Evaluation of an interactive, internet-based weight loss program: A pilot study

The Internet can access a large number of con-sumers in a more cost-effective manner than other information delivery channels. In this pi-lot study, we assessed whether an online weight reduction program including dietary advice plus exercise (ED) was more effective in reduc-ing weight than an exercise-only program (EX)>12 weeks. Participants were randomized to ei-ther the ED or EX group and attended a center for anthropometric measurements and dietary assessment. Both groups wore a pedometer and set weekly goals to increase daily steps through an interactive Web site. The ED group set weekly dietary goals via the Web site and re-ceived tailored e-mail assistance. Seventy-three participants commenced and 53 (73%) com-pleted the study [EX n 5 26; ED n 5 27; body mass index—mean (standard deviation): 29.7 (2.5) kg m22, age 46.3 (10.8); 21 % male]. Per-cent weight changes were EX, 2.1 (0.6) % an