Table 2.

Geometric means with 95% CI and CVs for total sugars intake and total sugars density assessed by FFQ, 24HR, 4DFR, and urinary sugars biomarker among NPAAS (2007–2009) participants (primary study, n = 450; reliability study, n = 88)

Total sugars intake, g/dTotal sugars density, g/1,000 kcal
InstrumentnGeometric mean (95% CI)CVnGeometric mean (95% CI)CV
FFQa45082.4 (78.7–86.4)0.5445056.6 (55.0–58.3)0.32
FFQb8882.8 (75.1–91.3)0.508855.1 (51.4–59.1)0.34
4DFRa45086.5 (83.3–89.8)0.4245053.5 (51.9–55.1)0.33
4DFRb8883.8 (77.4–90.7)0.398852.0 (49.0–55.2)0.29
First 24HRa39880.1 (75.8–84.6)0.6039852.3 (50.1–54.6)0.46
Second 24HRa42580.2 (76.0–84.6)0.6142554.0 (51.8–56.3)0.46
Third 24HRa42182.0 (77.9–86.3)0.5742153.5 (51.4–55.6)0.43
24HRa (3-day avg.)44085.1 (81.8–88.5)0.4444054.8 (53.2–56.4)0.32
First 24HRb8678.7 (69.9–88.7)0.618652.7 (48.2–57.8)0.45
Second 24HRb8381.5 (71.2–93.4)0.708351.4 (45.8–57.8)0.58
Third 24HRb8272.3 (62.7–83.4)0.748248.8 (43.4–55.0)0.59
24HRb (3-day avg.)8782.4 (75.1–90.5)0.478753.1 (49.4–57.2)0.36
Biomarkera,c384158.8 (145.6–173.1)1.0635178.3d (71.6–85.6)1.03
Biomarkerb,c78173.9 (142.9–211.6)1.097382.9d (67.3–102.2)1.14
  • aCollected in the primary study.

  • bCollected in the reliability study.

  • cCalibrated using the measurement error parameters generated from the feeding study (17).

  • dEnergy intake estimated by DLW measurement of total energy expenditure.