Trends in Systolic Blood Pressure in the Thousand Aviator Cohort Over a 24-year Period
Naval Aerospace Medical Institute, Naval Aerospace Medical Center, 1967 - Systolic blood pressure - 18 pages
A cohort of 1056 normotensive, healthy, young men initially examined in 1940 at the mean age of 24 years was followed at three periodic intervals until 1964. The cohort demonstrated little change in mean systolic blood pressure beyond age 35; a portion of this cohort showed no rise of systolic blood pressure with age. If the men are classified according to systolic blood pressure in 1940, those men in the upper quintile tend to remain high; when classified by quintile in 1951, those men at the extremes maintained their relative position for the period of the study. Predictive utility of a systolic blood pressure may be a function of its actual level as well as the age of the individual. Two factors further influenced the systolic blood pressure of this cohort, namely parental longevity and weight gain independent of arm circumference. The effect of those factors separately and in combination changed as the cohort grew older. (Author).
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1056 normotensive 24-YEAR PERIOD 25 April according to systolic actual level Aerospace Medical Institute age of 24 arm circumference cent change in mean classified according classified by quintile cohort grew older cohort of 1056 combination correlation demonstrated little change distribution effect examined in 1940 Figure followed at three function Graybiel healthy independent of arm individual influenced the systolic initially examined longevity and weight maintained their relative mean age mean systolic blood Mean Systolic Score measured middle age NASA Order R-136 Naval Aerospace Medical Oberman Pensacola population portion Predictive utility pressure beyond age pressure Hypertension Epidemiology pressure in 1940 pressure with age quintile in 1951 relative position remain high rise of systolic showed no rise significance systolic blood pressure systolic pressure Table THOUSAND AVIATOR COHORT three periodic intervals TRENDS IN SYSTOLIC upper quintile tend values variables variance weight gain independent young men initially