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KMID : 0380819920140020117
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Korean Journal of Epidemiology
1992 Volume.14 No. 2 p.117 ~ p.127
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A Study on Statistics Used to test the Tracking Phenomenon of Blood Pressure in Childhood
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Abstract
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This study was conducted to investigate the behavior of statistics, correlation analysis and 2×2 contingency table analysis, which were used to test the tracking phenomenon of blood pressure in childhood. Data were randomly generated by
Blomqvist's
model.
@ES The results of this study were as follows:
@EN 1. The correlation coefficients and probabilities of remaining in the upper quartile increased by the degree of tracking index θ, and decreased by the degree of within individual variation σe².
2. The estimates of test statistics at θ=0.1, and θe²=8²were lower than those at θ=0.0, and σe²=6².
The results indicate that within individual variation must be considered to study the tracking phenomenon of blood pressure.
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KEYWORD
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