Table 4

Tracking of energy and macronutrient intakesa between age 15y and young adulthood (mean age 22.0y).


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

a At both timepoints, energy and macronutrient intakes were assessed using the diet history method.

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).

Boreham et al. International Journal of Behavioral Nutrition and Physical Activity 2004 1:14   doi:10.1186/1479-5868-1-14

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