Validation of self-reported folic acid use in a multiethnic population: results of the Amsterdam Born Children and their Development study

Sikkens, Jonne J.; Eijsden, Manon van; Bonsel, Gouke J.; Cornel, Martina C.

doi:10.1017/s1368980011000012

Cited by 12 publications

(20 citation statements)

References 28 publications

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“…Similarly, a nationally representative study of NZ adults found that FAcontaining supplement users had a 48 % higher mean serum folate concentration compared with non-users (49) . The correlation between reported FA supplementation dose and PF seen in the present study is also similar to that found in a Dutch study conducted in the early second trimester of pregnancy (r 0•49; P = 0•001) (50) .…”

Section: Discussionsupporting

confidence: 90%

Plasma folate and its association with folic acid supplementation, socio-demographic and lifestyle factors among New Zealand pregnant women

et al. 2019

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Folic acid (FA) supplementation is recommended in the periconceptional period, for the prevention of neural tube defects. Limited data are available on the folate status of New Zealand (NZ) pregnant women and its association with FA supplementation intake. Objectives were to examine the relationship between plasma folate (PF) and reported FA supplement use at 15 weeks’ gestation and to explore socio-demographic and lifestyle factors associated with PF. We used data and blood samples from NZ participants of the Screening for Pregnancy Endpoints cohort study. Healthy nulliparous women with singleton pregnancy (n 1921) were interviewed and blood samples collected. PF was analysed via microbiological assay. Of the participants, 73 % reported taking an FA supplement at 15 weeks’ gestation – of these, 79 % were taking FA as part of/alongside a multivitamin supplement. Of FA supplement users, 56 % reported consuming a daily dose of ≥800 μg; 39 % reported taking less than 400 µg/d. Mean PF was significantly higher in women reporting FA supplementation (54·6 (se 1·5) nmol/l) v. no FA supplementation (35·1 (se 1·6) nmol/l) (P<0·0001). Reported daily FA supplement dose and PF were significantly positively correlated (r 0·41; P<0·05). Younger maternal age, Pacific and Maori ethnicity and obesity were negatively associated with PF levels; vegetarianism was positively associated with PF. Reported FA supplement dose was significantly associated with PF after adjustment for socio-demographic, lifestyle confounders and multivitamin intake. The relationship observed between FA supplementation and PF demonstrates that self-reported intake is a reliable proxy for FA supplement use in this study population.

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Section: Discussionsupporting

confidence: 90%

Plasma folate and its association with folic acid supplementation, socio-demographic and lifestyle factors among New Zealand pregnant women

et al. 2019

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“…However, planning of pregnancy was strongly associated with supplement use before pregnancy regardless of ethnicity, which has also been observed in some other studies [11, 14, 15, 24] but not in all [13]. Interestingly, parous women were less likely to use folic acid supplements than nulliparous women both in our study and several previous studies [11, 13–15, 18, 19, 24] although parous women should have heard about the benefits of supplement use during their previous pregnancy. Women who have previously delivered healthy children might trivialize the risks and be reluctant to follow recommendations on healthy behavior, as discussed by van Eijsden [13].…”

Section: Discussionsupporting

confidence: 89%

Ethnic differences in folic acid supplement use in a population-based cohort of pregnant women in Norway

Kinnunen

Sletner

Sommer

et al. 2017

BMC Pregnancy Childbirth

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BackgroundPeri-conceptional use of folic acid supplements is recommended to prevent neural tube defects. Correct supplement use seems to be less common among ethnic minorities. We examined ethnic differences in folic acid supplement use before and during pregnancy and possible effect modification by education or planning of pregnancy.MethodsThe participants were 811 healthy pregnant women from a population-based cohort study in Oslo, Norway in 2008–2010. Ethnicity was categorized to five groups (European, Middle Eastern, South Asian, East Asian, African). Data on folic acid supplement use were obtained from hospital records and remaining data by a questionnaire. Logistic regression analyses were adjusted for age, parity, planning of pregnancy, education and Norwegian language skills.ResultsBefore pregnancy, 30.1% of European women and 7.1 to 13.6% of women in the other ethnic groups used folic acid supplements (p < 0.001). The adjusted odds ratio (OR) for supplement use was 0.55 (95% confidence interval 0.31; 0.96) for South Asian and 0.42 (95% confidence interval 0.19; 0.94) for Middle Eastern women compared with European women. During pregnancy, supplement use was most common in European women (65.7%) and least common in Middle Eastern (29.4%) and African women (29.0%) (p < 0.001). Compared with European women, all other ethnic groups had lower adjusted odds (OR 0.30 to 0.50, p < 0.05 for all) for supplement use among women with high school or less education, but not among more educated women. Planning of pregnancy did not modify the association between ethnicity and supplement use.ConclusionsFew women used folic acid supplements before pregnancy. Educational level modified the association between ethnicity and supplement use during pregnancy. Public health campaigns should focus on increasing awareness especially in ethnic minority groups with low educational level.

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“…The most recent data on folic acid use in the Netherlands derive from studies in 2003-2004 and 1995-2005. However, the former study was conducted in one large city with many low-educated women and women of non-Western background (11) , and the latter study took place only in the northern part of the country (10) . The DELIVER study is a population-based cohort study conducted among a large number of women who received care in twenty midwifery practices across the Netherlands in 2009 and 2010.…”

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confidence: 99%

Factors associated with not using folic acid supplements preconceptionally

Manniën

Jonge

Cornel

et al. 2013

Public Health Nutr.

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Objective: Neural tube defects are among the most common birth defects worldwide. Folic acid intake from one month before to three months after conception reduces the likelihood of neural tube defects by at least 50 %. Since 1995, several campaigns have been organised in the Netherlands which resulted in 51 % of pregnant women using folic acid supplements during the entire recommended period in the northern part of the Netherlands in 2005. Our research question was to gain insight into the current prevalence and factors associated with inadequate pregnancy-related use of folic acid supplements. Design: Data from the DELIVER study were used, which is a population-based cohort study. Setting: Twenty midwifery practices across the Netherlands in 2009 and 2010. Subjects: In total 5975 pregnant women completed a questionnaire covering items on sociodemographic and lifestyle factors, including folic acid intake. Results: Of our study population, 55?5 % (3318/5975) used folic acid supplements before conception. Several sociodemographic and lifestyle factors were associated with no preconception use of folic acid, of which non-Western ethnicity and not having a partner had the largest effect size. Conclusions: In the Netherlands, the folic acid intake before conception is suboptimal and has not improved over recent years. Fortification of staple foods with folic acid should be reconsidered as it would provide a more effective means of ensuring an adequate intake, especially for those groups of women who are unlikely to plan their pregnancies or to receive or respond to health promotion messages.

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Validation of self-reported folic acid use in a multiethnic population: results of the Amsterdam Born Children and their Development study

Cited by 12 publications

References 28 publications

Plasma folate and its association with folic acid supplementation, socio-demographic and lifestyle factors among New Zealand pregnant women

Plasma folate and its association with folic acid supplementation, socio-demographic and lifestyle factors among New Zealand pregnant women

Ethnic differences in folic acid supplement use in a population-based cohort of pregnant women in Norway

Factors associated with not using folic acid supplements preconceptionally

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