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. 2018 Mar 21;15(4):564. doi: 10.3390/ijerph15040564

Table 2.

Fully Adjusted Prevalence Ratios for Sleep Duration and Sleep Difficulties for Mobile Home/Trailer Residents Compared to People in Houses/Apartments, among U.S. Men and Women (Black and White): National Health Interview Survey, 2004–2015 (N = 226,208).

House/Apartment Mobile Home/Trailer House/Apartment Mobile Home/Trailer
Men: Overall (N = 102,108) Women: Overall (N = 124,100)
Sleep duration
 <7 versus 7–8 h 1.0 1.05 (1.02–1.08) 1.0 1.07 (1.04–1.09)
 ≥9 versus 7–8 h 1.0 1.09 (1.03–1.15) 1.0 1.03 (0.98–1.08)
Trouble falling asleep (yes) * 1.0 1.01 (0.97–1.06) 1.0 1.02 (0.98–1.05)
Trouble staying asleep (yes) * 1.0 1.01 (0.97–1.06) 1.0 1.01 (0.98–1.05)
Days woke up feeling rested (most) * 1.0 0.98 (0.95–1.02) 1.0 0.92 (0.89–0.96)
Times took sleep medication last week ≥1) * 1.0 1.00 (0.93–1.08) 1.0 1.01 (0.95–1.07)

PR = Prevalence Ratio; CI = Confidence Interval; Models are adjusted for age, educational attainment, income, occupational class, health status, and region of residence. 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.