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. 2012 May 23;2012:816834. doi: 10.1155/2012/816834

Table 1.

Restricted maximum likelihood (REML) estimates of energy, macronutrient and fibre intakes of rural and urban Alberta students in 2005 and 2008 adjusted for SES, age, and sex.

2005 2008 P-Value
Energy, macronutrients, and fibre* Rural (n = 2712) Urban (n = 2145) Rural (n = 1055) Urban (n = 4059)
Energy (kcal) 2011 (1945, 2077) 2097 (2020, 2175) 2001 (1910, 2093) 1975 (1912,2039) .041
Fat (%kcal) 31.7 (31.2, 32.2) 31.7 (31.1, 32.3) 31.2 (30.5, 31.9) 30.3 (29.8,30.7) .002
Saturated fat (%kcal) 10.8 (10.6, 11.0) 10.7a(10.5,10.9) 11.0b (10.7, 11.3) 10.4c(10.2, 10.6) .003;  .033ac; <.001bc
Carbohydrate (%kcal) 54.6 (54.0, 55.3) 54.8 (54.1, 55.5) 54.6 (53.7, 55.5) 55.4 (54.8, 56.0) >.05;  >.05
Protein (%kcal) 15.3 (15.1, 15.6) 15.2 (14.9, 15.5) 15.9 (15.6, 16.3) 16.1 (15.9, 16.3) <.001
Fibre (g) 14.0 (13.4, 14.7) 14.7 (14.0, 15.4) 14.7 (13.9, 15.6) 15.4 (14.8, 15.9) .03;  .042

*Reported as mean and 95% Confidence Intervals.

Main effect for Year (2005 versus 2008).

Main effect for (Rural versus Urban).

As a followup to significant interaction superscripts in each row indicate source of significant differences at P < .05 using a test of simple effects.