Table 1. Age-Adjusted Mean Intakes of Fats and Energy among U.S. Adults Aged 20–74 Years.
| Saturated fat | Polyunsaturated fat | Monounsaturated fat | Total fat | Cholesterol | Total energy intake | |||||||
| N | g/day | % kcal | g/day | % kcal | g/day | % kcal | g/day | % kcal | mg/day | mg/1000 Kcal/day | Kcal/day | |
| NHANES I (1971–1975) | 13050 | 29.6 (0.4) | 13.2 (0.1) | — | — | — | — | 81.4 (0.9) | 36.4 (0.1) | 395.3 (5.6) | 209.9 (2.4) | 1969.9 (18.9) |
| NHANES II (1976–1980) | 11864 | 28.9 (0.4) | 12.8 (0.1) | — | — | — | — | 80.7 (0.9) | 36.3 (0.2) | 353.6 (5.2) | 186.9 (1.8) | 1959.9 (16.3) |
| NHANES III (1988–1994) | 14167 | 28.5 (0.4) | 11.3 (0.1) | 18.1 (0.3) | 7.2 (0.1) | 32.1 (0.4) | 12.6 (0.1) | 85.1 (1.1) | 33.6 (0.2) | 288.5 (5.1) | 130.6 (1.8) | 2215.7 (17.5) |
| NHANES 1999–2000 | 3735 | 27.6 (0.4) | 11.0 (0.2) | 17.0 (0.3) | 6.9 (0.1) | 31.3 (0.4) | 12.4 (0.2) | 82.2 (1.1) | 32.9 (0.4) | 290.6 (4.7) | 135.2 (2.4) | 2216.7 (31.5) |
| NHANES 2001–2002 | 4173 | 27.1 (0.4) | 10.6 (0.1) | 17.0 (0.3) | 6.8 (0.1) | 30.9 (0.4) | 12.1 (0.1) | 84.0 (1.0) | 33.2 (0.2) | 288.5 (3.7) | 129.7 (1.7) | 2248.4 (25.8) |
| NHANES 2003–2004 | 3790 | 28.4 (0.4) | 11.1 (0.1) | 18.1 (0.3) | 7.2 (0.1) | 32.5 (0.4) | 12.6 (0.1) | 86.2 (1.0) | 33.8 (0.3) | 295.0 (6.6) | 134.2 (2.3) | 2274.7 (17.3) |
| NHANES 2005–2006 | 4021 | 28.8 (0.5) | 11.3 (0.1) | 18.0 (0.4) | 7.2 (0.1) | 31.7 (0.6) | 12.4 (0.1) | 85.9 (1.6) | 33.8 (0.3) | 300.3 (4.5) | 134.7 (1.6) | 2251.3 (29.5) |
| NHANES 2007–2008 | 4761 | 27.3 (0.6) | 11.1 (0.1) | 17.5 (0.3) | 7.2 (0.1) | 30.4 (0.6) | 12.3 (0.1) | 82.4 (1.6) | 33.6 (0.2) | 298.2 (7.0) | 137.5 (2.4) | 2165.1 (31.1) |
| P for linear trend from 1971–1975 to 2007–2008 | 0.002 | <0.001 | — | — | — | — | 0.003 | <0.001 | <0.001 | <0.001 | <0.001 | |
| P for linear trend from 1988–1994 to 2007–2008 | 0.576 | 0.669 | 0.812 | 0.330 | 0.137 | 0.090 | 0.782 | 0.516 | 0.132 | 0.039 | 0.890 | |