Table 5.
Fit statistics for ACE sleep-moderation models
| Model Fit | |||||||
|---|---|---|---|---|---|---|---|
| Models fitted by cognitive test | -2LL | K | AIC | BIC | Δχ 2 | Δdf | p |
| Animal Naming | |||||||
| 1. ACE Full (Sleep Duration and Age Moderation) | 84635.78 | 28 | 84691.78 | 84855.31 | - | - | - |
| 2. Sleep Moderation only on AE | 84639.09 | 27 | 84693.09 | 84850.78 | 3.31 | 1 | .07 |
| 3. Sleep Moderation only on AC | 84635.86 | 27 | 84689.86 | 84847.54 | 0.08 | 1 | .78 |
| 4. Sleep Moderation only on CE | 84638.19 | 27 | 84692.19 | 84849.87 | 2.41 | 1 | .12 |
| 5. Sleep Moderation only on A | 84639.14 | 26 | 84691.14 | 84842.99 | 3.36 | 2 | .19 |
| 6. Sleep Moderation only on C | 84639.09 | 26 | 84691.09 | 84842.94 | 3.31 | 2 | .19 |
| 7. Sleep Moderation only on E | 84641.28 | 26 | 84693.29 | 84845.13 | 5.5 | 2 | .06 |
| 8. ACE age moderation | 84645.06 | 25 | 84695.06 | 84841.07 | 9.28 | 3 | .03 |
| Block Design | |||||||
| 1. ACE Full (Sleep Duration and Age Moderation) | 19496.16 | 27 | 19550.17 | 19666.68 | - | - | - |
| 2. Sleep Moderation only on AE | 19499.66 | 26 | 19551.66 | 19663.86 | 3.5 | 1 | .06 |
| 3. Sleep Moderation only on AC | 19496.34 | 26 | 19548.34 | 19660.54 | 0.18 | 1 | .67 |
| 4. Sleep Moderation only on CE | 19498.49 | 26 | 19550.49 | 19662.69 | 2.33 | 1 | .13 |
| 5. Sleep Moderation only on A | 19500.12 | 25 | 19550.12 | 19658.00 | 3.96 | 2 | .14 |
| 6. Sleep Moderation only on C | 19498.86 | 25 | 19548.86 | 19656.74 | 2.69 | 2 | .26 |
| 7. Sleep Moderation only on E | 19501.18 | 25 | 19551.18 | 19659.07 | 5.02 | 2 | .08 |
| 8. ACE age moderation | 19501.25 | 24 | 19549.25 | 19652.82 | 5.09 | 3 | .17 |
| Symbol Digit (ACE Model) | |||||||
| 1. ACE Full (Sleep Duration and Age Moderation) | 81872.50 | 28 | 81928.50 | 82090.11 | - | - | - |
| 2. Sleep Moderation only on AE | 81874.56 | 27 | 81928.56 | 82084.41 | 2.07 | 1 | .15 |
| 3. Sleep Moderation only on AC | 81872.60 | 27 | 81926.6 | 82082.45 | 0.11 | 1 | .74 |
| 4. Sleep Moderation only on CE | 81874.74 | 27 | 81928.74 | 82084.58 | 2.24 | 1 | .13 |
| 5. Sleep Moderation only on A | 81874.56 | 26 | 81926.56 | 82076.63 | 2.07 | 2 | .36 |
| 6. Sleep Moderation only on C | 81875.26 | 26 | 81927.26 | 82077.33 | 2.76 | 2 | .25 |
| 7. Sleep Moderation only on E | 81874.85 | 26 | 81926.85 | 82076.92 | 2.35 | 2 | .31 |
| 8. ACE age moderation | 81875.28 | 25 | 81925.28 | 82069.58 | 2.78 | 3 | .43 |
| Word List | |||||||
| 1. ACE Full (Sleep Duration and Age Moderation) | 87326.66 | 29 | 87384.66 | 87554.75 | - | - | - |
| 2. Sleep Moderation only on AE | 87332.19 | 28 | 87388.2 | 87552.42 | 5.54 | 1 | .02 |
| 3. Sleep Moderation only on AC | 87326.66 | 28 | 87382.66 | 87546.89 | 0.01 | 1 | .93 |
| 4. Sleep Moderation only on CE | 87330.46 | 28 | 87386.23 | 87550.45 | 3.80 | 1 | .05 |
| 5. Sleep Moderation only on A | 87332.38 | 27 | 87386.38 | 87544.74 | 5.73 | 2 | .06 |
| 6. Sleep Moderation only on C | 87333.38 | 27 | 87387.39 | 87545.75 | 6.73 | 2 | .03 |
| 7. Sleep Moderation only on E | 87333.06 | 27 | 87387.06 | 87545.42 | 6.41 | 2 | .04 |
| 8. ACE age moderation | 87333.60 | 26 | 87385.60 | 87538.10 | 6.94 | 3 | .07 |
A = additive genetic influences, C = shared environmental influences, E = non-shared environmental influences, age moderation is maintained in all models, only sleep duration moderation is selectively dropped on A, C, or E components.