Table 4.
Key subject characteristics by LER status
| Not LER (n = 106) | LER (n = 134) | P Value | |
|---|---|---|---|
| Age, y | 17.7 ± 0.4 | 17.6 ± 0.4 | 0.56 |
| Sex | |||
| Male | 51 (44.4) | 64 (55.6) | 0.96 |
| Female | 55 (44.0) | 70 (56.0) | |
| Race | |||
| African American | 21 (42.0) | 29 (58.0) | 0.73 |
| Non-African American | 85 (44.7) | 105 (55.3) | |
| Term Status | |||
| Preterm | 45 (44.1) | 57 (55.9) | 0.99 |
| Full term | 61 (44.2) | 77 (55.8) | |
| BMI, kg/m2 | 22.0 (20.5, 24.6) | 24.7 (21.8, 29.3) | < 0.001 |
| Obesity | |||
| Obese | 11 (25.0) | 33 (75.0) | 0.005 |
| Nonobese | 95 (48.5) | 101 (51.5) | |
| Mean weekday sleep durationd | |||
| Duration, h | 7.65 ± 1.12 | 7.48 ± 1.15 | 0.27 |
| Short | 67 (42.1) | 92 (57.9) | 0.38 |
| Long | 39 (48.1) | 42 (51.9) |
Data are shown as number (%) except age, which is mean ± SD, and body mass index (BMI), which is median (interquartile range). LER refers to low energy-intake reporters.
aColumn percentages shown;
bRow percentages shown;
cObesity is defined as a BMI ≥ 95th percentile or BMI ≥ 30;
d
Sleep duration is defined as short (< 8 h) and long (≥ 8 h).