Table 2.
Intake in men (n = 1178) and women (n = 1215) over 50 years of age (mg) based on NHANES 2009–10
| Sex | RDA | Recommendation for decreased disease risk | Mean ± SEM | Weighted percentiles
|
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P1 | P5 | P10 | P25 | P50 | P75 | P90 | P95 | P99 | |||||
| Vitamin C, mg/day | Men | 90 | – | 93.1 ± 2.2 | 4.5 | 12.0 | 21.2 | 38.0 | 72.9 | 126.1 | 196.3 | 247.4 | 322.7 |
| Women | 75 | – | 88.4 ± 1.9 | 5.0 | 13.9 | 21.8 | 39.5 | 75.2 | 122.5 | 168.6 | 200.1 | 293.2 | |
| Vitamin E (as α-tocopherol), mg/day | Men | 15 | – | 8.6 ± 0.2 | 1.6 | 3.3 | 3.8 | 5.4 | 7.5 | 10.3 | 14.5 | 17.8 | 30.5 |
| Women | 15 | – | 7.3 ± 0.1 | 1.7 | 2.5 | 3.3 | 4.4 | 6.3 | 8.8 | 12.3 | 15.2 | 22.8 | |
| β-carotene, mg/day | Men | – | 3–6 mg* | 2.6 ± 0.1 | 0.1 | 0.2 | 0.3 | 0.6 | 1.4 | 3.1 | 6.2 | 9.0 | 14.8 |
| Women | – | 3–6 mg* | 2.7 ± 0.1 | 0.1 | 0.2 | 0.3 | 0.7 | 1.7 | 3.8 | 6.3 | 8.9 | 12.9 | |
| Zinc, mg/day | Men | 11 | – | 13.5 ± 0.2 | 4.2 | 5.7 | 6.7 | 8.8 | 12.3 | 16.5 | 22.4 | 25.8 | 37.5 |
| Women | 8 | – | 9.8 ± 0.1 | 2.9 | 4.3 | 5.1 | 6.9 | 8.8 | 11.6 | 15.4 | 18.6 | 25.1 | |
| Lutein/zeaxanthin, mg/day | Men | – | 6 mg** | 1.2 ± 0.1 | 0.1 | 0.2 | 0.3 | 0.6 | 1.0 | 1.8 | 2.9 | 4.9 | 13.5 |
| Women | – | 6 mg** | 1.8 ± 0.1 | 0.1 | 0.2 | 0.3 | 0.6 | 1.0 | 2.1 | 4.0 | 6.6 | 11.8 | |
| EPA + DHA, mg/day | Men | – | 250–1000*** | 120.6 ± 6.1 | 1.5 | 5.0 | 9.0 | 19.5 | 47.5 | 126.5 | 278.0 | 471.5 | 1027.5 |
| Women | – | 250–1000*** | 13.5 ± 0.2 | 4.2 | 5.7 | 6.7 | 8.8 | 12.3 | 16.5 | 22.4 | 25.8 | 37.5 | |
Notes: Values in bold indicate values less than RDA or recommendation based on current knowledge of relationships between intakes and risk of disease.
Recommendation based on Panel on Dietary Antioxidants and Related Compounds, Subcommittee on Upper Reference Levels of Nutrients, Subcommittee on Interpretation and Uses of DRIs, Standing Committee on the Scientific Evaluation of Dietary Reference Intakes;9
recommendation based on Seddon et al;26
recommendation based on Kris-Etherton et al.33
Abbreviations: NHANES, National Health and Nutrition Examination Survey; RDA, recommended dietary allowance; SEM, standard error of mean; EPA, eicosapentaenoic acid; DHA, docosahexaenoic acid; DRI, dietary reference intake.