The prediabetic patients showed substantial improvement from baseline to @-month follow-up in vegetable intake ( @ % , @/@ vs @ % , @/@ ) , calorie intake ( @ % , @/@ vs @ % , @/@ ) , leisure-time exercises ( @ % , @/@ vs @ % , @/@ ) , body weight ( mean @ kg , SD @ vs mean @ kg , SD @ ) , and body mass index ( mean @ kg/m ( @ ) , SD @ vs mean @ kg/m ( @ ) , SD @ ) .