Table 4. Results from a multiple linear regression model of a high Thai-ESS score.

	B	SE	t	p	95% CI
Constant	1.809	0.268	6.760	<0.001
Gravidity	−0.055	0.204	−0.271	0.786	−0.46 to 0.35
Parity	−0.273	0.236	−1.153	0.250	−0.74 to 0.19
Alcohol	0.432	0.273	1.582	0.115	−0.11 to 0.97
History of RLS	1.143	0.700	1.631	0.104	−0.24 to 2.52
RLS during pregnancy	1.353	0.298	4.546	<0.001	0.77 to 1.94

ESS: Epworth Sleepiness Scale, RLS: restless legs syndrome, SE: standard error.