Table 4.
Men’s segmental body composition variables (mean ± standard deviation) obtained by DXA in National Health and Nutrition Examination Surveys (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 | 285 | 289 | 297 | 270 | 312 | 531 |
| Height | 178.77 ± 6.98 | 177.76 ± 7.08 | 178.47 ± 6.70 | 177.26 ± 7.05 | 176.37 ± 6.71 | 172.37 ± 7.08 | |
| Weight | 84.62 ± 15.93 | 86.54 ± 16.34 | 89.54 ± 15.43 | 89.30 ± 14.95 | 90.18 ± 15.57 | 80.74 ± 14.09 | |
| Waist | 92.78 ± 12.61 | 96.35 ± 12.63 | 100.57 ± 11.54 | 103.15 ± 11.85 | 106.34 ± 12.09 | 102.38 ± 11.12 | |
| BMI | 26.45 ± 4.60 | 27.33 ± 4.56 | 28.06 ± 4.20 | 28.44 ± 4.61 | 28.94 ± 4.46 | 27.11 ± 4.05 | |
| BMI category (n) | |||||||
| Normal weight | 122 | 97 | 75 | 61 | 61 | 169 | |
| Overweight | 103 | 115 | 135 | 118 | 137 | 242 | |
| Obese | 60 | 77 | 87 | 91 | 114 | 120 | |
| TF | 9.08 ± 4.99 | 10.46 ± 5.12 | 11.90 ± 4.80 | 13.18 ± 5.23 | 14.33 ± 5.15 | 12.28 ± 4.49 | |
| BF | 19.03 ± 8.84 | 20.37 ± 8.49 | 22.27 ± 7.70 | 23.87 ± 8.31 | 25.43 ± 8.25 | 22.66 ± 7.39 | |
| APL | 28.52 ± 4.24 | 28.71 ± 4.58 | 28.80 ± 4.43 | 27.55 ± 3.95 | 26.87 ± 4.23 | 23.60 ± 3.76 | |
| TL | 30.73 ± 4.41 | 31.11 ± 4.64 | 32.09 ± 4.52 | 31.57 ± 4.17 | 31.62 ± 4.46 | 28.60 ± 4.15 | |
| BL | 62.83 ± 8.65 | 63.41 ± 9.25 | 64.49 ± 8.93 | 62.74 ± 8.10 | 62.08 ± 8.67 | 55.63 ± 7.96 | |
| African-American | n | 130 | 131 | 150 | 98 | 117 | 95 |
| Height | 177.57 ± 7.52 | 177.15 ± 7.19 | 176.81 ± 6.41 | 176.16 ± 6.98 | 175.22 ± 7.36 | 171.95 ± 7.08 | |
| Weight | 83.85 ± 17.65 | 85.01 ± 15.92 | 86.76 ± 16.20 | 87.84 ± 17.43 | 87.43 ± 15.86 | 80.97 ± 15.38 | |
| Waist | 87.73 ± 13.80 | 91.39 ± 12.10 | 95.36 ± 12.76 | 99.79 ± 13.57 | 101.34 ± 12.51 | 99.94 ± 11.54 | |
| BMI | 26.58 ± 5.34 | 27.03 ± 4.43 | 27.69 ± 4.58 | 28.20 ± 4.80 | 28.44 ± 4.62 | 27.31 ± 4.50 | |
| BMI category (n) | |||||||
| Normal weight | 63 | 45 | 52 | 25 | 27 | 31 | |
| Overweight | 33 | 53 | 53 | 39 | 48 | 43 | |
| Obese | 34 | 33 | 45 | 34 | 42 | 21 | |
| TF | 7.05 ± 4.72 | 8.11 ± 4.27 | 9.51 ± 4.65 | 10.70 ± 5.11 | 11.11 ± 5.13 | 11.12 ± 4.55 | |
| BF | 16.62 ± 9.46 | 17.43 ± 7.76 | 19.42 ± 8.07 | 20.82 ± 8.73 | 21.49 ± 8.47 | 21.88 ± 7.87 | |
| APL | 31.06 ± 5.39 | 30.97 ± 5.02 | 30.49 ± 5.02 | 29.71 ± 5.00 | 28.69 ± 4.33 | 25.38 ± 4.61 | |
| TL | 29.36 ± 4.76 | 29.93 ± 4.47 | 30.29 ± 4.56 | 30.68 ± 4.69 | 30.56 ± 4.55 | 27.46 ± 4.04 | |
| BL | 64.17 ± 10.27 | 64.57 ± 9.42 | 64.46 ± 9.59 | 64.15 ± 9.74 | 63.07 ± 8.82 | 56.47 ± 8.66 |
Notes: TF, trunk fat; BF, body fat; TL, trunk lean; APL, appendicular lean; BL, body lean.