| Relative change in MRI percent water, geometric meansa (95 % CI) | |||
---|---|---|---|---|
Complete datab | Imputed datac (n = 491) | |||
Absolute size vs. rate of growth | n = 455 |  | ||
Model 1 | Birthweight (per 1 SD 472.6 g) | 1.03 (1.02–1.05) | 1.03 (1.02–1.05) | |
Model 2 | Birthweight (per 1 SD 472.6 g) | 1.04 (1.02–1.06) | 1.04 (1.02–1.06) | |
 | Gestational age (weeks) | <39 | 1 (ref) | 1 (ref) |
39 | 0.97 (0.92–1.02) | 0.97 (0.92–1.02) | ||
40 | 0.97 (0.92–1.02) | 0.97 (0.92–1.02) | ||
41+ | 0.96 (0.92–1.01) | 0.96 (0.92–1.01) | ||
LR test/Wald test p valued | Â | 0.519 | 0.477 | |
Which measure best captures linear (skeletal) growth? | n = 356 |  | ||
 Birth length (per 1 SD 2.3 cm) | 1.00 (0.98–1.02) | 1.01 (0.99–1.03) | ||
 Head circumference (per 1 SD 1.2 cm) | 1.02 (1.00–1.05) | 1.02 (1.00–1.04) | ||
Linear growth vs. adiposity | n = 361 |  | ||
Model 1 | Birthweight (per 1 SD 472.6 g) | 1.03 (1.01–1.05) | 1.03 (1.02-1.05) | |
Model 2 | Birthweight (per 1 SD 472.6 g) | 1.03 (1.00–1.06) | 1.03 (1.01–1.06) | |
 | Head circumference (per 1 SD 1.2 cm) | 1.01 (0.98–1.03) | 1.00 (0.97–1.03) | |
LR test/Wald test p valued (n = 353) | 0.671 | 0.917 | ||
Model 1 | Birthweight (per 1 SD 472.6 g) | 1.03 (1.01–1.05) | 1.03 (1.02–1.05) | |
Model 2 | Birthweight (per 1 SD 472.6 g) | 1.03 (1.01–1.05) | 1.03 (1.02–1.05) | |
 | Ponderal Index (per 1 SD 4.1 g/cm3) | 1.01 (0.99–1.02) | 1.00 (0.99–1.02) | |
LR test/Wald test p valued | 0.577 | 0.654 |