1990
DOI: 10.1037/0278-6133.9.5.647
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Effects of 24-hour ambulatory blood pressure monitoring on daily activities.

Abstract: Compared the self-monitored activities, locations, and postural positions of 28 hypertensives while they wore an alarm watch and then while they wore a 24-hr ambulatory blood pressure monitor (ABPM) to see if wearing the ABPM led to alterations in behavior. Within the limitations of the study (no counterbalancing of order and twice as many ABPM measures as watch measures), we found significant differences in frequency of being at home or in miscellaneous settings, in standing and reclining positions, and in me… Show more

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Cited by 15 publications
(11 citation statements)
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“…However, the possibility of collecting data over several days permits robust estimates of the cardiovascular concomitants of work to be obtained. There is evidence that people may alter their activities during days of ambulatory blood pressure monitoring, reducing energy expenditure and levels of social involvement (Blanchard, Cornish, Wittrock, & Jaccard, 1990;Costa et al, 1999). This effect may reduce the ecologic valid-ity of ambulatory monitoring techniques.…”
Section: Discussionmentioning
confidence: 99%
“…However, the possibility of collecting data over several days permits robust estimates of the cardiovascular concomitants of work to be obtained. There is evidence that people may alter their activities during days of ambulatory blood pressure monitoring, reducing energy expenditure and levels of social involvement (Blanchard, Cornish, Wittrock, & Jaccard, 1990;Costa et al, 1999). This effect may reduce the ecologic valid-ity of ambulatory monitoring techniques.…”
Section: Discussionmentioning
confidence: 99%
“…There is no reason to expect, however, that self-focused attention would differ by these health status variables. Second, because we assessed mood and social interactions at fixed intervals (i.e., every 30 minutes) rather than randomly, some participants might have planned their daily activities so that they would avoid potentially embarrassing social interactions at the time of a blood pressure reading (Blanchard, Cornish, Wittrock, & Jaccard, 1990). The blood pressure monitor could be worn unobtrusively because the inflation of the blood pressure cuff was not audible and the monitor could be concealed by a jacket.…”
Section: Discussionmentioning
confidence: 99%
“…One is that within-subject relations among variables cannot be determined with adequate power. Another is that individuals may be unable to accurately recall major events (Monroe, 1982;Yager, Grant, Sweetwood, & Gerst, 1981) or daily experiences (Blanchard, Cornish, Wittrock, & Jaccard, 1990) over extended periods, and there may in fact be systematic bias in the recall of everyday experiences due to implicit hypotheses people hold about the stability or change of these experiences (Neisser, 1991 ;Ross, 1989). Personality researchers face a particularly thorny problem when these sources of systematic bias are related to the individual differences under study.…”
Section: The Challenge To Our Methodsmentioning
confidence: 99%