Table 4.

Beta Estimates (95% CI) of sleep duration, sleep efficiency, and WASO associated with components of the household environment and in-bed behaviors (per SD increase), the Jackson Heart Sleep Study N = 231

	Self-reported				Actigraphy-measured
	Sleep Duration (min)		Habitual Sleep Duration (min)		Sleep Duration (min)		Sleep Efficiency (%)		WASO (min)
	β	95%CI			β	95%CI	β	95%CI	β	95%CI
Household environment
Feel unsafe at night	−9.1	−21.3, 3.2	−9.0	−21.3, 3.2	0.9	−7.7, 9.4	−0.3	−1.0, 0.3	2.0	−1.2, 5.3
Physically uncomfortable	−9.4	−21.5, 2.7	−9.3	−21.4, 2.8	−1.8	−10.3, 6.7	−0.2	−0.8, 0.5	0.3	−2.9, 3.6
Uncomfortable temperature	−8.7	−20.8, 3.4	−8.7	−20.7, 3.4	0.0	−8.4, 8.5	−0.4	−1.0, 0.3	1.7	−1.5, 4.9
Noise disturbance	−6.5	−18.7, 5.6	−6.5	−18.7, 5.7	−4.8	−13.2, 3.7	−0.6	−1.3, 0.1	1.1	−2.1, 4.3
Light disturbance	−5.1	−17.5, 7.3	−5.1	−17.5, 7.3	−1.6	−10.2, 7.1	0.3	−0.3, 1.0	−2.0	−5.3, 1.2
Unweighted score	−12.2*	−24.5, 0.2	−13.8 *	−26.1, −1.7	−3.2	−11.8, 5.4	−0.3	−1.0, 0.4	0.2	−3.1, 3.5
Weighted score	−13.9*	−26.1, −1.7	−13.9 *	−26.0, −1.7	−2.1	−10.7, 6.4	−0.7*	−1.4, 0.0	2.5	−0.8, 5.7
In-bed behaviors
Watch TV	−1.5	−13.9, 10.8	−1.5	−13.8, 10.8	3.7	−4.9, 12.2	−0.3	−1.0, 0.4	2.1	−1.1, 5.4
Listen to radio or music	7.3	−4.8, 19.3	7.3	−4.8, 19.4	−3.9	−12.3, 4.6	−0.9**	−1.5, −0.2	3.5*	0.3, 6.7
Computer/tablet/phone use	3.9	−9.2, 17.0	4.0	−9.1, 17.1	7.0	−2.1, 16.1	−0.5	−1.2, 0.3	3.2	−0.3, 6.6
Play video games	−2.1	−14.7, 10.4	−2.1	−14.6, 10.5	0.4	−8.3, 9.1	−0.4	−1.1, 0.3	2.7	−0.6, 6.0
Read books	4.0	−8.4, 16.3	4.1	−8.3, 16.4	−5.8	−14.4, 2.8	−0.7*	−1.3, 0.0	2.6	−0.7, 5.8
Eat meals or snacks	−3.8	−16.0, 8.3	−3.8	−16.0, 8.3	−8.7*	−17.1, −0.4	−0.9**	−1.5, −0.2	2.5	−0.7, 5.7
Unweighted score	2.8	−9.8, 15.4	2.9	−9.6, 15.5	−3.1	−11.8, 5.7	−1.1***	−1.8, −0.5	5.1***	1.8, 8.3
Weighted score	−4.2	−16.7, 8.2	−4.2	−16.6, 8.3	−9.7*	−18.0, −1.3	−1.2***	−1.9, −0.6	5.3***	2.1, 8.6

SD = standard deviation.

Adjusted for age, gender, educational attainment, and BMI. *** p < 0.001, ** p < 0.01, * p < 0.05.