Tuyển tập các báo cáo nghiên cứu về hóa học được đăng trên tạp chí sinh học đề tài : Using individual growth model to analyze the change in quality of life from adolescence to adulthood | BioMed Central Health and Quality of Life Outcomes Research Open Access Using individual growth model to analyze the change in quality of life from adolescence to adulthood Henian Chen 1 2 3 and Patricia Cohen1 2 3 Address Epidemiology of Mental Disorders New York State Psychiatric Institute New York NY USA 2Department of Psychiatry College of Physicians and Surgeons Columbia University New York NY USA and 3Department of Epidemiology Mailman School of Public Health Columbia University New York NY USA Email Henian Chen - chenhen@ Patricia Cohen - prc2@ Corresponding author Published 21 February 2006 Received 20 October 2005 Health and Quality of Life Outcomes 2006 4 10 doi l477-7525-4-l0 Accepted 21 February 2006 This article is available from http content 4 l 10 2006 Chen and Cohen licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Background The individual growth model is a relatively new statistical technique now widely used to examine the unique trajectories of individuals and groups in repeated measures data. This technique is increasingly used to analyze the changes over time in quality of life QOL data. This study examines the change from adolescence to adulthood in physical health as an aspect of QOL as an illustration of the use of this analytic method. Methods Employing data from the Children in the Community CIC study a prospective longitudinal investigation physical health was assessed at mean ages 16 22 and 33 in 752 persons born between 1965 and 1975. Results The analyses using individual growth models show a linear decline in average physical health from age 10 to age 40. Males reported better physical health and declined less per year on average. .
