Table 3.
Subject characteristics at age 8–11 | BMIz in early adolescence (age 12–15) | BMIz in late adolescence (age 16–19) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Model 1 | Model 2 | Model 3 | Model 4 | |||||||||
β | SE | p-val | β | SE | p-val | β | SE | p-val | β | SE | p-val | |
Boys (n=157) | ||||||||||||
Sleep duration | −0.32 | 0.12 | 0.01 | −0.08 | 0.08 | 0.33 | −0.30 | 0.13 | 0.02 | −0.06 | 0.08 | 0.47 |
Age | −0.14 | 0.13 | 0.28 | 0.02 | 0.08 | 0.78 | 0.07 | 0.23 | 0.75 | 0.11 | 0.15 | 0.45 |
Time to follow-up | 0.01 | 0.16 | 0.94 | −0.04 | 0.10 | 0.69 | 0.35 | 0.28 | 0.21 | 0.15 | 0.17 | 0.38 |
African-American | 0.13 | 0.27 | 0.65 | −0.18 | 0.18 | 0.29 | 0.35 | 0.28 | 0.21 | 0.04 | 0.18 | 0.82 |
Low birth weight | −0.23 | 0.18 | 0.22 | 0.09 | 0.12 | 0.45 | −0.13 | 0.19 | 0.49 | 0.20 | 0.12 | 0.09 |
Low SES | 0.05 | 0.24 | 0.84 | 0.34 | 0.15 | 0.03 | −0.37 | 0.24 | 0.13 | −0.05 | 0.15 | 0.72 |
BMIz | -- | -- | -- | 0.78 | 0.05 | <0.001 | -- | -- | -- | 0.81 | 0.05 | <0.001 |
Girls (n=156) | ||||||||||||
Sleep duration | −0.11 | 0.10 | 0.27 | −0.01 | 0.07 | 0.89 | −0.07 | 0.10 | 0.49 | 0.03 | 0.07 | 0.64 |
Age | −0.11 | 0.17 | 0.51 | −0.14 | 0.12 | 0.24 | −0.14 | 0.17 | 0.42 | −0.16 | 0.12 | 0.17 |
Time to follow-up | −0.29 | 0.19 | 0.14 | −0.18 | 0.13 | 0.16 | −0.27 | 0.19 | 0.15 | −0.17 | 0.13 | 0.19 |
African-American | 0.33 | 0.23 | 0.16 | 0.34 | 0.15 | 0.03 | 0.29 | 0.23 | 0.21 | 0.31 | 0.16 | 0.05 |
Low birth weight | −0.25 | 0.15 | 0.10 | −0.01 | 0.10 | 0.99 | −0.22 | 0.15 | 0.15 | 0.03 | 0.10 | 0.77 |
Low SES | 0.51 | 0.21 | 0.02 | 0.22 | 0.14 | 0.13 | 0.39 | 0.21 | 0.06 | 0.10 | 0.14 | 0.46 |
BMIz | -- | -- | -- | 0.55 | 0.04 | <0.001 | -- | -- | -- | 0.55 | 0.04 | <0.001 |
Overall Model R2: Model 1 = 0.06; Model 2 = 0.62; Model 3 = 0.07; Model 4: 0.65.
Sleep Duration Partial R2: Model 1 = 0.04; Model 2 < 0.01; Model 3 = 0.03; Model 4: <0.01.
Overall Model R2: Model 1 = 0.16; Model 2 = 0.63; Model 3 = 0.12; Model 4: 0.60.
Sleep Duration Partial R2: Model 1 = 0.01; Model 2 < 0.01; Model 3 < 0.01; Model 4: <0.01.