Table 4.

Results for Primary and Secondary Behavioral Sleep Outcomes

	Sleep Efficiency (SE)	Total Wake Time (TWT)	Sleep Onset Latency (SOL)	Wake After Sleep Onset (WASO)
Fixed Effects
Intercept	81.6(0.8)**	90.3(4.9)**	27.8(2.9)**	45.6(2.6)**
Group	−0.8(1.6)	−0.5(9.8)	−1.5(5.8)	−0.5(5.2)
Age	0.1(0.1)	−0.5(0.5)	−0.2(0.3)	−0.1(0.2)
Stage	−1.4(1.8)	13.9(10.6)	7.6(6.2)	−1.2(5.7)
Rate of Change
Occasion (Linear)	0.1(0.1)*	−1.2(0.5)*	−0.2(0.2)	−0.8(0.2)**
xGroup	−0.1(0.1)	−0.1(0.9)	−0.1(0.5)	<0.1(0.4)
Random Effects
Residual	7.4(2.4)**	201.4(65.3)**	117.8(26.7)**	71.2(22.3)**
Intercept	16.3(5.5)**	603.8(224.9)**	194.0(71.7)**	169.1(53.0)**
Occasion (Linear)	<0.1(<0.1)	2.9(1.9)	***	0.4(0.4)
Fit Statistics
2LL (null)	479.4	782.2	693.1	670.5
2LL (final)	421.9	695.8	619.0	600.9
Δχ2	57.5**	86.4**	74.2**	69.6**

Note. Behavioral sleep data was derived from participant actigraphy data collected at each timepoint.

^*p≤0.05.

^**p≤0.01.

^***Unable to calculate due to resulting problems with the final hessian matrix. Standard errors are in parentheses.