Overweight or obese ( BMI 25-40kg / m2 ) adults , aged 18-60 years , were recruited from the Hunter Region of NSW , Australia and randomized to one of three groups : a standard online weight loss program ( n = 94 ) ; an enhanced version of this online program that provided additional personalized feedback and reminders ( n = 98 ) ; or a wait-list control group ( n = 97 ) .