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Minimum dietary diversity for women of reproductive age (MDD-W) data collection : validity of the list-based and open recall methods as compared to weighed food record

(2020) NUTRIENTS. 12(7).
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Abstract
Minimum dietary diversity for women of reproductive age (MDD-W) was validated as a population-level proxy of micronutrient adequacy, with indicator data collection proposed as either list-based or open recall. No study has assessed the validity of these two non-quantitative proxy methods against weighed food records (WFR). We assessed the measurement agreement of list-based and open recall methods as compared to WFR (i.e., reference method of individual quantitative dietary assessment) for achieving MDD-W and an ordinal food group diversity score. Applying a non-inferiority design, data were collected from non-pregnant women of reproductive age in Cambodia (n = 430), Ethiopia (n = 431), and Zambia (n = 476). For the pooled sample (n = 1337), proportions achieving MDD-W from both proxy methods were compared to WFR proportion by McNemar’s chi-square tests, Cohen’s kappa, and receiver operating characteristic (ROC) analysis. Ordinal food group diversity (0–10) was compared by Wilcoxon matched-pairs signed-rank tests, intraclass correlation coefficients (ICC), and weighted kappa. MDD-W food groups that were most frequently misreported (i.e., type I and II errors) by the proxy methods were determined. Our findings indicate statistically significant differences in proportions achieving MDD-W, ordinal food group diversity scores, and ROC curves between both proxy methods and WFR (p < 0.001). List-based and open recall methods overreported women achieving MDD-W by 16 and 10 percentage points, respectively, as compared to WFR (proportion achieving MDD-W: 30%). ICC values between list-based or open recall and WFR were 0.50 and 0.55, respectively. Simple and weighted kappa values both indicated moderate agreement between list-based or open recall against WFR. Food groups most likely to be misreported using proxy methods were beans and peas, dark green leafy vegetables, vitamin A-rich fruit and vegetables, and other fruits. Our study provides statistical evidence for overreporting of both list-based and open recall methods for assessing prevalence of MDD-W or ordinal food group diversity score in women of reproductive age in low- and middle-income countries. Operationalizing MDD-W through qualitative recall methods should consider potential trade-offs between accuracy and simplicity.
Keywords
Cambodia, Ethiopia, list-based recall, open recall, minimum dietary diversity for women, weighed food record, Zambia, COUNTRIES

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MLA
Hanley-Cook, Giles, et al. “Minimum Dietary Diversity for Women of Reproductive Age (MDD-W) Data Collection : Validity of the List-Based and Open Recall Methods as Compared to Weighed Food Record.” NUTRIENTS, vol. 12, no. 7, 2020, doi:10.3390/nu12072039.
APA
Hanley-Cook, G., Tung, J. Y. A., Sattamini, I. F., Marinda, P. A., Thong, K., Zerfu, D., … Lachat, C. (2020). Minimum dietary diversity for women of reproductive age (MDD-W) data collection : validity of the list-based and open recall methods as compared to weighed food record. NUTRIENTS, 12(7). https://doi.org/10.3390/nu12072039
Chicago author-date
Hanley-Cook, Giles, Ji Yen A. Tung, Isabela F. Sattamini, Pamela A. Marinda, Kong Thong, Dilnesaw Zerfu, Patrick Kolsteren, Maria Antonia G. Tuazon, and Carl Lachat. 2020. “Minimum Dietary Diversity for Women of Reproductive Age (MDD-W) Data Collection : Validity of the List-Based and Open Recall Methods as Compared to Weighed Food Record.” NUTRIENTS 12 (7). https://doi.org/10.3390/nu12072039.
Chicago author-date (all authors)
Hanley-Cook, Giles, Ji Yen A. Tung, Isabela F. Sattamini, Pamela A. Marinda, Kong Thong, Dilnesaw Zerfu, Patrick Kolsteren, Maria Antonia G. Tuazon, and Carl Lachat. 2020. “Minimum Dietary Diversity for Women of Reproductive Age (MDD-W) Data Collection : Validity of the List-Based and Open Recall Methods as Compared to Weighed Food Record.” NUTRIENTS 12 (7). doi:10.3390/nu12072039.
Vancouver
1.
Hanley-Cook G, Tung JYA, Sattamini IF, Marinda PA, Thong K, Zerfu D, et al. Minimum dietary diversity for women of reproductive age (MDD-W) data collection : validity of the list-based and open recall methods as compared to weighed food record. NUTRIENTS. 2020;12(7).
IEEE
[1]
G. Hanley-Cook et al., “Minimum dietary diversity for women of reproductive age (MDD-W) data collection : validity of the list-based and open recall methods as compared to weighed food record,” NUTRIENTS, vol. 12, no. 7, 2020.
@article{8669822,
  abstract     = {Minimum dietary diversity for women of reproductive age (MDD-W) was validated as a population-level proxy of micronutrient adequacy, with indicator data collection proposed as either list-based or open recall. No study has assessed the validity of these two non-quantitative proxy methods against weighed food records (WFR). We assessed the measurement agreement of list-based and open recall methods as compared to WFR (i.e., reference method of individual quantitative dietary assessment) for achieving MDD-W and an ordinal food group diversity score. Applying a non-inferiority design, data were collected from non-pregnant women of reproductive age in Cambodia (n = 430), Ethiopia (n = 431), and Zambia (n = 476). For the pooled sample (n = 1337), proportions achieving MDD-W from both proxy methods were compared to WFR proportion by McNemar’s chi-square tests, Cohen’s kappa, and receiver operating characteristic (ROC) analysis. Ordinal food group diversity (0–10) was compared by Wilcoxon matched-pairs signed-rank tests, intraclass correlation coefficients (ICC), and weighted kappa. MDD-W food groups that were most frequently misreported (i.e., type I and II errors) by the proxy methods were determined. Our findings indicate statistically significant differences in proportions achieving MDD-W, ordinal food group diversity scores, and ROC curves between both proxy methods and WFR (p < 0.001). List-based and open recall methods overreported women achieving MDD-W by 16 and 10 percentage points, respectively, as compared to WFR (proportion achieving MDD-W: 30%). ICC values between list-based or open recall and WFR were 0.50 and 0.55, respectively. Simple and weighted kappa values both indicated moderate agreement between list-based or open recall against WFR. Food groups most likely to be misreported using proxy methods were beans and peas, dark green leafy vegetables, vitamin A-rich fruit and vegetables, and other fruits. Our study provides statistical evidence for overreporting of both list-based and open recall methods for assessing prevalence of MDD-W or ordinal food group diversity score in women of reproductive age in low- and middle-income countries. Operationalizing MDD-W through qualitative recall methods should consider potential trade-offs between accuracy and simplicity.},
  articleno    = {2039},
  author       = {Hanley-Cook, Giles and Tung, Ji Yen A. and Sattamini, Isabela F. and Marinda, Pamela A. and Thong, Kong and Zerfu, Dilnesaw and Kolsteren, Patrick and Tuazon, Maria Antonia G. and Lachat, Carl},
  issn         = {2072-6643},
  journal      = {NUTRIENTS},
  keywords     = {Cambodia,Ethiopia,list-based recall,open recall,minimum dietary diversity for women,weighed food record,Zambia,COUNTRIES},
  language     = {eng},
  number       = {7},
  pages        = {13},
  title        = {Minimum dietary diversity for women of reproductive age (MDD-W) data collection : validity of the list-based and open recall methods as compared to weighed food record},
  url          = {http://dx.doi.org/10.3390/nu12072039},
  volume       = {12},
  year         = {2020},
}

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