diet, 71. This diet focuses on general restriction of carbohydrate-containing foods.
Atkins Diet, 70. Followers restrict carbohydrate-containing foods initially. Then they gradually re-introduce some.
Slim-Fast, 60. Users eat or drink Slim-Fast shakes, bars, and snacks. They also eat some ''regular'' food.
Weight Loss, Satisfaction Not Linked
"Weight loss didn't correlate well with satisfaction," Metcalf says. Dieters balanced weight loss with other factors, she says, such as how easy the plan was to follow.
Overall, men lost more than women did, she found. Overall, the median loss (half more, half less) was 18 pounds for men and 15 for women. However, that loss was often enough to move from the obese category to overweight or the overweight to healthy weight category.
Those people on Medifast lost more than those on any other diet. Men lost 20 to 43 pounds; women, 14 to 40.