Linear regression model for waist circumference, waist-to-hip ratio and body mass index for the study population, according to gender and HAART status.

Linear regression model for waist circumference, waist-to-hip ratio and body mass index for the study population, according to gender and HAART status.针对研究人群的腰围（waist circumference）、腰臀比（waist-to-hip ratio）及体重指数（body mass index），依据性别与高活性抗逆转录病毒治疗（highly active antiretroviral therapy, HAART）状态所构建的线性回归模型。