Quantile regression coefficients of waist circumference distribution(cm) predicted from survey year, age group and educational group.
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1Hypothesis of equal coefficients for a variable in the regression equations for the 15%, 50% and 85% percentiles.2Compared to age 80–89.3Compared to left education ≥16 years.4Corresponds to predicted percentile for year = 1993, age-group = 70–79 & left education ≥16 years.
创建时间：
2015-12-02
