Table 4.

Anxiety: Age Group Self-Perceived Insomnia Symptom Improvement Comparisons

	Estimate	Std. Error	df	t value	p value	Cohen’s D [95% CI]
[18–24] – [25–34]	0.669	0.305	586.7	2.192	0.173	0.18 [0.02, 0.34]
[18–24] – [35–44]	−0.397	0.362	451.8	−1.098	1.000	−0.10 [− 0.29, 0.08]
[18–24] – [45+]	0.208	0.495	413.9	0.421	1.000	0.04 [− 0.15, 0.23]
[25–34] – [35–44]	−1.066	0.307	434.8	−3.474	0.004***	−0.33 [− 0.52,-0.14]
[25–34] – [45+]	−0.460	0.458	395.0	−1.006	1.000	−0.10 [− 0.30, 0.10]
[35–44] – [45+]	0.606	0.489	394.8	1.238	1.000	0.12 [−0.07, 0.32]

Table 4: N_sessions = 4631; N_subjects = 463. Self-perceived insomnia symptom improvement comparisons between age groups in anxiety. The self-perceived symptom improvement was tested used linear mixed modeling (beta coefficient was not standardized). ***p < .001