Table 1.
Participant characteristics by site, sex and sample group
| Ghana | South Africa | Jamaica | Seychelles | United States |
Total | |
|---|---|---|---|---|---|---|
| Equation Development Sample | ||||||
| N | 44 | 50 | 47 | 54 | 49 | 244 |
| % Female | 54.5 | 56.0 | 51.1 | 50.0 | 46.9 | 51.7 |
| Age (y) | 37.3 (5.8) | 33.6 (6.5) | 33.9 (5.9) | 33.3 (6.0) | 33.9 (5.7) | 34.3 (6.1) |
| Weight (kg) | 63.0 (12.7) | 75.4 (24.1) | 72.6 (18.9) | 72.0 (13.8) | 92.8 (22.9) | 75.5 (21.4) |
| Height (cm) | 162.9 (8.3) | 165.2 (5.6) | 169.5 (9.2) | 165.9 (7.4) | 171.5 (9.2) | 167.1 (8.5) |
| Body Mass Index (kg/m2) | 23.9 (5.8) | 27.8 (9.1) | 25.2 (6.0) | 26.2 (4.6) | 31.7 (8.5) | 27.0 (7.5) |
| Waist (cm) | 83.2 (11.7) | 90.4 (20.2) | 83.5 (14.0) | 85.6 (9.1) | 98.5 (19.4) | 88.3 (16.5) |
| TBW* (kg) | 34.6 (6.5) | 34.1 (5.1) | 35.9 (7.9) | 35.5 (6.4) | 42.8 (8.9) | 36.6 (7.7) |
| FFM (kg) | 47.5 (6.9) | 46.8 (9.0) | 49.2 (10.8) | 48.6 (8.7) | 58.6 (12.2) | 50.1 (10.5) |
| Body Fat (%) | 23.6 (11.6) | 34.4 (13.5) | 30.7 (11.6) | 31.4 (11.9) | 35.5 (12.3) | 31.3 (12.8) |
| Resistance (Ω) | 560.0 (94.7) | 576.3 (90.7) | 548.5 (92.6) | 553.9 (101.5) | 540.3 (78.7) | 555.8 (92.0) |
| Reactance (Ω) | 63.0 (8.6) | 60.4 (10.9) | 59.1 (9.9) | 71.3 (10.3) | 68.4 (11.6) | 64.6 (11.3) |
| Equation Validation Sample | ||||||
| N | 26 | 22 | 27 | 21 | 22 | 118 |
| % Female | 57.6 | 72.7 | 51.9 | 67.7 | 54.5 | 60.9 |
| Age (y) | 35.5 (6.3) | 33.9 (5.1) | 33.4 (5.2) | 32.3 (6.4) | 33.2 (6.2) | 33.7 (5.9) |
| Weight (kg) | 63.2 (12.9) | 76.2 (25.4) | 74.5 (12.7) | 79.5 (18.3) | 85.0 (16.3) | 75.2 (18.6) |
| Height (cm) | 162.2 (7.3) | 163.5 (8.3) | 169.8 (8.3) | 167.1 (6.1) | 170.5 (10.1) | 166.6 (8.7) |
| Body Mass Index (kg/m2) | 24.2 (5.7) | 28.6 (9.8) | 26.1 (5.6) | 28.5 (6.7) | 29.4 (5.9) | 27.2 (7.0) |
| Waist (cm) | 81.5 (11.2) | 93.9 (20.2) | 86.0 (14.2) | 92.3 (14.3) | 95.1 (17.2) | 89.3 (16.1) |
| TBW* (kg) | 33.5 (6.1) | 33.0 (7.4) | 37.3 (5.2) | 35.5 (5.8) | 38.8 (7.2) | 35.6 (6.6) |
| FFM (kg) | 45.9 (8.3) | 45.2 (10.1) | 51.1 (7.1) | 48.7 (7.9) | 53.2 (9.9) | 48.8 (9.0) |
| Body Fat (%) | 26.1 (13.2) | 38.0 (12.2) | 29.8 (13.5) | 37.0 (10.9) | 36.4 (11.4) | 33.0 (13.1) |
| Resistance (Ω) | 557.3 (91.8) | 602.1 (112.9) | 528.3 (61.5) | 568.4 (78.0) | 547.8 (60.4) | 559.2 (85.1) |
| Reactance (Ω) | 64.0 (10.2) | 63.8 (10.1) | 60.7 (8.2) | 73.4 (10.7) | 72.5 (10.3) | 66.5 (11.0) |
*
Measured using stable isotope dilution (mean of deuterium and 18oxygen dilution spaces).