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Editor's Correspondence
May 10, 1999

Four-Year Test-Retest Reliability of Self-measured Blood Pressure

Arch Intern Med. 1999;159(9):1007-1008. doi:

Thijs and colleagues1 recently reported a meta-analysis of self-recorded blood pressure (BP) values. Given the convenience and increasing use of inexpensive automatic BP monitors, the long-term reliability of self-measured BP is of importance. Thus, we examined the 4-year test-retest reliability of home self-measured BP, which is considered less likely to be influenced by differential reactivity ("white-coat effect") to laboratory or clinical settings.2