Dietary intake
Table 3 shows changes in dietary intake at each time point. The trend for changes in energy intake was not significant at either 2 or 6 mo. The only difference among the groups was between the omni and vegan groups at 6 month with vegan participants decreasing their energy intake more than omni participants (P ¼ 0.02). Vegan participants decreased their percent energy from protein more than did the pesco-veg, semi-veg, and omni groups at 2 mo but the between-group contrasts were not significant at 6 mo. Vegan participants also decreased their fat and saturated fat more than did the pesco-veg, semi-veg, and omni groups at both 2 and 6 mo. Opposite of the direction of fat intake, carbohydrate intake increased incrementally examining the groups from omni up through vegan at both 2 and 6 mo. Vegan participants had greater increases in carbohydrate intake compared with pesco-veg at 2 mo and compared with semi-veg and omni at both 2 and 6 mo. Vegan participants increased their fiber intake more than omni participants at 2 mo. Vegans had a greater decrease in cholesterol intake compared with pesco-veg, semi-veg, and omni participants at both time points. Adherence to the dietary recommendations did not differ by diet group at either 2 or 6 mo (Table 3).