Table 4.
Percentage of women aged 15–44 years who would achieve the recommended intake of total folic acid (400 μg/d) with (modelled) and without (current) folic acid fortification of corn masa flour by race/ethnicity and acculturation factors, NHANES 2001–2008‡
| Current usual intake (≥400 μg of total folic acid/d) | Modelled usual intake (≥400 μg of total folic acid/d) | ||||
|---|---|---|---|---|---|
| Unweighted (n) | % | 95 % CI | % | 95 % CI | |
| Total | 5369 | 24·0 | 21·4, 26·7 | 26·0 | 23·4, 28·6 |
| Race/ethnicity§ | |||||
| Non-Hispanic white | 2065 | 29·6 | 25·7, 33·4 | 30·7 | 26·6, 34·8 |
| Non-Hispanic black | 1384 | 10·3 | 6·7, 14·0 | 11·6 | 6·7, 16·6 |
| Mexican American | 1362 | 13·0 | 7·8, 18·2 | 19·0 | 11·1, 26·8 |
| Acculturation factors∥ | |||||
| Language preference | |||||
| Spanish all or most of the time | 615 | 9·2 | 5·6, 12·9 | 17·4* | 10·0, 24·9 |
| Equal Spanish and English | 253 | 4·5 | 0, 10·4 | 10·3 | 0·8, 19·8 |
| English all or most of the time | 493 | 20·3 | 7·3, 33·3 | 22·9 | 9·2, 36·6 |
| Country of origin | |||||
| Mexico | 648 | 11·1 | 6·1, 16·0 | 19·5 | 10·1, 28·9 |
| USA | 712 | 15·3 | 8·1, 22·4 | 18·6 | 12·4, 24·8 |
| Time living in the USA | |||||
| <5 years | 173 | 5·0 | 0, 13·2 | 11·2 | 3·4, 19·0 |
| 5–14 years | 275 | 10·5 | 2·2, 18·7 | 23·0 | 4·6, 41·4 |
| ≥15 years | 904 | 14·6 | 6·3, 22·8 | 18·7 | 10·2, 27·3 |
NHANES, National Health and Nutrition Examination Survey.
*Significantly different current v. modelled (t test): P < 0·05.
‡Data are adjusted for intake day of the week and interview method (in person or by telephone).
§Race/ethnicity sub-analyses were restricted to non-Hispanic whites, non-Hispanic blacks and Mexican Americans.
∥Acculturation sub-analyses were restricted to Mexican Americans. Unweighted n might not add up to total number of Mexican-American women because of missing data in acculturation factors.