Table 2.
Geometric Mean Values for Daily Protein, Potassium, and Total Sugar Intakes and Nutrient Density as Assessed by the Oxford WebQ, the Interviewer-Based Multiple-Pass 24-Hour Recall, and Biomarkers Related to the First Clinic Visit, London, United Kingdom, 2014–2016
| Nutrient Measure | Oxford WebQ | Interviewer-Based 24-Hour Recall | Biomarker/Reference Tool | ||||||
|---|---|---|---|---|---|---|---|---|---|
| No. of Persons | Geometric Mean | 95% CI | No. of Persons | Geometric Mean | 95% CI | No. of Persons | Geometric Mean | 95% CI | |
| Nutrient intake, g | |||||||||
| Protein | 152 | 85.0 | 79.3, 91.1 | 154 | 82.0 | 77.0, 87.4 | 152 | 70.2 | 65.7, 75.1 |
| Potassium | 152 | 3.3 | 3.1, 3.5 | 154 | 3.1 | 3.0, 3.3 | 152 | 2.1 | 2.0, 2.3 |
| Total sugars | 152 | 100.8 | 92.9, 109.4 | 154 | 88.9 | 82.0, 96.3 | 151 | 133.5 | 116.3, 153.2 |
| Total energy expenditure, MJ | 152 | 8.7 | 8.1, 9.2 | 154 | 8.5 | 8.1, 9.0 | 144 | 11.0 | 10.4, 11.5 |
| Nutrient densitya, g/MJ | |||||||||
| Protein | 152 | 9.8 | 9.4, 10.2 | 154 | 9.6 | 9.2, 10.1 | 142 | 6.4 | 6.0, 6.9 |
| Potassium | 152 | 0.38 | 0.36, 0.40 | 154 | 0.37 | 0.35, 0.39 | 142 | 0.19 | 0.18, 0.21 |
| Total sugars | 152 | 11.6 | 10.9, 12.4 | 154 | 10.4 | 9.7, 11.2 | 141 | 12.1 | 10.4, 14.0 |
Abbreviation: CI, confidence interval.
a Nutrient density for protein, potassium, and total sugars was expressed in grams per MJ of total energy intake.