Regression coefficients and 95% CI from linear regression analysis.

ENNS 2006–2007 and NHANES 2007–2008.1Data are regression coefficients and 95% CI adjusted for sex.2Data are regression coefficients and 95% CI adjusted for age.3Data are regression coefficients and 95% CI adjusted for age and sex.4Data are regression coefficients and 95% CI adjusted for age, sex and smoking status.本数据集来源于ENNS 2006–2007与NHANES 2007–2008。1 数据为经性别校正的回归系数及95%置信区间（Confidence Interval，CI）。2 数据为经年龄校正的回归系数及95%置信区间（CI）。3 数据为经年龄与性别校正的回归系数及95%置信区间（CI）。4 数据为经年龄、性别及吸烟状况校正的回归系数及95%置信区间（CI）。