\centering \def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi} \begin{tabular}{l*{7}{c}} \hline             


&\multicolumn{1}{c}{   }&\multicolumn{1}{c}{}&\multicolumn{1}{c}{}&\multicolumn{1}{c}{Chose ``more''}&\multicolumn{1}{c}{Chose ``fewer''} &\multicolumn{1}{c}{} &\multicolumn{1}{c}{}\\     &\multicolumn{1}{c}{ }&\multicolumn{1}{c}{Chose ``more''}&\multicolumn{1}{c}{Chose ``fewer''}&\multicolumn{1}{c}{given chose} &\multicolumn{1}{c}{given chose} &\multicolumn{1}{c}{} &\multicolumn{1}{c}{}\\             &\multicolumn{1}{c}{}&\multicolumn{1}{c}{contract}&\multicolumn{1}{c}{contract}&\multicolumn{1}{c}{``fewer''}&\multicolumn{1}{c}{``more''} &\multicolumn{1}{c}{Diff}&\multicolumn{1}{c}{Diff} \\ &\multicolumn{1}{c}{Threshold}&\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)} &\multicolumn{1}{c}{(3)-(1)}&\multicolumn{1}{c}{(4)-(2)} \\ \hline \      &      8 visits    &  0.64        &       0.34	&    0.89    &     0.47    &  0.25***  & 0.13***   \\ \      &      12 visits  &  0.49        &       0.31	&    0.67    &     0.43     & 0.18*** & 0.12***   \\ \      &      16 visits  &  0.32        &       0.27	&    0.50    &     0.43    &  0.18*** & 0.15***    \\ [0.5ex] \hline\hline \end{tabular} 

% created with estimates from Tables.do