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. Author manuscript; available in PMC: 2021 Aug 1.
Published in final edited form as: Acad Pediatr. 2020 Feb 17;20(6):801–808. doi: 10.1016/j.acap.2020.02.014

Table 3.

Correlation of caffeine, calories/day/kg and key nutrients. All nutrient values were standardized on a daily intake of 1000 kcal. Spearman correlation coefficients and probabilities > |rs| under H0: Rho=0, SAS® PROC CORR. N=301 recall days, 106 children.

Caffeine Kcal/day/kg Protein Fiber Total fat Added sugar Total Dairy Folate
Caffeine, mg 1.00 0.27
<0.0001		 −0.19
0.0007		 −0.12
0.03		 0.11
0.06		 0.33
<0.0001		 −0.15
0.01		 −0.09
0.10
Kcal/day/kg 0.27
<0.0001		 1.00 −0.03
0.61		 −0.01
0.86		 0.24
<0.0001		 0.09
0.11		 −0.06
0.33		 0.01
0.91
Protein, gm −0.19
0.0007		 −0.03
0.61		 1.00 −0.28
<0.0001		 −0.44
<0.0001		 −0.22
0.0001		 0.24
<0.0001		 −0.22
0.0001
Fiber, gm −0.12
0.03		 −0.01
0.86		 −0.28
<0.0001		 1.00 −0.44
<0.0001		 −0.15
0.01		 −0.35
<0.0001		 0.31
<0.0001
Total fat, gm 0.11
0.06		 0.24
<0.0001		 0.21
0.0004		 −0.44
<0.0001		 1.00 −0.27
<0.0001		 0.10
0.09		 −0.33
<0.0001
Added sugar, tsp 0.33
<0.0001		 0.09
0.11		 −0.32
<0.0001		 −0.15
0.01		 −0.27
<0.0001		 1.00 −0.09
0.13		 0.17
0.004
Total dairy, cups −0.15
0.01		 −0.06
0.33		 0.24
<0.0001		 −0.35
<0.0001		 0.10
0.09		 −0.09
0.13		 1.00 −0.10
0.07
Folate −0.09
0.10		 0.01
0.91		 −0.22
0.0001		 0.31
<0.0001		 −0.33
<0.0001		 0.17
0.004		 −0.10
0.07		 1.00