Geographic Distributions of Within-Population Variability in Blood Pressure

Data on mean blood pressure with standard deviation were extracted from the medical and anthropologie literature for as many populations as possible. The populations were classified as traditional, transitional, or modern. Both mean and within-population variability were found to be higher in more m...

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Bibliographic Details
Published in:Human biology 1991-10, Vol.63 (5), p.643-661
Main Authors: POLLARD, T.M., BRUSH, G., HARRISON, G.A.
Format: Article
Language:English
Subjects:
Adult
Age Factors
Age groups
Age structure
Anthropology. Demography
Biological and medical sciences
Blood pressure
Blood Pressure - genetics
Demographic aspects
Environment
Epidemiology
Genetic Variation
Geography
Homeostasis - genetics
Human physiology applied to population studies and life conditions. Human ecophysiology
Humans
Hypertension
Laws, regulations and rules
Medical sciences
Middle Aged
Modeling
Population
Population growth
Population mean
Reference Values
Regression Analysis
Regression coefficients
Sex Factors
Traditional societies
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Summary:Data on mean blood pressure with standard deviation were extracted from the medical and anthropologie literature for as many populations as possible. The populations were classified as traditional, transitional, or modern. Both mean and within-population variability were found to be higher in more modern populations, confirming the prediction that variability of a character of low heritability is higher in an adverse environment, where it is more difficult to maintain homeostasis. In addition, variability increases with age, indicating a breakdown in homeostasis with aging. On average, males had higher diastolic blood pressure than females, and on average, females had greater variability in systolic blood pressure than males. There was a highly significant negative relationship between latitude and within-population variability in blood pressure.
ISSN:0018-7143
1534-6617