There were no differences in baseline demographic charac- teristics or BMI among the five groups with the exception of age and percent energy from dietary fat (Table 2). Attrition did not significantly differ by diet group. One participant in the vegan group was diagnosed with insulin-resistant polycystic ovary syndrome and hypothyroidism during the first month of the study and began treatment with levothyroxine and metformin. Because both of these conditions and/or medications were
Fig. 2. Percent weight loss ( SE) during 6-mo New DIET’s trial by diet group. New
DIET, New Dietary Interventions to Enhance the Treatments. *P trend < 0.01.
reasons for exclusion from the study (as a result of their potential effect on body weight), this participant was excluded from weight loss analyses, but was included in physical activity and dietary outcomes.