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Table 4 Tracking of energy and macronutrient intakesa between age 15y and 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

Females

 

n

κ

P

n

κ

P

Energy (MJ/d)

245

0.169

<0.0001

231

0.154

0.001

Protein (g/d)

245

0.169

<0.0001

231

0.202

<0.0001

% energy from protein

245

0.019

0.683

231

0.098

0.039

Total fat (g/d)

245

0.117

0.011

231

0.152

0.001

% energy from fat

245

0.143

0.002

231

0.051

0.282

Carbohydrate (g/d)

245

0.114

0.013

231

0.120

0.011

% energy from carbohydrate

245

0.117

0.011

231

0.063

0.182

  1. a At both timepoints, energy and macronutrient intakes were assessed using the diet history method.
  2. κ indicates extent of tracking, and can be interpreted as follows: κ < 0.20, poor tracking; κ 0.21–0.40, fair; κ 0.41–0.60, moderate; κ 0.61–0.8, good; κ 0.81–1.0, very good (Altman, 1991).