Considering Psychosocial Factors When Investigating Blood Pressure in Patients with Short Sleep Duration: A Propensity Score Matched Analysis

Table 3

Prevalence of elevated blood pressure in the unmatched and matched populations.

	Unmatched population (n = 429)			Propensity score matched 1 : 1 (n = 137)
	Sleep duration ≤6 h	Sleep duration >6 h		Sleep duration ≤6 h	Sleep duration >6 h
No. of patients	72	357		72	65
Office BP (mm hg)
SBP ≥140, % (n)	41.7 (30)	44.0 (157)	0.718	41.7 (30)	35.4 (23)	0.451
DBP ≥90, % (n)	48.6 (35)	33.3 (119)	0.014	48.6 (35)	21.5 (14)	0.001
24-h BP (mm hg)
SBP ≥130, % (n)	55.6 (40)	53.2 (190)	0.717	55.6 (40)	46.2 (30)	0.272
DBP ≥80, % (n)	68.1 (49)	49.9 (178)	0.005	68.1 (49)	44.1 (28)	0.003
Office SBP/DBP≥ 140 and/or ≥ 90 (mm hg), % (n)	58.3 (42)	51.8 (185)	0.313	58.3 (42)	41.5 (27)	0.050
24-h SBP/DBP ≥130 and/or ≥ 80 (mm hg), % (n)	75.0 (54)	61.6 (220)	0.031	75.0 (54)	53.8 (35)	0.010

BP indicates blood pressure; SBP, systolic blood pressure; DBP, diastolic blood pressure.