Table 5.
Women’s segmental body composition variables (mean ± standard deviation) obtained by DXA in NHANES and classified by age and ethnicity.
| Ethnicity | Variables | 20–29 years | 30–39 years | 40–49 years | 50–59 years | 60–69 years | >70 years |
|---|---|---|---|---|---|---|---|
| European-American | n | 228 | 278 | 271 | 245 | 292 | 516 |
| Height | 164.51 ± 5.84 | 164.24 ± 6.23 | 164.33 ± 6.53 | 163.09 ± 5.98 | 162.31 ± 6.09 | 158.03 ± 5.75 | |
| Weight | 68.48 ± 12.81 | 71.28 ± 15.00 | 74.33 ± 16.29 | 74.35 ± 13.55 | 74.29 ± 13.17 | 67.24 ± 12.23 | |
| Waist | 85.38 ± 12.10 | 87.67 ± 12.30 | 91.01 ± 13.57 | 93.82 ± 13.02 | 95.86 ± 12.38 | 94.72 ± 11.94 | |
| BMI | 25.32 ± 4.69 | 26.41 ± 5.33 | 27.48 ± 5.56 | 28.04 ± 5.39 | 28.19 ± 4.68 | 26.90 ± 4.48 | |
| BMI category (n) | |||||||
| Normal weight | 131 | 143 | 103 | 88 | 88 | 189 | |
| Overweight | 57 | 70 | 83 | 74 | 102 | 201 | |
| Obese | 40 | 65 | 85 | 83 | 102 | 126 | |
| TF | 10.14 ± 4.95 | 11.46 ± 5.52 | 12.83 ± 5.85 | 13.97 ± 5.24 | 14.67 ± 4.83 | 12.66 ± 4.36 | |
| BF | 23.27 ± 8.53 | 25.41 ± 9.80 | 27.50 ± 10.41 | 28.77 ± 8.86 | 29.90 ± 8.15 | 26.45 ± 7.81 | |
| APL | 18.39 ± 2.63 | 18.49 ± 3.08 | 18.70 ± 3.34 | 17.98 ± 2.82 | 17.46 ± 2.90 | 15.80 ± 2.56 | |
| TL | 21.72 ± 2.70 | 22.29 ± 3.10 | 22.98 ± 3.36 | 22.57 ± 3.13 | 22.01 ± 3.09 | 20.45 ± 2.79 | |
| BL | 43.05 ± 5.28 | 43.70 ± 6.18 | 44.63 ± 6.72 | 43.50 ± 5.90 | 42.42 ± 5.97 | 39.09 ± 5.30 | |
| African-American | n | 107 | 130 | 157 | 89 | 121 | 93 |
| Height | 162.90 ± 5.88 | 164.76 ± 6.77 | 162.94 ± 5.99 | 163.64 ± 7.28 | 162.86 ± 6.39 | 159.28 ± 5.69 | |
| Weight | 73.81 ± 15.71 | 78.74 ± 16.91 | 81.25 ± 14.38 | 79.38 ± 14.09 | 80.00 ± 15.17 | 74.32 ± 14.94 | |
| Waist | 88.35 ± 13.60 | 92.41 ± 13.33 | 97.13 ± 12.05 | 96.92 ± 12.38 | 99.11 ± 12.45 | 97.60 ± 12.36 | |
| BMI | 27.78 ± 5.59 | 28.93 ± 5.56 | 30.58 ± 5.00 | 29.68 ± 5.12 | 30.12 ± 5.21 | 29.18 ± 5.03 | |
| BMI category (n) | |||||||
| Normal weight | 40 | 36 | 24 | 20 | 21 | 21 | |
| Overweight | 32 | 39 | 46 | 34 | 42 | 31 | |
| Obese | 35 | 55 | 87 | 35 | 58 | 41 | |
| TF | 10.92 ± 5.60 | 12.60 ± 5.69 | 14.11 ± 4.76 | 14.41 ± 4.94 | 14.74 ± 5.03 | 12.99 ± 4.59 | |
| BF | 25.61 ± 10.16 | 28.26 ± 10.23 | 31.01 ± 8.90 | 31.29 ± 8.75 | 31.09 ± 9.57 | 28.63 ± 9.06 | |
| APL | 21.16 ± 3.49 | 22.04 ± 4.08 | 21.50 ± 3.28 | 20.12 ± 3.25 | 20.45 ± 3.50 | 18.99 ± 3.47 | |
| TL | 21.50 ± 3.00 | 22.73 ± 3.57 | 23.08 ± 3.01 | 22.50 ± 3.23 | 23.01 ± 3.20 | 21.61 ± 3.25 | |
| BL | 45.88 ± 6.52 | 48.05 ± 7.72 | 47.84 ± 6.21 | 45.83 ± 6.38 | 46.76 ± 6.66 | 43.75 ± 6.67 |
Notes: TF, trunk fat; BF, body fat; TL, trunk lean; APL, appendicular lean; BL, body lean.