Abstract
The objective of this study was to compare a short dietary screener developed to assess diet quality with interviewer‐administered telephone 24‐hour dietary recalls in a population of pregnant Northern Plains (NP) American Indian women. Participants were recruited from NP clinical sites of the Prenatal Alcohol and SIDS and Stillbirth (PASS) Network, as part of a large, prospective, multidisciplinary study. Prenatal PASS participants who enrolled prior to 24 weeks gestation were eligible to participate. Repeated 24‐hour dietary recalls were collected using the Nutrition Data System for Research (NDSR) software and a short dietary screener was administered intended to capture usual dietary intake during pregnancy. The available recalls were averaged across days for analysis. Items were grouped from the recalls to match the food group data estimates for the screener (e.g., total vegetables, total fruit, total dairy, total and whole grains). Deattenuated Pearson correlation coefficients were calculated between the two data sources after correcting for the within‐person variation in the 24‐hour recall data. A total of 164 eligible women completed the screener and at least two 24‐hour dietary recalls and were included in the analyses. Pearson deattenuated correlation coefficients between the diet screener and the dietary recalls for the majority of food groups were 0.40 or higher. This short diet screener to assess usual diet appears to be a valid instrument for use in evaluating diet quality among pregnant American Indian women.
Highlights
Dietary factors play important roles during pregnancy and in a wide range of maternal and fetal outcomes (Gresham et al 2014).Suboptimal nutritional status may make the growing fetus more vulnerable to harmful environmental exposures intensifying their future health consequences (Carter et al, 2012; Nykjaer et al, 2014)
In Project VIVA, among 1777 pregnant women who completed a food frequency questionnaire (FFQ), poorer quality diets were more common among those who were less educated, multiparous and who had higher prepregnancy body mass index (BMI kg/m2) (Rifas-S himan, Rich-Edwards, Kleinman, Oken, & Gillman, 2009). These results suggest that assessment of nutritional status and overall diet quality may be important among those at risk for adverse pregnancy outcomes
Our objective was to administer a short dietary screener to pregnant women to estimate intakes of selected food groups and to assess relative validity of the screener compared with similar measures obtained from repeated 24-hour dietary recalls
Summary
Dietary factors play important roles during pregnancy and in a wide range of maternal and fetal outcomes (Gresham et al 2014).Suboptimal nutritional status may make the growing fetus more vulnerable to harmful environmental exposures (e.g., tobacco, alcohol, toxic chemicals) intensifying their future health consequences (Carter et al, 2012; Nykjaer et al, 2014). Dietary factors play important roles during pregnancy and in a wide range of maternal and fetal outcomes (Gresham et al 2014). Dietary intake and quality are important considerations in studies of prenatal alcohol use because alcohol and nutrition interact at multiple levels including effects of alcohol on food intake, digestion, nutrient absorption, and metabolism (Weinberg, 1984). Studies of the effects of alcohol consumption on pregnancy outcomes and subsequent childhood growth and development should incorporate valid prospectively collected assessments of prenatal diet that address diet quality as a multi- dimensional exposure
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