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. Author manuscript; available in PMC: 2006 Feb 17.
Published in final edited form as: N Engl J Med. 2002 Feb 7;346(6):393–403. doi: 10.1056/NEJMoa012512

Figure 1.

Figure 1.

Changes in Body Weight (Panel A) and Leisure Physical Activity (Panel B) and Adherence to Medication Regimen (Panel C) According to Study Group.

Each data point represents the mean value for all participants examined at that time. The number of participants decreased over time because of the variable length of time that persons were in the study. For example, data on weight were available for 3085 persons at 0.5 year, 3064 at 1 year, 2887 at 2 years, and 1510 at 3 years. Changes in weight and leisure physical activity over time differed significantly among the treatment groups (P<0.001 for each comparison).