Abstract
Objectives
Here we examined the reproducibility and validity of a dietary screener which was translated and adapted to assess diet quality among pregnant Nepalese women.
Methods
A pilot cohort of singleton pregnant women (N = 101; age 25.9 ± 4.1 years) was recruited from a tertiary, periurban hospital in Nepal. An adapted Nepali version of the PrimeScreen questionnaire, a brief 21-item dietary screener that assesses weekly consumption of 12 healthy and 9 unhealthy food groups, was administered twice, and a month apart, in both the 2nd and 3rd trimesters. Up to four inconsecutive 24-h dietary recalls (24-HDRs) were completed each trimester and utilized as the reference method for validation. For each trimester, data from multiple 24-HDRs were averaged across days, and items were grouped to match the classification and three weekly consumption categories (0–1, 2–3, or 4 + servings/week) of the 21 food groups represented on the PrimeScreen.
Results
Gwet’s agreement coefficients (AC1) were used to evaluate the reproducibility and validity of the adapted PrimeScreen against the 24-HDRs in both the 2nd and 3rd trimester. AC1 indicated good to excellent (≥ 0.6) reproducibility for the majority (85%) of food groups across trimesters. There was moderate to excellent validity (AC1 ≥ 0.4) for all food groups except for fruits and vegetables in the 2nd trimester, and green leafy vegetables and eggs in both the 2nd and 3rd trimesters.
Conclusions
The modified PrimeScreen questionnaire appears to be a reasonably valid and reliable instrument for assessing the dietary intake of most food groups among pregnant women in Nepal.
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This work was funded by Rutgers Global Health Institute and the National Institutes of Health/FIC (1R21TW011377-01).
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KM and SR had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: SR and AS. Acquisition, analysis, or interpretation of the data: KM, KS, KS, and SR. Drafting of the manuscript: KM and SR. Critical revision of the manuscript for important intellectual content: All authors. Statistical analysis: KM, KS, and SR.
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Martin, K., Shah, K., Shrestha, A. et al. Reproducibility and Relative Validity of a Dietary Screener Adapted for Use among Pregnant Women in Dhulikhel, Nepal. Matern Child Health J 27, 49–58 (2023). https://doi.org/10.1007/s10995-022-03547-7
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DOI: https://doi.org/10.1007/s10995-022-03547-7