Table 2.
Folic acid (FA) use or intention scores among respondents with an expected time to pregnancy (e-TTP) of <24 months by study group; controlled trial of an educational intervention conducted in well-baby clinics to promote preconception use of FA supplements, eastern part of the Netherlands, 2007–2008
| FA use or intention | |||||
|---|---|---|---|---|---|
| Intervention group | Control group | ||||
| (n 67) | (n 68) | ||||
| e-TTP | % | n′ | % | n′ | χ 2 P |
| 0–12 months | 65 | 49 | 42 | 43 | <0·05 |
| 0–3 months | 94 | 16 | 73 | 11 | NS |
| 4–6 months | 67 | 15 | 70 | 10 | NS |
| 7–12 months | 39 | 18 | 14 | 22 | NS |
| 12–24 months | 6 | 17 | 19 | 21 | NS |
n is the total number of questionnaires returned. Analysis per variable is based on n′, the number of respondents with data available for that variable.