Table 3.

Self-monitored systolic blood pressure: coefficients of variation (%) from different combinations of monitoring duration, and interval between monitoring.

	Duration of monitoring, weeks
Interval, weeks	1	2	3	4
0	3.0	2.7	2.3	2.7
1	3.7	2.8	2.7	3.4
2	3.9	2.9	3.3	4.0
3	4.0	3.6	4.9	4.8
4	4.2	4.1	4.6	5.0
5	4.4	5.1	5.0
6	5.2	5.0	5.2
7	5.6	5.2
8	5.5	5.7
9	6.1
10	6.6

Note that the interval is the period between the end of the first monitoring period and the start of the second.