Table 2.

Mixed model analysis impact of time, program, and program × time interaction on insomnia, sleep hygiene, morning-eveningness, depression, anxiety, and SWD risk (n = 149).

	SHI	ISI	MEQ	FOSQ-10	PHQ-9	GAD-7	SWD risk %
Time Point
Baseline	32.58 (31.10–34.06)	8.13 (−7.01–9.25)	37.50 (35.97–39.03)	16.65 (16.14–17.15)	4.56 (3.83–5.30)	3.44 (2.75–4.13)	.25 (0.12–0.38)
Follow-up	31.87 (30.40–33.36)	6.27 (5.15–7.40)	38.55 (37.02–40.08)	17.15 (16.64–17.65)	3.45 (2.71–4.18)	2.51 (1.82–3.20)	.24 (0.11–0.36)
P	.356	.001*	.143	.055	.006*	.013*	.784
Program
Control	31.75 (29.93–33.57)	6.90 (−5.53–8.28)	38.51 (36.61–40.42)	16.85 (16.22–17.47)	3.72 (2.84–4.61)	2.56 (1.73–3.40)	0.26 (0.10–0.43)
Intervention	32.71 (30.75–34.67)	7.50 (6.03–8.97)	37.54 (35.48–39.60)	16.95 (16.28–17.61)	4.28 (3.34–5.22)	3.39 (2.50–4.28)	0.23 (0.04–0.41)
P	.441	.531	.462	.809	.359	.163	.722
Program × Timepoint Interaction
Control- pre	32.09 (30.03–34.16)	8.03 (6.47–9.59)	37.84 (35.72–39.95)	16.64 (15.93–17.35)	4.41 (3.38–5.44)	2.88 (1.91–3.85)	0.26 (0.03–0.44)
Control- post	31.41 (29.35–33.47)	5.77 (4.22–7.34)	39.19 (37.08–41.31)	17.05 (16.34–17.76	3.04 (2.01–4.07)	2.25 (1.28–3.22)	0.26 (0.09–0.44).
Intervention- pre	33.07 (29.35–33.47)	8.23 (6.62–9.84)	37.20 (34.95–39.38)	16.65 (15.92–17.38)	4.71 (3.67–5.76)	4.01 (3.02–4.99)	0.24 (0.05–0.43)
Intervention- post	32.35 (30.22–34.48)	6.77 (5.16–8.38)	37.91 (35.70–40.12)	17.24 (16.51–17.97)	3.85 (2.81–4.90)	2.77 (1.78–3.76)	0.21 (0.03–0.40)
P	.981	.477	.670	.728	.530	.416	.784

Values are presented as marginal mean (95% CI). *Significance P < .05 level (2-tailed). FOSQ-10 = Functional Outcomes of Sleep Questionnaire 10, GAD-7 = General Anxiety Disorder Questionnaire, ISI = Insomnia Severity Index, MEQ = Morningness-Eveningness Questionnaire, PHQ-9 = Patient Health Questionnaire, SHI = Sleep Hygiene Index.