Table 2.

Mixed Linear Models Examining Group*Sleep Interactions on Ventral Striatum Response to Rewards

Mixed Linear Modelsa	AIC	F	df	stand. β	Lower CI	Upper CI	p
1. Actigraphy Estimates of Sleepb	310.01
Group (Anxiety vs. No Dx)		2.191	1, 105	.385	−.109	.880	.127
Sleep Duration		.708	1, 105	−.073	−.288	.141	.502
Sleep Onset LatencyLN		.491	1, 105	−.049	−.231	.132	.593
Wake After Sleep OnsetLN		.447	1, 105	−.149	−.348	.050	.143
Sleep Timing VariabilityLN		.489	1, 105	−.000	−.191	.190	.997
Group*Sleep Duration		.447	1, 105	−.130	−.564	.304	.559
Group*Sleep Onset Latency		.047	1, 105	−.017	−.450	.416	.940
Group*Wake After Sleep Onset		5.146	1, 105	−.504	−.963	−.045	.031*
Group*Sleep Timing Variability		.007	1, 105	−.004	−.416	.408	.986
2. Diary Estimates of Sleepb	297.27
Group (Anxiety vs. No Dx)		.502	1, 105	.178	−.324	.680	.487
Sleep Duration		4.099	1, 105	−.182	−.386	.022	.081
Sleep Onset LatencyLN		.263	1, 105	.056	−.141	.252	.580
Wake After Sleep OnsetLN		2.784	1, 105	−.160	−.351	.032	.102
Difficulty Waking		.112	1, 105	.009	−.174	.193	.920
Group*Sleep Duration		.072	1, 105	−.050	−.504	.404	.828
Group*Sleep Onset Latency		.371	1, 105	.077	−.322	.475	.705
Group*Wake After Sleep Onset		14.532	1, 105	−.851	−1.297	−.406	<.001*
Group*Difficulty Waking		.024	1, 105	.001	−.462	.465	.995
3. Q-Reported Sleep Problems	302.42
Group (Anxiety vs. No Dx)		.410	1, 105	.197	−.413	.806	.527
Parent CSHQLN		.070	1, 105	−.025	−.252	.202	.829
Child SSRLN		.006	1, 105	−.001	−.235	.233	.994
Group*Parent CSHQ		4.806	1, 105	−.563	−1.076	−.051	.031*
Group*Child SSR		.250	1, 105	−.110	−.568	.348	.637

Note.

^aCovariates: MFQ Total Score, PDS Score (coded range 1–5), age, sex.

^bAdditional Covariates: number of recorded nights, number of recorded school nights.

^LNNatural log-transformed prior to inclusion.