Usual Energy Intake from Protein

Percentage of usual energy intake from protein1: Mean (standard error) and percentiles2 of usual intake, 2001-2004
  Age (years) N Mean (SE) Percentiles
5% 10% 25% 50% 75% 90% 95%
Males and Females 1-3 1515 14.29 (0.14) 11.20 11.81 12.88 14.17 15.57 16.91 17.76
4-8 1701 13.58 (0.14) 10.77 11.33 12.31 13.48 14.76 15.97 16.74
Males 9-13 1061 14.10 (0.22) 10.45 11.18 12.43 13.93 15.57 17.22 18.26
14-18 1424 14.13 (0.19) 10.73 11.39 12.58 13.98 15.54 17.05 17.99
19-30 1100 14.73 (0.24) 11.25 11.94 13.15 14.58 16.16 17.67 18.71
31-50 1466 14.99 (0.14) 11.47 12.17 13.38 14.84 16.43 18.02 19.06
51-70 1252 15.69 (0.21) 11.82 12.57 13.92 15.50 17.27 19.04 20.20
71+ 832 15.79 (0.16) 11.68 12.47 13.89 15.58 17.48 19.36 20.58
19+ 4650 15.19 (0.10) 11.50 12.22 13.49 15.01 16.69 18.38 19.48
Females 9-13 1112 13.79 (0.24) 10.37 11.02 12.19 13.64 15.19 16.75 17.76
14-18 1362 13.49 (0.18) 10.09 10.76 11.92 13.33 14.87 16.40 17.40
19-30 1325 14.17 (0.19) 10.75 11.40 12.58 14.01 15.58 17.15 18.16
31-50 1595 14.80 (0.17) 11.16 11.88 13.12 14.62 16.30 17.96 19.03
51-70 1284 15.63 (0.19) 11.71 12.46 13.79 15.41 17.23 19.07 20.25
71+ 860 15.42 (0.20) 11.37 12.15 13.53 15.22 17.07 18.95 20.18
19+ 5064 14.95 (0.12) 11.17 11.90 13.18 14.74 16.50 18.27 19.43
All Persons 1+ 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.

Percentage of usual energy intake from protein3: Percentiles (and standard errors) of usual intake, 2001-2004
  Age (years) Percentiles
5% 10% 25% 50% 75% 90% 95%
Males and Females 1-3 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)
4-8 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)
Males 9-13 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)
14-18 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)
19-30 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)
31-50 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)
51-70 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)
71+ 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)
19+ 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)
Females 9-13 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)
14-18 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)
19-30 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)
31-50 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)
51-70 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)
71+ 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)
19+ 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)
All Persons 1+ 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. Epidemiology Research Program Web site. National Cancer Institute. http://epi.grants.cancer.gov/diet/usualintakes/energy/t1.html. Updated June 2, 2015. Accessed August 1, 2015.

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