NWCR Demographics
The registry is composed of approximately 80% women. The “average” female participant is 45 years old and currently 145 pounds while the average man is 49 years old and 190 pounds. On average, registry members have lost about 70 pounds and kept it off for five and a half years when joining the registry. However, within the study there is great variation in age, weight loss speed and duration, and amount of weight lost.
Read more about this topic: National Weight Control Registry