\begin{tabular}{l*{4}{r @{} l}}
\hline
                         &\multicolumn{8}{c}{\shortstack{Take-up of ``more'' visits contract}}\\
                         &\multicolumn{2}{c}{\shortstack{8+ visits \\ (1)}}&\multicolumn{2}{c}{\shortstack{12+ visits \\ (2)}}&\multicolumn{2}{c}{\shortstack{16+ visits \\ (3)}}&\multicolumn{2}{c}{\shortstack{Pooled \\ (4)}}\\
\hline
Behavior change premium  &       0.035&***&       0.041&***&       0.055&***&       0.044&***\\
(z-score)                &     (0.013)&   &     (0.013)&   &     (0.014)&   &     (0.012)&   \\
\hline
Dep. var. mean:          &        0.62&   &        0.47&   &        0.31&   &        0.47&   \\
                         &      (0.03)&   &      (0.02)&   &      (0.03)&   &      (0.02)&   \\
\hline  Wave FEs         &         Yes&   &         Yes&   &         Yes&   &         Yes&   \\
Contract FEs             &          No&   &          No&   &          No&   &         Yes&   \\
N                        &         246&   &         452&   &         246&   &         944&   \\
Clusters                 &         246&   &         452&   &         246&   &         452&   \\
\hline\hline
\end{tabular}