Table 4.

Linear Regression of Imputed Systolic Blood Pressure By Periodic Limb Movements Indices

Systolic Blood Pressure; Estimate (95% Confidence Interval)
	Group	Unadjusted	p-value	Minimally Adjusted	p-value	Fully Adjusted	p-value
PLMI (10 unit)
By Race	Overall	0.65 (0.00,1.30)	0.05	0.09 (−0.51,0.70)	0.70	0.08 (−0.28,0.87)	0.87
	African-American	1.53 (0.06,2.99)	0.04	1.05 (−0.39,2.50)	0.051	1.26 (−0.21,2.73)	0.09
	Caucasian	0.54 (−0.39,1.47)	0.25	−0.07 (−0.98,0.84)	0.72	−0.08 (−0.98,0.82)	0.86
	Hispanic	0.35 (−0.88,1.58)	0.57	−0.22 (−1.39,0.96)	0.052	−0.21 (−1.39,0.96)	0.71
	Chinese-American	2.23 (0.41,4.05)	0.02	1.04 (−0.65,2.73)	0.07	1.01 (−0.69,2.71)	0.24
PLMAI (1 unit)
By Race	Overall	0.52 (0.06,0.97)	0.03	0.19 (−0.23,0.62)	0.37	0.35 (−0.09,0.79)	0.12
	African-American	1.07 (0.09,2.04)	0.03	0.84 (−0.11,1.79)	0.08	1.01 (0.04,1.98)	0.04
	Caucasian	0.32 (−0.28,0.93)	0.29	−0.02 (−0.60,0.56)	0.94	−0.01 (−0.59,0.58)	0.98
	Hispanic	0.50 (−0.30,1.30)	0.22	0.14 (−0.62,0.90)	0.71	0.20 (−0.62,1.01)	0.63
	Chinese-American	1.71 (0.33,3.08)	0.02	0.88 (−0.40,2.16)	0.17	0.82 (−0.50,2.14)	0.22

Minimal adjustment included covariates gender, age and BMI.

Full adjustment included covariates gender, age, BMI, race/ethnicity, education, income, smoking status, alcohol use, atrial fibrillation, diabetes, depression scale, exercise scale (log transform), AHI, and arousal index.