Table 3.
Adequacy of population iron intakes among women living in industrialized countries.
| Country | Survey | Participants | Dietary (Food) Iron Intakes (mg) | EAR (mg/Day) | RDI/RDA/RNI (mg/Day) | Inadequate Intakes (<EAR %) |
|---|---|---|---|---|---|---|
| Australia | 1995 National Nutrition Survey [33] | 19–24 y 25–44 y |
10.6 a 11.1 |
8.0 | 18.0 | |
| New Zealand | 2008/2009 New Zealand National Adult Nutrition Survey [16] | 19–30 y 31–50 y |
10.2 (9.3–11.1) b 10.2 (9.6–10.8) |
8.0 | 18.0 | 6.0 15.4 |
| USA | NHANES 2001–2002 [34] | 19–30 y (n = 465) 31–50 y (n = 754) |
13.9 (0.56) c 13.4 a 13.1 (0.40) c 12.4 a |
8.1 | 18.0 | 15.0 17.0 |
| USA | NHANES 2009–2010 [35] | 20–29 y 30–39 y 40–49 y |
13.5 (0.33) c 14.1 (0.38) 12.9 (0.49) |
8.1 | 18.0 | n/a |
| Canada | 2004 Community Health Survey [36] | 19–30 y (n = 1854) 31–50 y (n = 2686) |
12.4 (0.3) c 12.1 (0.3) d 12.4 (0.2) c 12.1 (0.2) d |
7.7 | 18.0 | 16.8 (1.5) e 18.3 (1.1) |
| UK | September 2008/09–November 2010/11 UK National Diet and Nutrition Survey [37] |
19–64 y | 10.1 (4.0, 25.3) f | 11.4 | 14.8 | 20.0 |
a Median; b Median (25%–75% IQR); c Mean (SE); d 50th Percentile (SE); e % inadequacy (SE); f Median (upper 2.5 percentile, lower 2.5 percentile). Abbreviations: RDA–—Recommended Dietary Allowance; RDI—Recommended Dietary Intake; RNI—Reference Nutrient Intake; EAR—Estimated Average Requirement; NHANES—National Health and Examination Survey.