Table 4.
Comparison between folic acid and B12 intakes between the NDNS 2000/2001 and 2008/2011 cohorts
| Female 19–39 years | NDNS 2000/2001 cohort | NDNS 2008/2011 cohort |
|---|---|---|
| Number | 299 | 395 |
| Folic acid supplement users, n (%) | 32 (10.7) | 12 (3.0)***,† |
| Folate intake, diet only (μg/day) | 234.9 (175.7, 302.7)‡ | 205.8 (162.3, 261.2)*** |
| n (%) consuming below UK RNI of folate | 99 (33.1) | 173 (43.8)** |
| B12 supplement users, n (%) | 31 (10.4) | 33 (8.4) |
| B12 intake, diet only (μg/day) | 3.82 (2.75, 5.01) | 3.78 (2.64, 4.84) |
| n (%) consuming below UK RNI of B12 | 11 (3.7) | 24 (6.1) |
Significance: **p<0.01; ***p<0.001
†p Values from independent-samples t-test for continuous variables (after log transformation) or χ2 test for categorical variables.
‡Median, 25–75th centile in parentheses (all such values).
UK RNI, UK Recommended Nutrient Intake; NDNS, National Diet and Nutrition Survey.