Self-Monitoring Home Blood Pressure in Community-Dwelling Older People: Age Differences in White-Coat and Masked Phenomena and Related Factors—The SONIC Study

Table 3

Number of participants by age group with different ΔSBP in antihypertensive participants.

	ΔSBP < 0 (N = 92)	0 ≦ ΔSBP ≦ 10 (N = 67)	ΔSBP>10 (N = 132)	-value
70s N (%)	14 (23.3)	14 (23.3)	32 (53.4)	0.223
80s N (%)	66 (33.2)	46 (23.1)	87 (43.7)	0.568
90s N (%)	12 (37.5)	7 (21.9)	13 (40.6)	※0.223

ΔSBP = On-site_SBP-Home_SBP; statistical analysis: chi-square test. ※: ΔSBP < 0 vs. ΔSBP > 10.