Table 3.

Negative Binomial Models Predicting the Number of Days in the Past Week with Sleep Difficulty, Adults aged 25–84, National Health Interview Survey, 2013–2018, n = 151,020.

table	Times with Difficulty Falling Asleep							Time with Difficulty Staying Asleep
	Model 1		Model 2		Model 3		Model 1			Model 2		Model 3
	b	p	b	p	b	p	b		p	b	p	b	p
Race/Ethnicity
Non-Hispanic White (Ref)
Non-Hispanic Black	−0.13	**	−0.01		0.04		−0.19		**	−0.12	**	−0.06
Hispanic	−0.09	**	0.02		−0.03		−0.24		**	−0.14	**	−0.18	**
Educational Attainment
Less than High School	0.48	**	0.63	**	0.11	**	0.24		**	0.38	**	0.02
High School	0.34	**	0.38	**	0.13	**	0.17		**	0.20	**	0.03
Some College	0.32	**	0.32	**	0.13	**	0.20		**	0.20	**	0.08	**
College+ (Ref)
Education X Race/Ethnicity
Black X Less than High School			−0.31	**	−0.29	**				−0.24	**	−0.23	**
Black X High School			−0.23	**	−0.30	**				−0.15	**	−0.18	**
Black X Some College			−0.06		−0.08					−0.03		−0.04
Hispanic X Less than High School			−0.37	**	−0.17	**				−0.35	**	−0.19	**
Hispanic X High School			−0.14	*	−0.04					−0.13	*	−0.05
Hispanic X Some College			−0.04		0.00					−0.03		0.00
Constant	−0.44	**	−0.49	**	−0.71	**	−0.75		**	−0.79	**	−1.10	**

*p < 0.05 **p < 0.01.

Source: National Health Interview Survey, 2013–2018.

Model 1 and Model 2 adjust for Demographic Characteristics: Age, Age², Region, Marital Status, Number of Children, Nativity, and Survey Year. Model 3 additionally adjusts for Health and Socioeconomic Characteristics: Smoking status, Alcohol consumption, Body Mass Index, Self-reported Health, Kessler-6 Scale, Household income, Occupational class, Hours worked per week, and Home Ownership.