Growing up in poverty, growing old in frailty: the life course shaping of health in the United States, England and Europe-a prospective and retrospective study.

Not all of them did and there may be significant differences between the analytic vs declined sample, tested using \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${\chi }^{2}$$\end{document} χ 2 for binary variable and t tests for continuous variable (Table 3 ).

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