Table 2.
Body composition by assessment method and time period
| DXAv1 | DXAv2 | Skinfolds† | PEAPOD† | |
|---|---|---|---|---|
| Newborn (n=41) | ||||
| Mass (g) | 3903±550 | 3907±550 | ||
| FM (g) | 369±195* | 572±273 | ||
| FFM (g) | 3534±412* | 3335±371 | ||
| %fat | 9.1±3.8* | 14.2±5.5 | 9.8±2.4* | |
| BMC (g) | 73±12 | 74±13 | ||
| Newborn with PEAPOD (n=28) | ||||
| Mass (g) | 3870±482 | 3876±482 | ||
| FM (g) | 333±152 | 551±251 | 379±171* | |
| FFM (g) | 3538±369 | 3325±322 | 3175±343* | |
| %fat | 8.3±3.1* | 13.8±5.2 | 9.8±2.4* | 10.4±4.0* |
| 1 years old (n=30) | ||||
| Mass (g) | 9586±1048 | 9590±1048 | ||
| FM (g) | 2141±400* | 3221±649 | ||
| FFM (g) | 7445±903* | 6369±938 | ||
| %fat | 22.4±3.4* | 33.6±5.7 | 14.6±2.7* | |
| BMC (g) | 209±28 | 210±29 | ||
| 1Yr Delta | ||||
| FM (g) | 1795±398 | 2667±617 | ||
| FFM (g) | 3906±734* | 3034±750 | ||
| %fat | 13.6±4.0* | 19.7±6.0 | 4.8±2.5* |
*
p<0.05 different from DXAv2; mean±SD; Delta (change from 2wk to 1yr); BMC=bone mineral content; FFM=fat-free mass; FM=fat mass.
†
PeaPod FM and FFM are es8mated from Mass (scale weight) and %fat