Table 3.
Percentage of US adults aged ≥19 years not meeting the EAR and the RDA for vitamin D by income and age, National Health and Nutrition Examination Survey, 2007–2010*,†,‡
| % not meeting the EAR | % not meeting the EAR | % not meeting the RDA | % not meeting the RDA | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n | By total intake | se | By dietary intake | se | By total intake | se | By dietary intake | se | |
| Income | |||||||||
| All | 9725 | 64·6 | 1·0 | 89·1 | 0·5 | 78·8 | 0·8 | 96·2 | 0·3 |
| Low | 3131 | 75·2 | 1·1 | 90·0 | 0·7 | 86·8 | 0·8 | 96·5 | 0·5 |
| Medium | 1326 | 71·2 | 2·4 | 91·2 | 1·3 | 84·3 | 2·0 | 97·0 | 0·6 |
| High | 5266 | 59·9 | 1·2 | 88·5 | 0·6 | 75·4 | 1·0 | 96·2 | 0·3 |
| Age (years) | |||||||||
| All | 10 780 | 64·7 | 0·9 | 89·1 | 0·5 | 78·8 | 0·8 | 96·2 | 0·3 |
| 19–30 | 2038 | 76·8 | 1·3 | 88·4 | 1·0 | 89·5 | 1·1 | 96·5 | 0·6 |
| 31–50 | 3547 | 71·2 | 1·2 | 89·0 | 1·0 | 83·5 | 1·0 | 96·2 | 0·5 |
| 51–70 | 3379 | 53·7 | 1·4 | 88·6 | 0·8 | 66·7 | 1·4 | 95·0 | 0·6 |
| >70 | 1816 | 48·5 | 2·0 | 91·7 | 0·7 | 74·2 | 1·9 | 98·8 | 0·3 |
EAR, Estimated Average Requirement.
*
Values are mean percentages and their standard errors.
†
EAR = 10 μg/d; RDA = 16 μg/d for 19–70 years and 20 μg/d for >70 years.
‡
Income categorized by poverty income ratio (PIR), with ≤131 % of PIR = low income, >131 % to ≤185 % of PIR = medium income and >185 % of PIR = high income.