They used a pocket sized “Keeping Track” booklet, developed for the DPP that had spaces for recording 7 days of food intake with fat and calorie values, as well as physical activity. Participants were also given “The DPP Lifestyle Balance Fat Counter” booklet, which indicated the fat and calorie content for >1,500 alphabetized food names, including regional/ethnic foods suggested by DPP sites for their local population.