# Usual Energy Intake from Protein

Age(years) N Mean (SE) Percentiles 5% 10% 25% 50% 75% 1515 14.29 (0.14) 11.20 11.81 12.88 14.17 15.57 16.91 17.76 1701 13.58 (0.14) 10.77 11.33 12.31 13.48 14.76 15.97 16.74 1061 14.10 (0.22) 10.45 11.18 12.43 13.93 15.57 17.22 18.26 1424 14.13 (0.19) 10.73 11.39 12.58 13.98 15.54 17.05 17.99 1100 14.73 (0.24) 11.25 11.94 13.15 14.58 16.16 17.67 18.71 1466 14.99 (0.14) 11.47 12.17 13.38 14.84 16.43 18.02 19.06 1252 15.69 (0.21) 11.82 12.57 13.92 15.50 17.27 19.04 20.20 832 15.79 (0.16) 11.68 12.47 13.89 15.58 17.48 19.36 20.58 4650 15.19 (0.10) 11.50 12.22 13.49 15.01 16.69 18.38 19.48 1112 13.79 (0.24) 10.37 11.02 12.19 13.64 15.19 16.75 17.76 1362 13.49 (0.18) 10.09 10.76 11.92 13.33 14.87 16.40 17.40 1325 14.17 (0.19) 10.75 11.40 12.58 14.01 15.58 17.15 18.16 1595 14.80 (0.17) 11.16 11.88 13.12 14.62 16.30 17.96 19.03 1284 15.63 (0.19) 11.71 12.46 13.79 15.41 17.23 19.07 20.25 860 15.42 (0.20) 11.37 12.15 13.53 15.22 17.07 18.95 20.18 5064 14.95 (0.12) 11.17 11.90 13.18 14.74 16.50 18.27 19.43 17889 14.75 (0.07) 11.07 11.78 13.03 14.56 16.25 17.98 19.11
1: Percent of usual energy intake from protein = 100 × {usual intake of protein (kcal)} / {usual intake of energy (kcal)}
2: Standard errors of the percentiles are presented in the table below.
Age(years) Percentiles 5% 10% 25% 50% 75% 11.20 (0.26) 11.81 (0.22) 12.88 (0.18) 14.17 (0.14) 15.57 (0.18) 16.91 (0.27) 17.76 (0.34) 10.77 (0.23) 11.33 (0.20) 12.31 (0.15) 13.48 (0.14) 14.76 (0.18) 15.97 (0.27) 16.74 (0.33) 10.45 (0.22) 11.18 (0.22) 12.43 (0.22) 13.93 (0.22) 15.57 (0.23) 17.22 (0.27) 18.26 (0.30) 10.73 (0.20) 11.39 (0.19) 12.58 (0.18) 13.98 (0.19) 15.54 (0.20) 17.05 (0.23) 17.99 (0.27) 11.25 (0.20) 11.94 (0.21) 13.15 (0.22) 14.58 (0.24) 16.16 (0.26) 17.67 (0.30) 18.71 (0.34) 11.47 (0.17) 12.17 (0.16) 13.38 (0.15) 14.84 (0.14) 16.43 (0.15) 18.02 (0.19) 19.06 (0.22) 11.82 (0.20) 12.57 (0.19) 13.92 (0.18) 15.50 (0.20) 17.27 (0.23) 19.04 (0.29) 20.20 (0.34) 11.68 (0.16) 12.47 (0.15) 13.89 (0.14) 15.58 (0.16) 17.48 (0.19) 19.36 (0.26) 20.58 (0.30) 11.50 (0.14) 12.22 (0.12) 13.49 (0.11) 15.01 (0.10) 16.69 (0.12) 18.38 (0.17) 19.48 (0.22) 10.37 (0.35) 11.02 (0.32) 12.19 (0.27) 13.64 (0.23) 15.19 (0.23) 16.75 (0.29) 17.76 (0.34) 10.09 (0.25) 10.76 (0.23) 11.92 (0.19) 13.33 (0.17) 14.87 (0.21) 16.40 (0.30) 17.40 (0.37) 10.75 (0.26) 11.40 (0.23) 12.58 (0.19) 14.01 (0.18) 15.58 (0.22) 17.15 (0.31) 18.16 (0.38) 11.16 (0.27) 11.88 (0.24) 13.12 (0.18) 14.62 (0.16) 16.30 (0.20) 17.96 (0.28) 19.03 (0.36) 11.71 (0.33) 12.46 (0.30) 13.79 (0.24) 15.41 (0.19) 17.23 (0.20) 19.07 (0.26) 20.25 (0.33) 11.37 (0.33) 12.15 (0.28) 13.53 (0.23) 15.22 (0.19) 17.07 (0.22) 18.95 (0.30) 20.18 (0.37) 11.17 (0.26) 11.90 (0.22) 13.18 (0.16) 14.74 (0.12) 16.50 (0.15) 18.27 (0.23) 19.43 (0.30) 11.07 (0.13) 11.78 (0.11) 13.03 (0.08) 14.56 (0.07) 16.25 (0.09) 17.98 (0.13) 19.11 (0.17)
3: Percent of usual energy intake from protein = 100 × {usual intake of protein (kcal)} / {usual intake of energy (kcal)}

## Suggested Citation

Suggested citation for information contained on this page:

Usual Energy Intake from Protein. Applied Research Program Web site. National Cancer Institute. http://appliedresearch.cancer.gov/diet/usualintakes/energy/t1.html. Updated October 18, 2013. Accessed December 13, 2013.

Last Modified: 18 Oct 2013