Table 4.

Cross tabulation of quintiles of standard deviation (top panel) and standard deviation independent of the mean (bottom panel) for systolic blood pressure between the first seven versus second seven measurements.

		Quintile of SD, second 7 SBP measurements
		1	2	3	4	5	Total
Quintile of SD, first 7 SBP measurements	1	43	35	26	33	17	154
	2	45	30	27	27	25	154
	3	29	32	35	34	27	157
	4	24	28	43	25	33	153
	5	13	29	24	35	53	154
	Total	154	154	155	154	155	772

		Quintile of SDIM, second 7 SBP measurements
		1	2	3	4	5	Total
Quintile of SDIM, first 7 SBP measurements	1	38	36	33	30	18	155
	2	43	23	31	27	29	153
	3	32	30	35	28	31	156
	4	23	36	31	35	29	154
	5	18	29	25	35	47	154
	Total	154	154	155	155	154	772

Weighted kappa = 0.14 95% CI = (0.09, 0.19)

Weighted kappa = 0.10 95% CI = (0.05, 0.15)

SBP – systolic blood pressure, SD – standard deviation, SDIM – standard deviation independent of the mean