Table 8.

Results of multiple linear regression analyses between major sleeping symptoms and pillow design factors according to sleeping positions.

Dependent Variables: Major Sleeping Symptoms	Sleeping Position	Independent Variables: Pillow Factors	B	β	t	p-Value
Less Head Fatigue	Supine	Head Support	0.382	0.372	5.738	0.000
		Head Shape	0.263	0.268	3.383	0.001
		Neck Shape	0.210	0.234	3.331	0.001
	Lateral	Head Support	0.291	0.310	3.985	0.000
		Head Shape	0.430	0.459	5.910	0.000
Less Neck Fatigue	Supine	Neck Support	0.236	0.240	3.565	0.000
		Neck Shape	0.543	0.520	7.719	0.000
	Lateral	Neck Support	0.249	0.234	2.934	0.004
		Neck Height	0.294	0.291	3.208	0.002
		Neck Shape	0.287	0.271	2.799	0.006
Less Shoulder Pain	Supine	Neck Height	0.199	0.193	2.559	0.011
		Shoulder Shape	0.487	0.447	5.941	0.000
	Lateral	Neck Height	0.296	0.275	3.371	0.001
		Shoulder Shape	0.386	0.372	4.561	0.000