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Table 2 Energy and macronutrient in takesa reported at age 15y, and at young adulthood (mean age 22.0y).

From: Tracking of physical activity, fitness, body composition and diet from adolescence to young adulthood: The Young Hearts Project, Northern Ireland

  Males (n 245) Females (n 231)
  Baseline Follow-up Baseline Follow-up
  Mean SD Mean SD Mean SD Mean SD
Energy (MJ/d) 13.5 3.2 13.0* 3.5 9.4 2.6 8.3*** 2.4
Protein (g/d) 95.0 25.6 101.2** 27.9 63.9 18.6 68.5** 21.4
% energy from protein 12.0 1.9 12.6*** 2.3 11.6 2.1 13.4*** 2.9
Total fat (g/d) 137.1 38.5 113.2*** 38.3 96.8 30.3 73.3*** 25.0
% energy from fat 37.4 4.3 32.1*** 5.5 37.7 4.3 32.5*** 6.0
Carbohydrate (g/d) 411.6 100.3 368.6*** 110.5 289.6 82.2 253.6*** 87.1
% energy from carbohydrate 48.8 4.6 45.7*** 7.2 49.2 4.9 49.1NS 6.5
  1. a At both timepoints, energy and macronutrient intakes were assessed using the diet history method.
  2. For each sex, differences between variables measured at age 15y and young adulthood were assessed using paired t-tests. *** P < 0.001 ** P < 0.01 NS not significant