Table 3.

Fully Adjusted Prevalence Ratios for Sleep Duration and Sleep Difficulties Compared to Housing Type among U.S. Black Men (referent White Men) and Black Women (referent White Women), National Health Interview Survey, 2004–2015 (N = 226,208).

	Men		Women
	House/Apartment	Mobile Home/Trailer	House/Apartment	Mobile Home/Trailer
Sample size	Black: 15,410 White: 80,857	Black: 758 White: 5083	Black: 23,795 White: 93,812	Black: 939 White: 5554
Sleep duration
<7 versus 7–8 h	1.26 (1.21–1.30)	0.90 (0.77–1.06)	1.24 (1.20–1.27)	0.89 (0.74–1.06)
≥9 versus 7–8 h	1.17 (1.09–1.27)	1.36 (1.11–1.67)	1.06 (1.00–1.13)	1.19 (0.93–1.53)
Trouble falling asleep (yes) *	0.84 (0.78–0.90)	0.83 (0.56–1.23)	0.84 (0.80–0.89)	0.77 (0.64–0.94)
Trouble staying asleep (yes) *	0.85 (0.80–0.91)	0.71 (0.51–0.99)	0.82 (0.78–0.86)	0.73 (0.56–0.95)
Days woke up feeling rested (most) *	1.05 (1.01–1.09)	1.10 (0.92–1.32)	1.06 (1.02–1.10)	1.59 (1.30–1.94)
Times took sleep medication last week ≥1) *	0.71 (0.61–0.82)	0.57 (0.30–1.09)	0.67 (0.61–0.73)	0.33 (0.22–0.50)

PR = Prevalence Ratio; CI = Confidence Interval; Adjusted for age, educational attainment, income, occupational class, health status, and region of residence. Note. All estimates are weighted for the survey’s complex sampling design. Boldface indicates statistically significant results at the 0.05 level. * data available from 2013–2015.