Table 3.

Associations of Actigraphy-Based Sleep Duration with HAA

	Less than 7 hours sleep duration			Greater than 7 hours sleep duration
Sleep Duration	No. Participants	Change in HAA per 1 hour increment in sleep duration (95% CI)	P-value	No. Participants	Change in HAA per 1 hour increment in sleep duration (95% CI)	P-value
Model 1
Less than 25 kg/m2	69	14.45 (−12.03 to 40.94)	0.28	302	22.98 (−3.91 to 49.88)	0.09
25–30 kg/m2	132	−12.92 (−31.21 to 5.38)	0.17	405	−12.94 (−37.77 to 11.89)	0.31
Greater than 30 kg/m2	121	−9.93 (−27.04 to 7.19)	0.26	387	−23.33 (−48.14 to 1.48)	0.07
Model 2
Less than 25 kg/m2	69	3.28 (−16.96 to 23.52)	0.75	302	33.13 (13.16 to 53.09)	0.001
25–30 kg/m2	132	6.91 (−7.16 to 20.97)	0.34	405	−8.56 (−27.01 to 9.89)	0.36
Greater than 30 kg/m2	121	−0.74 (−13.58 to 12.09)	0.91	387	−20.75 (−39.16 to −2.34)	0.03

Model 1: adjusted for study site, radiation dose, lung volume imaged.

Model 2: Model 1 + age, sex, race/ethnicity, smoking status, cigarette pack-years, percent emphysema, systolic and diastolic blood pressures, statin use, apnea-hypopnea index, total intentional exercise, education attainment, diabetes, and antidepressant use.

P-values for BMI interaction (Model 1): 0.22 (less than 7 hours sleep duration); 0.04 (greater than 7 hours sleep duration)

P-values for BMI interaction (Model 2): 0.72 (less than 7 hours sleep duration); <0.001 (greater than 7 hours sleep duration)