Table 1.
Habitual estimated protein intake by protein density quartile in healthy young adults1.
| Protein intake | Protein density quartile | |||
|---|---|---|---|---|
| 1 (n = 135) | 2 (n = 134) | 3 (n = 134) | 4 (n = 127) | |
| g/1,000 kcal2 | 29.3 ± 3.2a | 36.1 ± 1.4b | 40.9 ± 1.3c | 47.9 ± 3.9d |
| Percent total energy3 | 11.7 ± 1.3a | 14.4 ± 0.6b | 16.4 ± 0.5c | 19.2 ± 1.6d |
| g/kg body weight3 | 0.9 ± 0.5a | 1.2 ± 0.6b | 1.3 ± 0.6b | 1.3 ± 0.5b |
1
Values are means (SD).
2
Data are analyzed using ANCOVA adjusted for age, ethnicity, race, physical activity, smoking status, and total energy intake, within a row, values not sharing superscript letters are different at the univariate level, p < 0.05.
3
Data are analyzed using ANCOVA adjusted for age, ethnicity, race, physical activity, smoking status, and energy density within a row, values not sharing superscript letters are different at the univariate level, p < 0.05.