begin_table_begin_tabular_l__.tex

\begin{table} 
    \begin{tabular}{ l | c c c }
        features used & # latent variables & R\textsuperscript{2} & p value \\
        \toprule
        cortical thicknesses & 2 & 0.024 & 0.0012 \\
        cortical thicknesses \& age & 3 & 0.045 & 0.0003 \\
        tract diffusion metrics & 6 & 0.2 & \textless 1e-4 \\
        tract diffusion metrics \& age & 6 & 0.19 & \textless 1e-4 \\
        thicknesses \& diffusion metrics & 6 & 0.18 & \textless 1e-4 \\
        \bottomrule
    \end{tabular} 
    \caption{\label{tab:PLSmodels} How well cortical and WM features fit the data using the PLS regression model.} 
\end{table}