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. 2010 Sep 29;140(11):2059S–2069S. doi: 10.3945/jn.110.123414

TABLE 9.

Summary of indicator characteristics relative to predicting MPA > 0.50, for NPNL women across all sites

Food group cutoffs Sensitivity1 Specificity False positives, % False negatives, % Total misclassified, % Cutoff yielding closest estimate of % of women with MPA > 0.50 (percentage point difference)2
FGI-9R
    ≥3 86–100 4–32 33–69 0–4 33–69
    ≥4 57–98 30–65 16–51 1–18 34–54 Mozambique (−3), Philippines (+14)
    ≥5 14–67 66–100 0–25 9–52 23–52 Burkina Faso (+15), Mali (−4), Bangladesh (+1), Philippines (−12)
    ≥6 2–36 94–100 0–5 18–60 21–60 Burkina Faso (−13)
FGI-13R
    ≥3 86–100 2–32 33–69 0–4 34–69
    ≥4 59–98 18–62 18–53 1–15 33–56 Mozambique (+4)
    ≥5 30–79 59–93 3–30 6–43 23–46 Mali (+12), Bangladesh (+8), Philippines (−5)
    ≥6 10–50 84–100 0–9 14–55 22–55 Burkina Faso (−6), Mali (−16), Bangladesh (−12)
    ≥7 2–19 95–100 0–3 19–60 21–60
FGI-21R
    ≥4 83–98 13–46 21–58 1–9 30–61 Mozambique (+13)
    ≥5 59–87 36–83 7–34 5–24 29–40 Mozambique (−17), Philippines (+9)
    ≥6 22–75 71–100 0–16 7–48 23–48 Burkina Faso (+9), Mali (+3), Bangladesh (+2)
    ≥7 11–40 89–100 0–6 16–54 21–54
1

Sensitivity assesses the proportion of all those who have MPA > 0.50 who are identified by the indicator.

2

The difference is the site-specific prevalence for MPA > 0.50, less the prevalence estimated by the FGI at a given cutoff. When 2 cutoffs yielded estimates that were similar (within 5 percentage points) in distance from “true” prevalence, both are listed.