Dietary Reference Intakes for Energy (2023)

Chapter: Appendix I: Characteristics of the DLW Validation Studies

Previous Chapter: Appendix H: Characteristics of the DLW Database
Suggested Citation: "Appendix I: Characteristics of the DLW Validation Studies." National Academies of Sciences, Engineering, and Medicine. 2023. Dietary Reference Intakes for Energy. Washington, DC: The National Academies Press. doi: 10.17226/26818.
Suggested Citation: "Appendix I: Characteristics of the DLW Validation Studies." National Academies of Sciences, Engineering, and Medicine. 2023. Dietary Reference Intakes for Energy. Washington, DC: The National Academies Press. doi: 10.17226/26818.

TABLE I-1 Characteristics of 144 Cohorts from 65 Published Studies Included in the Model Validation

Boy
(N = 21)
Girl
(N = 20)
Sex
Female 0 (0%) 20 (100%)
Male 21 (100%) 0 (0%)
Age
Mean (SD) 9.97 (4.68) 9.53 (4.14)
Median [Min, Max] 8.50 [3.00, 18.6] 8.10 [3.00, 18.0]
Weight
Mean (SD) 40.2 (22.4) 37.3 (19.3)
Median [Min, Max] 30.0 [16.4, 88.4] 29.3 [15.9, 85.8]
Height
Mean (SD) 140 (24.9) 135 (21.1)
Median [Min, Max] 133 [100, 181] 129 [103, 175]
BMI
Mean (SD) 18.7 (3.91) 18.9 (4.36)
Median [Min, Max] 16.7 [14.4, 27.4] 17.2 [14.9, 33.0]
TEE
Mean (SD) 2,410 (884) 1,970 (525)
Median [Min, Max] 1,990 [1,290, 4,370] 1,840 [1,150, 3,050]
PAL
Mean (SD) 1.84 (0.156) 1.81 (0.221)
Median [Min, Max] 1.77 [1.69, 2.07] 1.72 [1.62, 2.21]
Missing 13 (61.9%) 13 (65.0%)
PALCAT
Active 15 (71.4%) 6 (30.0%)
Very Active 6 (28.6%) 0 (0%)
Low Active 0 (0%) 14 (70.0%)
Inactive 0 (0%) 0 (0%)

NOTE: BMI = body mass index; DLW = doubly labeled water; max = maximum; min = minimum; mo = months; PAL = physical activity level; PALCAT = PAL category; SD = standard deviation; TEE = total energy expenditure.

Suggested Citation: "Appendix I: Characteristics of the DLW Validation Studies." National Academies of Sciences, Engineering, and Medicine. 2023. Dietary Reference Intakes for Energy. Washington, DC: The National Academies Press. doi: 10.17226/26818.
Man
(N = 32)
Woman
(N = 71)
Overall
(N = 144)
0 (0%) 71 (100%) 91 (63.2%)
32 (100%) 0 (0%) 53 (36.8%)
39.7 (16.6) 34.7 (11.9) 28.7 (16.8)
35.5 [19.0, 94.0] 33.7 [19.4, 94.0] 30.0 [3.00, 94.0]
82.5 (11.9) 71.7 (19.0) 64.7 (24.8)
82.7 [65.0, 107] 67.3 [38.5, 162] 67.2 [15.9, 162]
176 (4.38) 162 (16.9) 158 (22.2)
177 [167, 182] 165 [24.0, 170] 165 [24.0, 182]
26.6 (3.38) 27.0 (6.77) 24.6 (6.54)
26.0 [21.9, 34.9] 24.3 [20.9, 60.3] 24.0 [14.4, 60.3]
3,040 (532) 2,330 (399) 2,450 (636)
3,030 [1,940, 4,370] 2,230 [1,510, 3,850] 2,420 [1,150, 4,370]
1.66 (0.130) 1.67 (0.161) 1.71 (0.172)
1.70 [1.36, 1.90] 1.69 [1.19, 1.98] 1.71 [1.19, 2.21]
18 (56.3%) 46 (64.8%) 90 (62.5%)
14 (43.8%) 17 (23.9%) 52 (36.1%)
4 (12.5%) 6 (8.45%) 16 (11.1%)
9 (28.1%) 25 (35.2%) 48 (33.3%)
5 (15.6%) 23 (32.4%) 28 (19.4%)
Suggested Citation: "Appendix I: Characteristics of the DLW Validation Studies." National Academies of Sciences, Engineering, and Medicine. 2023. Dietary Reference Intakes for Energy. Washington, DC: The National Academies Press. doi: 10.17226/26818.

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Suggested Citation: "Appendix I: Characteristics of the DLW Validation Studies." National Academies of Sciences, Engineering, and Medicine. 2023. Dietary Reference Intakes for Energy. Washington, DC: The National Academies Press. doi: 10.17226/26818.
Page 337
Suggested Citation: "Appendix I: Characteristics of the DLW Validation Studies." National Academies of Sciences, Engineering, and Medicine. 2023. Dietary Reference Intakes for Energy. Washington, DC: The National Academies Press. doi: 10.17226/26818.
Page 338
Suggested Citation: "Appendix I: Characteristics of the DLW Validation Studies." National Academies of Sciences, Engineering, and Medicine. 2023. Dietary Reference Intakes for Energy. Washington, DC: The National Academies Press. doi: 10.17226/26818.
Page 339
Suggested Citation: "Appendix I: Characteristics of the DLW Validation Studies." National Academies of Sciences, Engineering, and Medicine. 2023. Dietary Reference Intakes for Energy. Washington, DC: The National Academies Press. doi: 10.17226/26818.
Page 340
Next Chapter: Appendix J: Summary of Data Extracted from Systematic Reviews and Other Reviewed Literature
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